06c8afeff5
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/9396 Reviewed By: jay-zhuang Differential Revision: D34529654 Pulled By: pdillinger fbshipit-source-id: cf62152ba86b02f9ffa7780f370ad49089e56a0b
3925 lines
129 KiB
C++
3925 lines
129 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// This file implements the "bridge" between Java and C++ and enables
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// calling c++ ROCKSDB_NAMESPACE::DB methods from Java side.
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#include <jni.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <algorithm>
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#include <functional>
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#include <memory>
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#include <string>
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#include <tuple>
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#include <vector>
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#include "include/org_rocksdb_RocksDB.h"
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#include "rocksdb/cache.h"
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#include "rocksdb/convenience.h"
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#include "rocksdb/db.h"
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#include "rocksdb/options.h"
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#include "rocksdb/types.h"
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#include "rocksdb/version.h"
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#include "rocksjni/cplusplus_to_java_convert.h"
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#include "rocksjni/portal.h"
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#ifdef min
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#undef min
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#endif
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jlong rocksdb_open_helper(JNIEnv* env, jlong jopt_handle, jstring jdb_path,
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std::function<ROCKSDB_NAMESPACE::Status(
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const ROCKSDB_NAMESPACE::Options&,
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const std::string&, ROCKSDB_NAMESPACE::DB**)>
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open_fn) {
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const char* db_path = env->GetStringUTFChars(jdb_path, nullptr);
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if (db_path == nullptr) {
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// exception thrown: OutOfMemoryError
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return 0;
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}
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auto* opt = reinterpret_cast<ROCKSDB_NAMESPACE::Options*>(jopt_handle);
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ROCKSDB_NAMESPACE::DB* db = nullptr;
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ROCKSDB_NAMESPACE::Status s = open_fn(*opt, db_path, &db);
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env->ReleaseStringUTFChars(jdb_path, db_path);
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if (s.ok()) {
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return GET_CPLUSPLUS_POINTER(db);
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} else {
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ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
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return 0;
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}
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: open
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* Signature: (JLjava/lang/String;)J
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*/
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jlong Java_org_rocksdb_RocksDB_open__JLjava_lang_String_2(
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JNIEnv* env, jclass, jlong jopt_handle, jstring jdb_path) {
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return rocksdb_open_helper(env, jopt_handle, jdb_path,
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(ROCKSDB_NAMESPACE::Status(*)(
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const ROCKSDB_NAMESPACE::Options&,
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const std::string&, ROCKSDB_NAMESPACE::DB**)) &
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ROCKSDB_NAMESPACE::DB::Open);
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: openROnly
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* Signature: (JLjava/lang/String;Z)J
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*/
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jlong Java_org_rocksdb_RocksDB_openROnly__JLjava_lang_String_2Z(
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JNIEnv* env, jclass, jlong jopt_handle, jstring jdb_path,
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jboolean jerror_if_wal_file_exists) {
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const bool error_if_wal_file_exists = jerror_if_wal_file_exists == JNI_TRUE;
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return rocksdb_open_helper(
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env, jopt_handle, jdb_path,
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[error_if_wal_file_exists](const ROCKSDB_NAMESPACE::Options& options,
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const std::string& db_path,
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ROCKSDB_NAMESPACE::DB** db) {
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return ROCKSDB_NAMESPACE::DB::OpenForReadOnly(options, db_path, db,
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error_if_wal_file_exists);
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});
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}
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jlongArray rocksdb_open_helper(
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JNIEnv* env, jlong jopt_handle, jstring jdb_path,
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jobjectArray jcolumn_names, jlongArray jcolumn_options,
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std::function<ROCKSDB_NAMESPACE::Status(
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const ROCKSDB_NAMESPACE::DBOptions&, const std::string&,
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const std::vector<ROCKSDB_NAMESPACE::ColumnFamilyDescriptor>&,
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std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>*,
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ROCKSDB_NAMESPACE::DB**)>
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open_fn) {
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const char* db_path = env->GetStringUTFChars(jdb_path, nullptr);
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if (db_path == nullptr) {
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// exception thrown: OutOfMemoryError
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return nullptr;
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}
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const jsize len_cols = env->GetArrayLength(jcolumn_names);
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jlong* jco = env->GetLongArrayElements(jcolumn_options, nullptr);
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if (jco == nullptr) {
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// exception thrown: OutOfMemoryError
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env->ReleaseStringUTFChars(jdb_path, db_path);
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return nullptr;
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}
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std::vector<ROCKSDB_NAMESPACE::ColumnFamilyDescriptor> column_families;
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jboolean has_exception = JNI_FALSE;
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ROCKSDB_NAMESPACE::JniUtil::byteStrings<std::string>(
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env, jcolumn_names,
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[](const char* str_data, const size_t str_len) {
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return std::string(str_data, str_len);
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},
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[&jco, &column_families](size_t idx, std::string cf_name) {
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ROCKSDB_NAMESPACE::ColumnFamilyOptions* cf_options =
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reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyOptions*>(jco[idx]);
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column_families.push_back(
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ROCKSDB_NAMESPACE::ColumnFamilyDescriptor(cf_name, *cf_options));
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},
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&has_exception);
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env->ReleaseLongArrayElements(jcolumn_options, jco, JNI_ABORT);
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if (has_exception == JNI_TRUE) {
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// exception occurred
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env->ReleaseStringUTFChars(jdb_path, db_path);
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return nullptr;
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}
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auto* opt = reinterpret_cast<ROCKSDB_NAMESPACE::DBOptions*>(jopt_handle);
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std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*> cf_handles;
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ROCKSDB_NAMESPACE::DB* db = nullptr;
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ROCKSDB_NAMESPACE::Status s =
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open_fn(*opt, db_path, column_families, &cf_handles, &db);
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// we have now finished with db_path
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env->ReleaseStringUTFChars(jdb_path, db_path);
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// check if open operation was successful
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if (!s.ok()) {
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ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
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return nullptr;
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}
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const jsize resultsLen = 1 + len_cols; // db handle + column family handles
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std::unique_ptr<jlong[]> results =
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std::unique_ptr<jlong[]>(new jlong[resultsLen]);
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results[0] = GET_CPLUSPLUS_POINTER(db);
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for (int i = 1; i <= len_cols; i++) {
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results[i] = GET_CPLUSPLUS_POINTER(cf_handles[i - 1]);
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}
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jlongArray jresults = env->NewLongArray(resultsLen);
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if (jresults == nullptr) {
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// exception thrown: OutOfMemoryError
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return nullptr;
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}
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env->SetLongArrayRegion(jresults, 0, resultsLen, results.get());
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if (env->ExceptionCheck()) {
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// exception thrown: ArrayIndexOutOfBoundsException
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env->DeleteLocalRef(jresults);
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return nullptr;
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}
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return jresults;
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: openROnly
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* Signature: (JLjava/lang/String;[[B[JZ)[J
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*/
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jlongArray Java_org_rocksdb_RocksDB_openROnly__JLjava_lang_String_2_3_3B_3JZ(
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JNIEnv* env, jclass, jlong jopt_handle, jstring jdb_path,
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jobjectArray jcolumn_names, jlongArray jcolumn_options,
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jboolean jerror_if_wal_file_exists) {
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const bool error_if_wal_file_exists = jerror_if_wal_file_exists == JNI_TRUE;
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return rocksdb_open_helper(
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env, jopt_handle, jdb_path, jcolumn_names, jcolumn_options,
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[error_if_wal_file_exists](
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const ROCKSDB_NAMESPACE::DBOptions& options,
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const std::string& db_path,
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const std::vector<ROCKSDB_NAMESPACE::ColumnFamilyDescriptor>&
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column_families,
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std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>* handles,
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ROCKSDB_NAMESPACE::DB** db) {
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return ROCKSDB_NAMESPACE::DB::OpenForReadOnly(
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options, db_path, column_families, handles, db,
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error_if_wal_file_exists);
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});
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: open
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* Signature: (JLjava/lang/String;[[B[J)[J
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*/
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jlongArray Java_org_rocksdb_RocksDB_open__JLjava_lang_String_2_3_3B_3J(
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JNIEnv* env, jclass, jlong jopt_handle, jstring jdb_path,
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jobjectArray jcolumn_names, jlongArray jcolumn_options) {
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return rocksdb_open_helper(
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env, jopt_handle, jdb_path, jcolumn_names, jcolumn_options,
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(ROCKSDB_NAMESPACE::Status(*)(
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const ROCKSDB_NAMESPACE::DBOptions&, const std::string&,
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const std::vector<ROCKSDB_NAMESPACE::ColumnFamilyDescriptor>&,
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std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>*,
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ROCKSDB_NAMESPACE::DB**)) &
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ROCKSDB_NAMESPACE::DB::Open);
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: openAsSecondary
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* Signature: (JLjava/lang/String;Ljava/lang/String;)J
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*/
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jlong Java_org_rocksdb_RocksDB_openAsSecondary__JLjava_lang_String_2Ljava_lang_String_2(
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JNIEnv* env, jclass, jlong jopt_handle, jstring jdb_path,
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jstring jsecondary_db_path) {
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const char* secondary_db_path =
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env->GetStringUTFChars(jsecondary_db_path, nullptr);
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if (secondary_db_path == nullptr) {
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// exception thrown: OutOfMemoryError
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return 0;
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}
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jlong db_handle = rocksdb_open_helper(
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env, jopt_handle, jdb_path,
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[secondary_db_path](const ROCKSDB_NAMESPACE::Options& options,
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const std::string& db_path,
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ROCKSDB_NAMESPACE::DB** db) {
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return ROCKSDB_NAMESPACE::DB::OpenAsSecondary(options, db_path,
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secondary_db_path, db);
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});
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// we have now finished with secondary_db_path
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env->ReleaseStringUTFChars(jsecondary_db_path, secondary_db_path);
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return db_handle;
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: openAsSecondary
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* Signature: (JLjava/lang/String;Ljava/lang/String;[[B[J)[J
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*/
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jlongArray
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Java_org_rocksdb_RocksDB_openAsSecondary__JLjava_lang_String_2Ljava_lang_String_2_3_3B_3J(
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JNIEnv* env, jclass, jlong jopt_handle, jstring jdb_path,
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jstring jsecondary_db_path, jobjectArray jcolumn_names,
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jlongArray jcolumn_options) {
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const char* secondary_db_path =
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env->GetStringUTFChars(jsecondary_db_path, nullptr);
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if (secondary_db_path == nullptr) {
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// exception thrown: OutOfMemoryError
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return nullptr;
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}
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jlongArray jhandles = rocksdb_open_helper(
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env, jopt_handle, jdb_path, jcolumn_names, jcolumn_options,
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[secondary_db_path](
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const ROCKSDB_NAMESPACE::DBOptions& options,
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const std::string& db_path,
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const std::vector<ROCKSDB_NAMESPACE::ColumnFamilyDescriptor>&
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column_families,
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std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>* handles,
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ROCKSDB_NAMESPACE::DB** db) {
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return ROCKSDB_NAMESPACE::DB::OpenAsSecondary(
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options, db_path, secondary_db_path, column_families, handles, db);
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});
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// we have now finished with secondary_db_path
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env->ReleaseStringUTFChars(jsecondary_db_path, secondary_db_path);
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return jhandles;
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: disposeInternal
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* Signature: (J)V
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*/
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void Java_org_rocksdb_RocksDB_disposeInternal(
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JNIEnv*, jobject, jlong jhandle) {
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auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jhandle);
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assert(db != nullptr);
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delete db;
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: closeDatabase
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* Signature: (J)V
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*/
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void Java_org_rocksdb_RocksDB_closeDatabase(
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JNIEnv* env, jclass, jlong jhandle) {
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auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jhandle);
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assert(db != nullptr);
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ROCKSDB_NAMESPACE::Status s = db->Close();
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ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: listColumnFamilies
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* Signature: (JLjava/lang/String;)[[B
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*/
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jobjectArray Java_org_rocksdb_RocksDB_listColumnFamilies(
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JNIEnv* env, jclass, jlong jopt_handle, jstring jdb_path) {
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std::vector<std::string> column_family_names;
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const char* db_path = env->GetStringUTFChars(jdb_path, nullptr);
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if (db_path == nullptr) {
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// exception thrown: OutOfMemoryError
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return nullptr;
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}
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auto* opt = reinterpret_cast<ROCKSDB_NAMESPACE::Options*>(jopt_handle);
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ROCKSDB_NAMESPACE::Status s = ROCKSDB_NAMESPACE::DB::ListColumnFamilies(
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*opt, db_path, &column_family_names);
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env->ReleaseStringUTFChars(jdb_path, db_path);
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jobjectArray jcolumn_family_names =
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ROCKSDB_NAMESPACE::JniUtil::stringsBytes(env, column_family_names);
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return jcolumn_family_names;
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: createColumnFamily
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* Signature: (J[BIJ)J
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*/
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jlong Java_org_rocksdb_RocksDB_createColumnFamily(
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JNIEnv* env, jobject, jlong jhandle, jbyteArray jcf_name,
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jint jcf_name_len, jlong jcf_options_handle) {
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auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jhandle);
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jboolean has_exception = JNI_FALSE;
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const std::string cf_name =
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ROCKSDB_NAMESPACE::JniUtil::byteString<std::string>(
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env, jcf_name, jcf_name_len,
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[](const char* str, const size_t len) {
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return std::string(str, len);
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},
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&has_exception);
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if (has_exception == JNI_TRUE) {
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// exception occurred
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return 0;
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}
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auto* cf_options = reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyOptions*>(
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jcf_options_handle);
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ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
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ROCKSDB_NAMESPACE::Status s =
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db->CreateColumnFamily(*cf_options, cf_name, &cf_handle);
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if (!s.ok()) {
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// error occurred
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ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
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return 0;
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}
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return GET_CPLUSPLUS_POINTER(cf_handle);
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: createColumnFamilies
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* Signature: (JJ[[B)[J
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*/
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jlongArray Java_org_rocksdb_RocksDB_createColumnFamilies__JJ_3_3B(
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JNIEnv* env, jobject, jlong jhandle, jlong jcf_options_handle,
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jobjectArray jcf_names) {
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auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jhandle);
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auto* cf_options = reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyOptions*>(
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jcf_options_handle);
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jboolean has_exception = JNI_FALSE;
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std::vector<std::string> cf_names;
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ROCKSDB_NAMESPACE::JniUtil::byteStrings<std::string>(
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env, jcf_names,
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[](const char* str, const size_t len) { return std::string(str, len); },
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[&cf_names](const size_t, std::string str) { cf_names.push_back(str); },
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&has_exception);
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if (has_exception == JNI_TRUE) {
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// exception occurred
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return nullptr;
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}
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std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*> cf_handles;
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ROCKSDB_NAMESPACE::Status s =
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db->CreateColumnFamilies(*cf_options, cf_names, &cf_handles);
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if (!s.ok()) {
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// error occurred
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ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
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return nullptr;
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}
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jlongArray jcf_handles = ROCKSDB_NAMESPACE::JniUtil::toJPointers<
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ROCKSDB_NAMESPACE::ColumnFamilyHandle>(env, cf_handles, &has_exception);
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if (has_exception == JNI_TRUE) {
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// exception occurred
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return nullptr;
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}
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return jcf_handles;
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: createColumnFamilies
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* Signature: (J[J[[B)[J
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*/
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jlongArray Java_org_rocksdb_RocksDB_createColumnFamilies__J_3J_3_3B(
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JNIEnv* env, jobject, jlong jhandle, jlongArray jcf_options_handles,
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jobjectArray jcf_names) {
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auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jhandle);
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const jsize jlen = env->GetArrayLength(jcf_options_handles);
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std::vector<ROCKSDB_NAMESPACE::ColumnFamilyDescriptor> cf_descriptors;
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cf_descriptors.reserve(jlen);
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jlong* jcf_options_handles_elems =
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env->GetLongArrayElements(jcf_options_handles, nullptr);
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if(jcf_options_handles_elems == nullptr) {
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// exception thrown: OutOfMemoryError
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return nullptr;
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}
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// extract the column family descriptors
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jboolean has_exception = JNI_FALSE;
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for (jsize i = 0; i < jlen; i++) {
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auto* cf_options =
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reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyOptions*>(
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jcf_options_handles_elems[i]);
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jbyteArray jcf_name = static_cast<jbyteArray>(
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env->GetObjectArrayElement(jcf_names, i));
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if (env->ExceptionCheck()) {
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// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->ReleaseLongArrayElements(jcf_options_handles, jcf_options_handles_elems, JNI_ABORT);
|
|
return nullptr;
|
|
}
|
|
const std::string cf_name =
|
|
ROCKSDB_NAMESPACE::JniUtil::byteString<std::string>(
|
|
env, jcf_name,
|
|
[](const char* str, const size_t len) {
|
|
return std::string(str, len);
|
|
},
|
|
&has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
env->DeleteLocalRef(jcf_name);
|
|
env->ReleaseLongArrayElements(jcf_options_handles, jcf_options_handles_elems, JNI_ABORT);
|
|
return nullptr;
|
|
}
|
|
|
|
cf_descriptors.push_back(
|
|
ROCKSDB_NAMESPACE::ColumnFamilyDescriptor(cf_name, *cf_options));
|
|
|
|
env->DeleteLocalRef(jcf_name);
|
|
}
|
|
|
|
std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*> cf_handles;
|
|
ROCKSDB_NAMESPACE::Status s =
|
|
db->CreateColumnFamilies(cf_descriptors, &cf_handles);
|
|
|
|
env->ReleaseLongArrayElements(jcf_options_handles, jcf_options_handles_elems, JNI_ABORT);
|
|
|
|
if (!s.ok()) {
|
|
// error occurred
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return nullptr;
|
|
}
|
|
|
|
jlongArray jcf_handles = ROCKSDB_NAMESPACE::JniUtil::toJPointers<
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle>(env, cf_handles, &has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
return nullptr;
|
|
}
|
|
return jcf_handles;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: dropColumnFamily
|
|
* Signature: (JJ)V;
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_dropColumnFamily(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jlong jcf_handle) {
|
|
auto* db_handle = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
ROCKSDB_NAMESPACE::Status s = db_handle->DropColumnFamily(cf_handle);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: dropColumnFamilies
|
|
* Signature: (J[J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_dropColumnFamilies(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jlongArray jcolumn_family_handles) {
|
|
auto* db_handle = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
|
|
std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*> cf_handles;
|
|
if (jcolumn_family_handles != nullptr) {
|
|
const jsize len_cols = env->GetArrayLength(jcolumn_family_handles);
|
|
|
|
jlong* jcfh = env->GetLongArrayElements(jcolumn_family_handles, nullptr);
|
|
if (jcfh == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return;
|
|
}
|
|
|
|
for (jsize i = 0; i < len_cols; i++) {
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcfh[i]);
|
|
cf_handles.push_back(cf_handle);
|
|
}
|
|
env->ReleaseLongArrayElements(jcolumn_family_handles, jcfh, JNI_ABORT);
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::Status s = db_handle->DropColumnFamilies(cf_handles);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// ROCKSDB_NAMESPACE::DB::Put
|
|
|
|
/**
|
|
* @return true if the put succeeded, false if a Java Exception was thrown
|
|
*/
|
|
bool rocksdb_put_helper(JNIEnv* env, ROCKSDB_NAMESPACE::DB* db,
|
|
const ROCKSDB_NAMESPACE::WriteOptions& write_options,
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len) {
|
|
jbyte* key = new jbyte[jkey_len];
|
|
env->GetByteArrayRegion(jkey, jkey_off, jkey_len, key);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
delete[] key;
|
|
return false;
|
|
}
|
|
|
|
jbyte* value = new jbyte[jval_len];
|
|
env->GetByteArrayRegion(jval, jval_off, jval_len, value);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
delete[] value;
|
|
delete[] key;
|
|
return false;
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key), jkey_len);
|
|
ROCKSDB_NAMESPACE::Slice value_slice(reinterpret_cast<char*>(value),
|
|
jval_len);
|
|
|
|
ROCKSDB_NAMESPACE::Status s;
|
|
if (cf_handle != nullptr) {
|
|
s = db->Put(write_options, cf_handle, key_slice, value_slice);
|
|
} else {
|
|
// backwards compatibility
|
|
s = db->Put(write_options, key_slice, value_slice);
|
|
}
|
|
|
|
// cleanup
|
|
delete[] value;
|
|
delete[] key;
|
|
|
|
if (s.ok()) {
|
|
return true;
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: put
|
|
* Signature: (J[BII[BII)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_put__J_3BII_3BII(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
static const ROCKSDB_NAMESPACE::WriteOptions default_write_options =
|
|
ROCKSDB_NAMESPACE::WriteOptions();
|
|
rocksdb_put_helper(env, db, default_write_options, nullptr, jkey, jkey_off,
|
|
jkey_len, jval, jval_off, jval_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: put
|
|
* Signature: (J[BII[BIIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_put__J_3BII_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len,
|
|
jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
static const ROCKSDB_NAMESPACE::WriteOptions default_write_options =
|
|
ROCKSDB_NAMESPACE::WriteOptions();
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_put_helper(env, db, default_write_options, cf_handle, jkey,
|
|
jkey_off, jkey_len, jval, jval_off, jval_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: put
|
|
* Signature: (JJ[BII[BII)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_put__JJ_3BII_3BII(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jlong jwrite_options_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options_handle);
|
|
rocksdb_put_helper(env, db, *write_options, nullptr, jkey, jkey_off, jkey_len,
|
|
jval, jval_off, jval_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: put
|
|
* Signature: (JJ[BII[BIIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_put__JJ_3BII_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jwrite_options_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len,
|
|
jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options_handle);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_put_helper(env, db, *write_options, cf_handle, jkey, jkey_off,
|
|
jkey_len, jval, jval_off, jval_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: putDirect
|
|
* Signature: (JJLjava/nio/ByteBuffer;IILjava/nio/ByteBuffer;IIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_putDirect(
|
|
JNIEnv* env, jobject /*jdb*/, jlong jdb_handle, jlong jwrite_options_handle,
|
|
jobject jkey, jint jkey_off, jint jkey_len, jobject jval, jint jval_off,
|
|
jint jval_len, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options_handle);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
auto put = [&env, &db, &cf_handle, &write_options](
|
|
ROCKSDB_NAMESPACE::Slice& key,
|
|
ROCKSDB_NAMESPACE::Slice& value) {
|
|
ROCKSDB_NAMESPACE::Status s;
|
|
if (cf_handle == nullptr) {
|
|
s = db->Put(*write_options, key, value);
|
|
} else {
|
|
s = db->Put(*write_options, cf_handle, key, value);
|
|
}
|
|
if (s.ok()) {
|
|
return;
|
|
}
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
};
|
|
ROCKSDB_NAMESPACE::JniUtil::kv_op_direct(put, env, jkey, jkey_off, jkey_len,
|
|
jval, jval_off, jval_len);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// ROCKSDB_NAMESPACE::DB::Delete()
|
|
|
|
/**
|
|
* @return true if the delete succeeded, false if a Java Exception was thrown
|
|
*/
|
|
bool rocksdb_delete_helper(JNIEnv* env, ROCKSDB_NAMESPACE::DB* db,
|
|
const ROCKSDB_NAMESPACE::WriteOptions& write_options,
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len) {
|
|
jbyte* key = new jbyte[jkey_len];
|
|
env->GetByteArrayRegion(jkey, jkey_off, jkey_len, key);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
delete[] key;
|
|
return false;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key), jkey_len);
|
|
|
|
ROCKSDB_NAMESPACE::Status s;
|
|
if (cf_handle != nullptr) {
|
|
s = db->Delete(write_options, cf_handle, key_slice);
|
|
} else {
|
|
// backwards compatibility
|
|
s = db->Delete(write_options, key_slice);
|
|
}
|
|
|
|
// cleanup
|
|
delete[] key;
|
|
|
|
if (s.ok()) {
|
|
return true;
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: delete
|
|
* Signature: (J[BII)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_delete__J_3BII(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
static const ROCKSDB_NAMESPACE::WriteOptions default_write_options =
|
|
ROCKSDB_NAMESPACE::WriteOptions();
|
|
rocksdb_delete_helper(env, db, default_write_options, nullptr, jkey, jkey_off,
|
|
jkey_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: delete
|
|
* Signature: (J[BIIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_delete__J_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
static const ROCKSDB_NAMESPACE::WriteOptions default_write_options =
|
|
ROCKSDB_NAMESPACE::WriteOptions();
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_delete_helper(env, db, default_write_options, cf_handle, jkey,
|
|
jkey_off, jkey_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: delete
|
|
* Signature: (JJ[BII)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_delete__JJ_3BII(
|
|
JNIEnv* env, jobject,
|
|
jlong jdb_handle,
|
|
jlong jwrite_options,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options);
|
|
rocksdb_delete_helper(env, db, *write_options, nullptr, jkey, jkey_off,
|
|
jkey_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: delete
|
|
* Signature: (JJ[BIIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_delete__JJ_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jwrite_options,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_delete_helper(env, db, *write_options, cf_handle, jkey, jkey_off,
|
|
jkey_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// ROCKSDB_NAMESPACE::DB::SingleDelete()
|
|
/**
|
|
* @return true if the single delete succeeded, false if a Java Exception
|
|
* was thrown
|
|
*/
|
|
bool rocksdb_single_delete_helper(
|
|
JNIEnv* env, ROCKSDB_NAMESPACE::DB* db,
|
|
const ROCKSDB_NAMESPACE::WriteOptions& write_options,
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle, jbyteArray jkey,
|
|
jint jkey_len) {
|
|
jbyte* key = env->GetByteArrayElements(jkey, nullptr);
|
|
if (key == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return false;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key), jkey_len);
|
|
|
|
ROCKSDB_NAMESPACE::Status s;
|
|
if (cf_handle != nullptr) {
|
|
s = db->SingleDelete(write_options, cf_handle, key_slice);
|
|
} else {
|
|
// backwards compatibility
|
|
s = db->SingleDelete(write_options, key_slice);
|
|
}
|
|
|
|
// trigger java unref on key and value.
|
|
// by passing JNI_ABORT, it will simply release the reference without
|
|
// copying the result back to the java byte array.
|
|
env->ReleaseByteArrayElements(jkey, key, JNI_ABORT);
|
|
|
|
if (s.ok()) {
|
|
return true;
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: singleDelete
|
|
* Signature: (J[BI)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_singleDelete__J_3BI(
|
|
JNIEnv* env, jobject,
|
|
jlong jdb_handle,
|
|
jbyteArray jkey,
|
|
jint jkey_len) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
static const ROCKSDB_NAMESPACE::WriteOptions default_write_options =
|
|
ROCKSDB_NAMESPACE::WriteOptions();
|
|
rocksdb_single_delete_helper(env, db, default_write_options, nullptr,
|
|
jkey, jkey_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: singleDelete
|
|
* Signature: (J[BIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_singleDelete__J_3BIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_len, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
static const ROCKSDB_NAMESPACE::WriteOptions default_write_options =
|
|
ROCKSDB_NAMESPACE::WriteOptions();
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_single_delete_helper(env, db, default_write_options, cf_handle,
|
|
jkey, jkey_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: singleDelete
|
|
* Signature: (JJ[BIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_singleDelete__JJ_3BI(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jlong jwrite_options,
|
|
jbyteArray jkey,
|
|
jint jkey_len) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options);
|
|
rocksdb_single_delete_helper(env, db, *write_options, nullptr, jkey,
|
|
jkey_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: singleDelete
|
|
* Signature: (JJ[BIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_singleDelete__JJ_3BIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jwrite_options,
|
|
jbyteArray jkey, jint jkey_len, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_single_delete_helper(env, db, *write_options, cf_handle, jkey,
|
|
jkey_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// ROCKSDB_NAMESPACE::DB::DeleteRange()
|
|
/**
|
|
* @return true if the delete range succeeded, false if a Java Exception
|
|
* was thrown
|
|
*/
|
|
bool rocksdb_delete_range_helper(
|
|
JNIEnv* env, ROCKSDB_NAMESPACE::DB* db,
|
|
const ROCKSDB_NAMESPACE::WriteOptions& write_options,
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle, jbyteArray jbegin_key,
|
|
jint jbegin_key_off, jint jbegin_key_len, jbyteArray jend_key,
|
|
jint jend_key_off, jint jend_key_len) {
|
|
jbyte* begin_key = new jbyte[jbegin_key_len];
|
|
env->GetByteArrayRegion(jbegin_key, jbegin_key_off, jbegin_key_len,
|
|
begin_key);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
delete[] begin_key;
|
|
return false;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice begin_key_slice(reinterpret_cast<char*>(begin_key),
|
|
jbegin_key_len);
|
|
|
|
jbyte* end_key = new jbyte[jend_key_len];
|
|
env->GetByteArrayRegion(jend_key, jend_key_off, jend_key_len, end_key);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
delete[] begin_key;
|
|
delete[] end_key;
|
|
return false;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice end_key_slice(reinterpret_cast<char*>(end_key),
|
|
jend_key_len);
|
|
|
|
ROCKSDB_NAMESPACE::Status s =
|
|
db->DeleteRange(write_options, cf_handle, begin_key_slice, end_key_slice);
|
|
|
|
// cleanup
|
|
delete[] begin_key;
|
|
delete[] end_key;
|
|
|
|
if (s.ok()) {
|
|
return true;
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: deleteRange
|
|
* Signature: (J[BII[BII)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_deleteRange__J_3BII_3BII(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jbegin_key, jint jbegin_key_off, jint jbegin_key_len,
|
|
jbyteArray jend_key, jint jend_key_off, jint jend_key_len) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
static const ROCKSDB_NAMESPACE::WriteOptions default_write_options =
|
|
ROCKSDB_NAMESPACE::WriteOptions();
|
|
rocksdb_delete_range_helper(env, db, default_write_options, nullptr,
|
|
jbegin_key, jbegin_key_off, jbegin_key_len,
|
|
jend_key, jend_key_off, jend_key_len);
|
|
}
|
|
|
|
jint rocksdb_get_helper_direct(
|
|
JNIEnv* env, ROCKSDB_NAMESPACE::DB* db,
|
|
const ROCKSDB_NAMESPACE::ReadOptions& read_options,
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* column_family_handle, jobject jkey,
|
|
jint jkey_off, jint jkey_len, jobject jval, jint jval_off, jint jval_len,
|
|
bool* has_exception) {
|
|
static const int kNotFound = -1;
|
|
static const int kStatusError = -2;
|
|
static const int kArgumentError = -3;
|
|
|
|
char* key = reinterpret_cast<char*>(env->GetDirectBufferAddress(jkey));
|
|
if (key == nullptr) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env,
|
|
"Invalid key argument (argument is not a valid direct ByteBuffer)");
|
|
*has_exception = true;
|
|
return kArgumentError;
|
|
}
|
|
if (env->GetDirectBufferCapacity(jkey) < (jkey_off + jkey_len)) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env,
|
|
"Invalid key argument. Capacity is less than requested region (offset "
|
|
"+ length).");
|
|
*has_exception = true;
|
|
return kArgumentError;
|
|
}
|
|
|
|
char* value = reinterpret_cast<char*>(env->GetDirectBufferAddress(jval));
|
|
if (value == nullptr) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env,
|
|
"Invalid value argument (argument is not a valid direct ByteBuffer)");
|
|
*has_exception = true;
|
|
return kArgumentError;
|
|
}
|
|
|
|
if (env->GetDirectBufferCapacity(jval) < (jval_off + jval_len)) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env,
|
|
"Invalid value argument. Capacity is less than requested region "
|
|
"(offset + length).");
|
|
*has_exception = true;
|
|
return kArgumentError;
|
|
}
|
|
|
|
key += jkey_off;
|
|
value += jval_off;
|
|
|
|
ROCKSDB_NAMESPACE::Slice key_slice(key, jkey_len);
|
|
|
|
// TODO(yhchiang): we might save one memory allocation here by adding
|
|
// a DB::Get() function which takes preallocated jbyte* as input.
|
|
std::string cvalue;
|
|
ROCKSDB_NAMESPACE::Status s;
|
|
if (column_family_handle != nullptr) {
|
|
s = db->Get(read_options, column_family_handle, key_slice, &cvalue);
|
|
} else {
|
|
// backwards compatibility
|
|
s = db->Get(read_options, key_slice, &cvalue);
|
|
}
|
|
|
|
if (s.IsNotFound()) {
|
|
*has_exception = false;
|
|
return kNotFound;
|
|
} else if (!s.ok()) {
|
|
*has_exception = true;
|
|
// Here since we are throwing a Java exception from c++ side.
|
|
// As a result, c++ does not know calling this function will in fact
|
|
// throwing an exception. As a result, the execution flow will
|
|
// not stop here, and codes after this throw will still be
|
|
// executed.
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
|
|
// Return a dummy const value to avoid compilation error, although
|
|
// java side might not have a chance to get the return value :)
|
|
return kStatusError;
|
|
}
|
|
|
|
const jint cvalue_len = static_cast<jint>(cvalue.size());
|
|
const jint length = std::min(jval_len, cvalue_len);
|
|
|
|
memcpy(value, cvalue.c_str(), length);
|
|
|
|
*has_exception = false;
|
|
return cvalue_len;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: deleteRange
|
|
* Signature: (J[BII[BIIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_deleteRange__J_3BII_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jbegin_key, jint jbegin_key_off, jint jbegin_key_len,
|
|
jbyteArray jend_key, jint jend_key_off, jint jend_key_len,
|
|
jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
static const ROCKSDB_NAMESPACE::WriteOptions default_write_options =
|
|
ROCKSDB_NAMESPACE::WriteOptions();
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_delete_range_helper(env, db, default_write_options, cf_handle,
|
|
jbegin_key, jbegin_key_off, jbegin_key_len,
|
|
jend_key, jend_key_off, jend_key_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: deleteRange
|
|
* Signature: (JJ[BII[BII)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_deleteRange__JJ_3BII_3BII(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jwrite_options,
|
|
jbyteArray jbegin_key, jint jbegin_key_off, jint jbegin_key_len,
|
|
jbyteArray jend_key, jint jend_key_off, jint jend_key_len) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options);
|
|
rocksdb_delete_range_helper(env, db, *write_options, nullptr, jbegin_key,
|
|
jbegin_key_off, jbegin_key_len, jend_key,
|
|
jend_key_off, jend_key_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: deleteRange
|
|
* Signature: (JJ[BII[BIIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_deleteRange__JJ_3BII_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jwrite_options,
|
|
jbyteArray jbegin_key, jint jbegin_key_off, jint jbegin_key_len,
|
|
jbyteArray jend_key, jint jend_key_off, jint jend_key_len,
|
|
jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_delete_range_helper(env, db, *write_options, cf_handle,
|
|
jbegin_key, jbegin_key_off, jbegin_key_len,
|
|
jend_key, jend_key_off, jend_key_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getDirect
|
|
* Signature: (JJLjava/nio/ByteBuffer;IILjava/nio/ByteBuffer;IIJ)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_getDirect(JNIEnv* env, jobject /*jdb*/,
|
|
jlong jdb_handle, jlong jropt_handle,
|
|
jobject jkey, jint jkey_off,
|
|
jint jkey_len, jobject jval,
|
|
jint jval_off, jint jval_len,
|
|
jlong jcf_handle) {
|
|
auto* db_handle = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* ro_opt =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jropt_handle);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
bool has_exception = false;
|
|
return rocksdb_get_helper_direct(
|
|
env, db_handle,
|
|
ro_opt == nullptr ? ROCKSDB_NAMESPACE::ReadOptions() : *ro_opt, cf_handle,
|
|
jkey, jkey_off, jkey_len, jval, jval_off, jval_len, &has_exception);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// ROCKSDB_NAMESPACE::DB::Merge
|
|
|
|
/**
|
|
* @return true if the merge succeeded, false if a Java Exception was thrown
|
|
*/
|
|
bool rocksdb_merge_helper(JNIEnv* env, ROCKSDB_NAMESPACE::DB* db,
|
|
const ROCKSDB_NAMESPACE::WriteOptions& write_options,
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len) {
|
|
jbyte* key = new jbyte[jkey_len];
|
|
env->GetByteArrayRegion(jkey, jkey_off, jkey_len, key);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
delete[] key;
|
|
return false;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key), jkey_len);
|
|
|
|
jbyte* value = new jbyte[jval_len];
|
|
env->GetByteArrayRegion(jval, jval_off, jval_len, value);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
delete[] value;
|
|
delete[] key;
|
|
return false;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice value_slice(reinterpret_cast<char*>(value),
|
|
jval_len);
|
|
|
|
ROCKSDB_NAMESPACE::Status s;
|
|
if (cf_handle != nullptr) {
|
|
s = db->Merge(write_options, cf_handle, key_slice, value_slice);
|
|
} else {
|
|
s = db->Merge(write_options, key_slice, value_slice);
|
|
}
|
|
|
|
// cleanup
|
|
delete[] value;
|
|
delete[] key;
|
|
|
|
if (s.ok()) {
|
|
return true;
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: merge
|
|
* Signature: (J[BII[BII)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_merge__J_3BII_3BII(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
static const ROCKSDB_NAMESPACE::WriteOptions default_write_options =
|
|
ROCKSDB_NAMESPACE::WriteOptions();
|
|
rocksdb_merge_helper(env, db, default_write_options, nullptr, jkey, jkey_off,
|
|
jkey_len, jval, jval_off, jval_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: merge
|
|
* Signature: (J[BII[BIIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_merge__J_3BII_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len,
|
|
jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
static const ROCKSDB_NAMESPACE::WriteOptions default_write_options =
|
|
ROCKSDB_NAMESPACE::WriteOptions();
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_merge_helper(env, db, default_write_options, cf_handle, jkey,
|
|
jkey_off, jkey_len, jval, jval_off, jval_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: merge
|
|
* Signature: (JJ[BII[BII)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_merge__JJ_3BII_3BII(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jwrite_options_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options_handle);
|
|
rocksdb_merge_helper(env, db, *write_options, nullptr, jkey, jkey_off,
|
|
jkey_len, jval, jval_off, jval_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: merge
|
|
* Signature: (JJ[BII[BIIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_merge__JJ_3BII_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jwrite_options_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options_handle);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_merge_helper(env, db, *write_options, cf_handle, jkey, jkey_off,
|
|
jkey_len, jval, jval_off, jval_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
jlong rocksdb_iterator_helper(
|
|
ROCKSDB_NAMESPACE::DB* db, ROCKSDB_NAMESPACE::ReadOptions read_options,
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle) {
|
|
ROCKSDB_NAMESPACE::Iterator* iterator = nullptr;
|
|
if (cf_handle != nullptr) {
|
|
iterator = db->NewIterator(read_options, cf_handle);
|
|
} else {
|
|
iterator = db->NewIterator(read_options);
|
|
}
|
|
return GET_CPLUSPLUS_POINTER(iterator);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: deleteDirect
|
|
* Signature: (JJLjava/nio/ByteBuffer;IIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_deleteDirect(JNIEnv* env, jobject /*jdb*/,
|
|
jlong jdb_handle,
|
|
jlong jwrite_options, jobject jkey,
|
|
jint jkey_offset, jint jkey_len,
|
|
jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
auto remove = [&env, &db, &write_options,
|
|
&cf_handle](ROCKSDB_NAMESPACE::Slice& key) {
|
|
ROCKSDB_NAMESPACE::Status s;
|
|
if (cf_handle == nullptr) {
|
|
s = db->Delete(*write_options, key);
|
|
} else {
|
|
s = db->Delete(*write_options, cf_handle, key);
|
|
}
|
|
if (s.ok()) {
|
|
return;
|
|
}
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
};
|
|
ROCKSDB_NAMESPACE::JniUtil::k_op_direct(remove, env, jkey, jkey_offset,
|
|
jkey_len);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// ROCKSDB_NAMESPACE::DB::Write
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: write0
|
|
* Signature: (JJJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_write0(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jlong jwrite_options_handle, jlong jwb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options_handle);
|
|
auto* wb = reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatch*>(jwb_handle);
|
|
|
|
ROCKSDB_NAMESPACE::Status s = db->Write(*write_options, wb);
|
|
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: write1
|
|
* Signature: (JJJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_write1(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jlong jwrite_options_handle, jlong jwbwi_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* write_options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteOptions*>(jwrite_options_handle);
|
|
auto* wbwi =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::WriteBatchWithIndex*>(jwbwi_handle);
|
|
auto* wb = wbwi->GetWriteBatch();
|
|
|
|
ROCKSDB_NAMESPACE::Status s = db->Write(*write_options, wb);
|
|
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// ROCKSDB_NAMESPACE::DB::Get
|
|
|
|
jbyteArray rocksdb_get_helper(
|
|
JNIEnv* env, ROCKSDB_NAMESPACE::DB* db,
|
|
const ROCKSDB_NAMESPACE::ReadOptions& read_opt,
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* column_family_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len) {
|
|
jbyte* key = new jbyte[jkey_len];
|
|
env->GetByteArrayRegion(jkey, jkey_off, jkey_len, key);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
delete[] key;
|
|
return nullptr;
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key), jkey_len);
|
|
|
|
std::string value;
|
|
ROCKSDB_NAMESPACE::Status s;
|
|
if (column_family_handle != nullptr) {
|
|
s = db->Get(read_opt, column_family_handle, key_slice, &value);
|
|
} else {
|
|
// backwards compatibility
|
|
s = db->Get(read_opt, key_slice, &value);
|
|
}
|
|
|
|
// cleanup
|
|
delete[] key;
|
|
|
|
if (s.IsNotFound()) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (s.ok()) {
|
|
jbyteArray jret_value = ROCKSDB_NAMESPACE::JniUtil::copyBytes(env, value);
|
|
if (jret_value == nullptr) {
|
|
// exception occurred
|
|
return nullptr;
|
|
}
|
|
return jret_value;
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return nullptr;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (J[BII)[B
|
|
*/
|
|
jbyteArray Java_org_rocksdb_RocksDB_get__J_3BII(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len) {
|
|
return rocksdb_get_helper(
|
|
env, reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle),
|
|
ROCKSDB_NAMESPACE::ReadOptions(), nullptr, jkey, jkey_off, jkey_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (J[BIIJ)[B
|
|
*/
|
|
jbyteArray Java_org_rocksdb_RocksDB_get__J_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len, jlong jcf_handle) {
|
|
auto db_handle = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
return rocksdb_get_helper(env, db_handle, ROCKSDB_NAMESPACE::ReadOptions(),
|
|
cf_handle, jkey, jkey_off, jkey_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (JJ[BII)[B
|
|
*/
|
|
jbyteArray Java_org_rocksdb_RocksDB_get__JJ_3BII(
|
|
JNIEnv* env, jobject,
|
|
jlong jdb_handle, jlong jropt_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len) {
|
|
return rocksdb_get_helper(
|
|
env, reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle),
|
|
*reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jropt_handle), nullptr,
|
|
jkey, jkey_off, jkey_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (JJ[BIIJ)[B
|
|
*/
|
|
jbyteArray Java_org_rocksdb_RocksDB_get__JJ_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jropt_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len, jlong jcf_handle) {
|
|
auto* db_handle = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto& ro_opt =
|
|
*reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jropt_handle);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
return rocksdb_get_helper(
|
|
env, db_handle, ro_opt, cf_handle, jkey, jkey_off, jkey_len);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
jint rocksdb_get_helper(
|
|
JNIEnv* env, ROCKSDB_NAMESPACE::DB* db,
|
|
const ROCKSDB_NAMESPACE::ReadOptions& read_options,
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* column_family_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len, jbyteArray jval,
|
|
jint jval_off, jint jval_len, bool* has_exception) {
|
|
static const int kNotFound = -1;
|
|
static const int kStatusError = -2;
|
|
|
|
jbyte* key = new jbyte[jkey_len];
|
|
env->GetByteArrayRegion(jkey, jkey_off, jkey_len, key);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: OutOfMemoryError
|
|
delete[] key;
|
|
*has_exception = true;
|
|
return kStatusError;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key), jkey_len);
|
|
|
|
// TODO(yhchiang): we might save one memory allocation here by adding
|
|
// a DB::Get() function which takes preallocated jbyte* as input.
|
|
std::string cvalue;
|
|
ROCKSDB_NAMESPACE::Status s;
|
|
if (column_family_handle != nullptr) {
|
|
s = db->Get(read_options, column_family_handle, key_slice, &cvalue);
|
|
} else {
|
|
// backwards compatibility
|
|
s = db->Get(read_options, key_slice, &cvalue);
|
|
}
|
|
|
|
// cleanup
|
|
delete[] key;
|
|
|
|
if (s.IsNotFound()) {
|
|
*has_exception = false;
|
|
return kNotFound;
|
|
} else if (!s.ok()) {
|
|
*has_exception = true;
|
|
// Here since we are throwing a Java exception from c++ side.
|
|
// As a result, c++ does not know calling this function will in fact
|
|
// throwing an exception. As a result, the execution flow will
|
|
// not stop here, and codes after this throw will still be
|
|
// executed.
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
|
|
// Return a dummy const value to avoid compilation error, although
|
|
// java side might not have a chance to get the return value :)
|
|
return kStatusError;
|
|
}
|
|
|
|
const jint cvalue_len = static_cast<jint>(cvalue.size());
|
|
const jint length = std::min(jval_len, cvalue_len);
|
|
|
|
env->SetByteArrayRegion(
|
|
jval, jval_off, length,
|
|
const_cast<jbyte*>(reinterpret_cast<const jbyte*>(cvalue.c_str())));
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: OutOfMemoryError
|
|
*has_exception = true;
|
|
return kStatusError;
|
|
}
|
|
|
|
*has_exception = false;
|
|
return cvalue_len;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (J[BII[BII)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_get__J_3BII_3BII(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len) {
|
|
bool has_exception = false;
|
|
return rocksdb_get_helper(
|
|
env, reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle),
|
|
ROCKSDB_NAMESPACE::ReadOptions(), nullptr, jkey, jkey_off, jkey_len, jval,
|
|
jval_off, jval_len, &has_exception);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (J[BII[BIIJ)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_get__J_3BII_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len,
|
|
jlong jcf_handle) {
|
|
auto* db_handle = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
bool has_exception = false;
|
|
return rocksdb_get_helper(env, db_handle, ROCKSDB_NAMESPACE::ReadOptions(),
|
|
cf_handle, jkey, jkey_off, jkey_len, jval,
|
|
jval_off, jval_len, &has_exception);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
// will never be evaluated
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (JJ[BII[BII)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_get__JJ_3BII_3BII(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jropt_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len) {
|
|
bool has_exception = false;
|
|
return rocksdb_get_helper(
|
|
env, reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle),
|
|
*reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jropt_handle), nullptr,
|
|
jkey, jkey_off, jkey_len, jval, jval_off, jval_len, &has_exception);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (JJ[BII[BIIJ)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_get__JJ_3BII_3BIIJ(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jropt_handle,
|
|
jbyteArray jkey, jint jkey_off, jint jkey_len,
|
|
jbyteArray jval, jint jval_off, jint jval_len,
|
|
jlong jcf_handle) {
|
|
auto* db_handle = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto& ro_opt =
|
|
*reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jropt_handle);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
bool has_exception = false;
|
|
return rocksdb_get_helper(env, db_handle, ro_opt, cf_handle,
|
|
jkey, jkey_off, jkey_len,
|
|
jval, jval_off, jval_len,
|
|
&has_exception);
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument(
|
|
"Invalid ColumnFamilyHandle."));
|
|
// will never be evaluated
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
inline void multi_get_helper_release_keys(std::vector<jbyte*>& keys_to_free) {
|
|
auto end = keys_to_free.end();
|
|
for (auto it = keys_to_free.begin(); it != end; ++it) {
|
|
delete[] * it;
|
|
}
|
|
keys_to_free.clear();
|
|
}
|
|
|
|
/**
|
|
* @brief fill a native array of cf handles from java handles
|
|
*
|
|
* @param env
|
|
* @param cf_handles to fill from the java variants
|
|
* @param jcolumn_family_handles
|
|
* @return true if the copy succeeds
|
|
* @return false if a JNI exception is generated
|
|
*/
|
|
inline bool cf_handles_from_jcf_handles(
|
|
JNIEnv* env,
|
|
std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>& cf_handles,
|
|
jlongArray jcolumn_family_handles) {
|
|
if (jcolumn_family_handles != nullptr) {
|
|
const jsize len_cols = env->GetArrayLength(jcolumn_family_handles);
|
|
|
|
jlong* jcfh = env->GetLongArrayElements(jcolumn_family_handles, nullptr);
|
|
if (jcfh == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
jclass exception_cls = (env)->FindClass("java/lang/OutOfMemoryError");
|
|
(env)->ThrowNew(exception_cls,
|
|
"Insufficient Memory for CF handle array.");
|
|
return false;
|
|
}
|
|
|
|
for (jsize i = 0; i < len_cols; i++) {
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcfh[i]);
|
|
cf_handles.push_back(cf_handle);
|
|
}
|
|
env->ReleaseLongArrayElements(jcolumn_family_handles, jcfh, JNI_ABORT);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @brief copy keys from JNI into vector of slices for Rocks API
|
|
*
|
|
* @param keys to instantiate
|
|
* @param jkeys
|
|
* @param jkey_offs
|
|
* @param jkey_lens
|
|
* @return true if the copy succeeds
|
|
* @return false if a JNI exception is raised
|
|
*/
|
|
inline bool keys_from_jkeys(JNIEnv* env,
|
|
std::vector<ROCKSDB_NAMESPACE::Slice>& keys,
|
|
std::vector<jbyte*>& keys_to_free,
|
|
jobjectArray jkeys, jintArray jkey_offs,
|
|
jintArray jkey_lens) {
|
|
jint* jkey_off = env->GetIntArrayElements(jkey_offs, nullptr);
|
|
if (jkey_off == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
jclass exception_cls = (env)->FindClass("java/lang/OutOfMemoryError");
|
|
(env)->ThrowNew(exception_cls, "Insufficient Memory for key offset array.");
|
|
return false;
|
|
}
|
|
|
|
jint* jkey_len = env->GetIntArrayElements(jkey_lens, nullptr);
|
|
if (jkey_len == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
env->ReleaseIntArrayElements(jkey_offs, jkey_off, JNI_ABORT);
|
|
jclass exception_cls = (env)->FindClass("java/lang/OutOfMemoryError");
|
|
(env)->ThrowNew(exception_cls, "Insufficient Memory for key length array.");
|
|
return false;
|
|
}
|
|
|
|
const jsize len_keys = env->GetArrayLength(jkeys);
|
|
for (jsize i = 0; i < len_keys; i++) {
|
|
jobject jkey = env->GetObjectArrayElement(jkeys, i);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->ReleaseIntArrayElements(jkey_lens, jkey_len, JNI_ABORT);
|
|
env->ReleaseIntArrayElements(jkey_offs, jkey_off, JNI_ABORT);
|
|
multi_get_helper_release_keys(keys_to_free);
|
|
jclass exception_cls = (env)->FindClass("java/lang/OutOfMemoryError");
|
|
(env)->ThrowNew(exception_cls,
|
|
"Insufficient Memory for key object array.");
|
|
return false;
|
|
}
|
|
|
|
jbyteArray jkey_ba = reinterpret_cast<jbyteArray>(jkey);
|
|
|
|
const jint len_key = jkey_len[i];
|
|
jbyte* key = new jbyte[len_key];
|
|
env->GetByteArrayRegion(jkey_ba, jkey_off[i], len_key, key);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
delete[] key;
|
|
env->DeleteLocalRef(jkey);
|
|
env->ReleaseIntArrayElements(jkey_lens, jkey_len, JNI_ABORT);
|
|
env->ReleaseIntArrayElements(jkey_offs, jkey_off, JNI_ABORT);
|
|
multi_get_helper_release_keys(keys_to_free);
|
|
jclass exception_cls =
|
|
(env)->FindClass("java/lang/ArrayIndexOutOfBoundsException");
|
|
(env)->ThrowNew(exception_cls, "Invalid byte array region index.");
|
|
return false;
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key), len_key);
|
|
keys.push_back(key_slice);
|
|
|
|
env->DeleteLocalRef(jkey);
|
|
keys_to_free.push_back(key);
|
|
}
|
|
|
|
// cleanup jkey_off and jken_len
|
|
env->ReleaseIntArrayElements(jkey_lens, jkey_len, JNI_ABORT);
|
|
env->ReleaseIntArrayElements(jkey_offs, jkey_off, JNI_ABORT);
|
|
|
|
return true;
|
|
}
|
|
|
|
inline bool keys_from_bytebuffers(JNIEnv* env,
|
|
std::vector<ROCKSDB_NAMESPACE::Slice>& keys,
|
|
jobjectArray jkeys, jintArray jkey_offs,
|
|
jintArray jkey_lens) {
|
|
jint* jkey_off = env->GetIntArrayElements(jkey_offs, nullptr);
|
|
if (jkey_off == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
jclass exception_cls = (env)->FindClass("java/lang/OutOfMemoryError");
|
|
(env)->ThrowNew(exception_cls, "Insufficient Memory for key offset array.");
|
|
return false;
|
|
}
|
|
|
|
jint* jkey_len = env->GetIntArrayElements(jkey_lens, nullptr);
|
|
if (jkey_len == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
env->ReleaseIntArrayElements(jkey_offs, jkey_off, JNI_ABORT);
|
|
jclass exception_cls = (env)->FindClass("java/lang/OutOfMemoryError");
|
|
(env)->ThrowNew(exception_cls, "Insufficient Memory for key length array.");
|
|
return false;
|
|
}
|
|
|
|
const jsize len_keys = env->GetArrayLength(jkeys);
|
|
for (jsize i = 0; i < len_keys; i++) {
|
|
jobject jkey = env->GetObjectArrayElement(jkeys, i);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
return false;
|
|
}
|
|
char* key = reinterpret_cast<char*>(env->GetDirectBufferAddress(jkey));
|
|
ROCKSDB_NAMESPACE::Slice key_slice(key + jkey_off[i], jkey_len[i]);
|
|
keys.push_back(key_slice);
|
|
|
|
env->DeleteLocalRef(jkey);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* cf multi get
|
|
*
|
|
* @return byte[][] of values or nullptr if an
|
|
* exception occurs
|
|
*/
|
|
jobjectArray multi_get_helper(JNIEnv* env, jobject, ROCKSDB_NAMESPACE::DB* db,
|
|
const ROCKSDB_NAMESPACE::ReadOptions& rOpt,
|
|
jobjectArray jkeys, jintArray jkey_offs,
|
|
jintArray jkey_lens,
|
|
jlongArray jcolumn_family_handles) {
|
|
std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*> cf_handles;
|
|
if (!cf_handles_from_jcf_handles(env, cf_handles, jcolumn_family_handles)) {
|
|
return nullptr;
|
|
}
|
|
|
|
std::vector<ROCKSDB_NAMESPACE::Slice> keys;
|
|
std::vector<jbyte*> keys_to_free;
|
|
if (!keys_from_jkeys(env, keys, keys_to_free, jkeys, jkey_offs, jkey_lens)) {
|
|
return nullptr;
|
|
}
|
|
|
|
std::vector<std::string> values;
|
|
std::vector<ROCKSDB_NAMESPACE::Status> s;
|
|
if (cf_handles.size() == 0) {
|
|
s = db->MultiGet(rOpt, keys, &values);
|
|
} else {
|
|
s = db->MultiGet(rOpt, cf_handles, keys, &values);
|
|
}
|
|
|
|
// free up allocated byte arrays
|
|
multi_get_helper_release_keys(keys_to_free);
|
|
|
|
// prepare the results
|
|
jobjectArray jresults = ROCKSDB_NAMESPACE::ByteJni::new2dByteArray(
|
|
env, static_cast<jsize>(s.size()));
|
|
if (jresults == nullptr) {
|
|
// exception occurred
|
|
jclass exception_cls = (env)->FindClass("java/lang/OutOfMemoryError");
|
|
(env)->ThrowNew(exception_cls, "Insufficient Memory for results.");
|
|
return nullptr;
|
|
}
|
|
|
|
// add to the jresults
|
|
for (std::vector<ROCKSDB_NAMESPACE::Status>::size_type i = 0; i != s.size();
|
|
i++) {
|
|
if (s[i].ok()) {
|
|
std::string* value = &values[i];
|
|
const jsize jvalue_len = static_cast<jsize>(value->size());
|
|
jbyteArray jentry_value = env->NewByteArray(jvalue_len);
|
|
if (jentry_value == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
|
|
env->SetByteArrayRegion(
|
|
jentry_value, 0, static_cast<jsize>(jvalue_len),
|
|
const_cast<jbyte*>(reinterpret_cast<const jbyte*>(value->c_str())));
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown:
|
|
// ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jentry_value);
|
|
return nullptr;
|
|
}
|
|
|
|
env->SetObjectArrayElement(jresults, static_cast<jsize>(i), jentry_value);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown:
|
|
// ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jentry_value);
|
|
return nullptr;
|
|
}
|
|
|
|
env->DeleteLocalRef(jentry_value);
|
|
}
|
|
}
|
|
|
|
return jresults;
|
|
}
|
|
|
|
/**
|
|
* cf multi get
|
|
*
|
|
* fill supplied native buffers, or raise JNI
|
|
* exception on a problem
|
|
*/
|
|
|
|
/**
|
|
* @brief multi_get_helper_direct for fast-path multiget (io_uring) on Linux
|
|
*
|
|
* @param env
|
|
* @param db
|
|
* @param rOpt read options
|
|
* @param jcolumn_family_handles 0, 1, or n column family handles
|
|
* @param jkeys
|
|
* @param jkey_offsets
|
|
* @param jkey_lengths
|
|
* @param jvalues byte buffers to receive values
|
|
* @param jvalue_sizes returned actual sizes of data values for keys
|
|
* @param jstatuses returned java RocksDB status values for per key
|
|
*/
|
|
void multi_get_helper_direct(JNIEnv* env, jobject, ROCKSDB_NAMESPACE::DB* db,
|
|
const ROCKSDB_NAMESPACE::ReadOptions& rOpt,
|
|
jlongArray jcolumn_family_handles,
|
|
jobjectArray jkeys, jintArray jkey_offsets,
|
|
jintArray jkey_lengths, jobjectArray jvalues,
|
|
jintArray jvalue_sizes, jobjectArray jstatuses) {
|
|
const jsize num_keys = env->GetArrayLength(jkeys);
|
|
|
|
std::vector<ROCKSDB_NAMESPACE::Slice> keys;
|
|
if (!keys_from_bytebuffers(env, keys, jkeys, jkey_offsets, jkey_lengths)) {
|
|
return;
|
|
}
|
|
|
|
std::vector<ROCKSDB_NAMESPACE::PinnableSlice> values(num_keys);
|
|
|
|
std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*> cf_handles;
|
|
if (!cf_handles_from_jcf_handles(env, cf_handles, jcolumn_family_handles)) {
|
|
return;
|
|
}
|
|
|
|
std::vector<ROCKSDB_NAMESPACE::Status> s(num_keys);
|
|
if (cf_handles.size() == 0) {
|
|
// we can use the more efficient call here
|
|
auto cf_handle = db->DefaultColumnFamily();
|
|
db->MultiGet(rOpt, cf_handle, num_keys, keys.data(), values.data(),
|
|
s.data());
|
|
} else if (cf_handles.size() == 1) {
|
|
// we can use the more efficient call here
|
|
auto cf_handle = cf_handles[0];
|
|
db->MultiGet(rOpt, cf_handle, num_keys, keys.data(), values.data(),
|
|
s.data());
|
|
} else {
|
|
// multiple CFs version
|
|
db->MultiGet(rOpt, num_keys, cf_handles.data(), keys.data(), values.data(),
|
|
s.data());
|
|
}
|
|
|
|
// prepare the results
|
|
jobjectArray jresults = ROCKSDB_NAMESPACE::ByteJni::new2dByteArray(
|
|
env, static_cast<jsize>(s.size()));
|
|
if (jresults == nullptr) {
|
|
// exception occurred
|
|
jclass exception_cls = (env)->FindClass("java/lang/OutOfMemoryError");
|
|
(env)->ThrowNew(exception_cls, "Insufficient Memory for results.");
|
|
return;
|
|
}
|
|
|
|
std::vector<jint> value_size;
|
|
for (int i = 0; i < num_keys; i++) {
|
|
auto jstatus = ROCKSDB_NAMESPACE::StatusJni::construct(env, s[i]);
|
|
if (jstatus == nullptr) {
|
|
// exception in context
|
|
return;
|
|
}
|
|
env->SetObjectArrayElement(jstatuses, i, jstatus);
|
|
|
|
if (s[i].ok()) {
|
|
jobject jvalue_bytebuf = env->GetObjectArrayElement(jvalues, i);
|
|
if (env->ExceptionCheck()) {
|
|
// ArrayIndexOutOfBoundsException is thrown
|
|
return;
|
|
}
|
|
jlong jvalue_capacity = env->GetDirectBufferCapacity(jvalue_bytebuf);
|
|
if (jvalue_capacity == -1) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env,
|
|
"Invalid value(s) argument (argument is not a valid direct "
|
|
"ByteBuffer)");
|
|
return;
|
|
}
|
|
void* jvalue_address = env->GetDirectBufferAddress(jvalue_bytebuf);
|
|
if (jvalue_address == nullptr) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env,
|
|
"Invalid value(s) argument (argument is not a valid direct "
|
|
"ByteBuffer)");
|
|
return;
|
|
}
|
|
|
|
// record num returned, push back that number, which may be bigger then
|
|
// the ByteBuffer supplied. then copy as much as fits in the ByteBuffer.
|
|
value_size.push_back(static_cast<jint>(values[i].size()));
|
|
auto copy_bytes =
|
|
std::min(static_cast<jlong>(values[i].size()), jvalue_capacity);
|
|
memcpy(jvalue_address, values[i].data(), copy_bytes);
|
|
} else {
|
|
// bad status for this
|
|
value_size.push_back(0);
|
|
}
|
|
}
|
|
|
|
env->SetIntArrayRegion(jvalue_sizes, 0, num_keys, value_size.data());
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: multiGet
|
|
* Signature: (J[[B[I[I)[[B
|
|
*/
|
|
jobjectArray Java_org_rocksdb_RocksDB_multiGet__J_3_3B_3I_3I(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle, jobjectArray jkeys,
|
|
jintArray jkey_offs, jintArray jkey_lens) {
|
|
return multi_get_helper(
|
|
env, jdb, reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle),
|
|
ROCKSDB_NAMESPACE::ReadOptions(), jkeys, jkey_offs, jkey_lens, nullptr);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: multiGet
|
|
* Signature: (J[[B[I[I[J)[[B
|
|
*/
|
|
jobjectArray Java_org_rocksdb_RocksDB_multiGet__J_3_3B_3I_3I_3J(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle, jobjectArray jkeys,
|
|
jintArray jkey_offs, jintArray jkey_lens,
|
|
jlongArray jcolumn_family_handles) {
|
|
return multi_get_helper(env, jdb,
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle),
|
|
ROCKSDB_NAMESPACE::ReadOptions(), jkeys, jkey_offs,
|
|
jkey_lens, jcolumn_family_handles);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: multiGet
|
|
* Signature: (JJ[[B[I[I)[[B
|
|
*/
|
|
jobjectArray Java_org_rocksdb_RocksDB_multiGet__JJ_3_3B_3I_3I(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle, jlong jropt_handle,
|
|
jobjectArray jkeys, jintArray jkey_offs, jintArray jkey_lens) {
|
|
return multi_get_helper(
|
|
env, jdb, reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle),
|
|
*reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jropt_handle), jkeys,
|
|
jkey_offs, jkey_lens, nullptr);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: multiGet
|
|
* Signature: (JJ[[B[I[I[J)[[B
|
|
*/
|
|
jobjectArray Java_org_rocksdb_RocksDB_multiGet__JJ_3_3B_3I_3I_3J(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle, jlong jropt_handle,
|
|
jobjectArray jkeys, jintArray jkey_offs, jintArray jkey_lens,
|
|
jlongArray jcolumn_family_handles) {
|
|
return multi_get_helper(
|
|
env, jdb, reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle),
|
|
*reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jropt_handle), jkeys,
|
|
jkey_offs, jkey_lens, jcolumn_family_handles);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: multiGet
|
|
* Signature:
|
|
* (JJ[J[Ljava/nio/ByteBuffer;[I[I[Ljava/nio/ByteBuffer;[I[Lorg/rocksdb/Status;)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_multiGet__JJ_3J_3Ljava_nio_ByteBuffer_2_3I_3I_3Ljava_nio_ByteBuffer_2_3I_3Lorg_rocksdb_Status_2(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle, jlong jropt_handle,
|
|
jlongArray jcolumn_family_handles, jobjectArray jkeys,
|
|
jintArray jkey_offsets, jintArray jkey_lengths, jobjectArray jvalues,
|
|
jintArray jvalues_sizes, jobjectArray jstatus_objects) {
|
|
return multi_get_helper_direct(
|
|
env, jdb, reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle),
|
|
*reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jropt_handle),
|
|
jcolumn_family_handles, jkeys, jkey_offsets, jkey_lengths, jvalues,
|
|
jvalues_sizes, jstatus_objects);
|
|
}
|
|
// private native void
|
|
// multiGet(final long dbHandle, final long rOptHandle,
|
|
// final long[] columnFamilyHandles, final ByteBuffer[] keysArray,
|
|
// final ByteBuffer[] valuesArray);
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// ROCKSDB_NAMESPACE::DB::KeyMayExist
|
|
bool key_may_exist_helper(JNIEnv* env, jlong jdb_handle, jlong jcf_handle,
|
|
jlong jread_opts_handle, jbyteArray jkey,
|
|
jint jkey_offset, jint jkey_len, bool* has_exception,
|
|
std::string* value, bool* value_found) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
ROCKSDB_NAMESPACE::ReadOptions read_opts =
|
|
jread_opts_handle == 0
|
|
? ROCKSDB_NAMESPACE::ReadOptions()
|
|
: *(reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(
|
|
jread_opts_handle));
|
|
|
|
jbyte* key = new jbyte[jkey_len];
|
|
env->GetByteArrayRegion(jkey, jkey_offset, jkey_len, key);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
delete[] key;
|
|
*has_exception = true;
|
|
return false;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice key_slice(reinterpret_cast<char*>(key), jkey_len);
|
|
|
|
const bool exists =
|
|
db->KeyMayExist(read_opts, cf_handle, key_slice, value, value_found);
|
|
|
|
// cleanup
|
|
delete[] key;
|
|
|
|
return exists;
|
|
}
|
|
|
|
bool key_may_exist_direct_helper(JNIEnv* env, jlong jdb_handle,
|
|
jlong jcf_handle, jlong jread_opts_handle,
|
|
jobject jkey, jint jkey_offset, jint jkey_len,
|
|
bool* has_exception, std::string* value,
|
|
bool* value_found) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
ROCKSDB_NAMESPACE::ReadOptions read_opts =
|
|
jread_opts_handle == 0
|
|
? ROCKSDB_NAMESPACE::ReadOptions()
|
|
: *(reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(
|
|
jread_opts_handle));
|
|
|
|
char* key = reinterpret_cast<char*>(env->GetDirectBufferAddress(jkey));
|
|
if (key == nullptr) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env,
|
|
"Invalid key argument (argument is not a valid direct ByteBuffer)");
|
|
*has_exception = true;
|
|
return false;
|
|
}
|
|
if (env->GetDirectBufferCapacity(jkey) < (jkey_offset + jkey_len)) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env,
|
|
"Invalid key argument. Capacity is less than requested region (offset "
|
|
"+ length).");
|
|
*has_exception = true;
|
|
return false;
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::Slice key_slice(key, jkey_len);
|
|
|
|
const bool exists =
|
|
db->KeyMayExist(read_opts, cf_handle, key_slice, value, value_found);
|
|
|
|
return exists;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: keyMayExist
|
|
* Signature: (JJJ[BII)Z
|
|
*/
|
|
jboolean Java_org_rocksdb_RocksDB_keyMayExist(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jlong jread_opts_handle,
|
|
jbyteArray jkey, jint jkey_offset, jint jkey_len) {
|
|
|
|
bool has_exception = false;
|
|
std::string value;
|
|
bool value_found = false;
|
|
|
|
const bool exists = key_may_exist_helper(
|
|
env, jdb_handle, jcf_handle, jread_opts_handle,
|
|
jkey, jkey_offset, jkey_len,
|
|
&has_exception, &value, &value_found);
|
|
|
|
if (has_exception) {
|
|
// java exception already raised
|
|
return false;
|
|
}
|
|
|
|
return static_cast<jboolean>(exists);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: keyMayExistDirect
|
|
* Signature: (JJJLjava/nio/ByteBuffer;II)Z
|
|
*/
|
|
jboolean Java_org_rocksdb_RocksDB_keyMayExistDirect(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jlong jread_opts_handle, jobject jkey, jint jkey_offset, jint jkey_len) {
|
|
bool has_exception = false;
|
|
std::string value;
|
|
bool value_found = false;
|
|
|
|
const bool exists = key_may_exist_direct_helper(
|
|
env, jdb_handle, jcf_handle, jread_opts_handle, jkey, jkey_offset,
|
|
jkey_len, &has_exception, &value, &value_found);
|
|
if (has_exception) {
|
|
// java exception already raised
|
|
return false;
|
|
}
|
|
|
|
return static_cast<jboolean>(exists);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: keyMayExistDirectFoundValue
|
|
* Signature:
|
|
* (JJJLjava/nio/ByteBuffer;IILjava/nio/ByteBuffer;II)[J
|
|
*/
|
|
jintArray Java_org_rocksdb_RocksDB_keyMayExistDirectFoundValue(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jlong jread_opts_handle, jobject jkey, jint jkey_offset, jint jkey_len,
|
|
jobject jval, jint jval_offset, jint jval_len) {
|
|
char* val_buffer = reinterpret_cast<char*>(env->GetDirectBufferAddress(jval));
|
|
if (val_buffer == nullptr) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env,
|
|
"Invalid value argument (argument is not a valid direct ByteBuffer)");
|
|
return nullptr;
|
|
}
|
|
|
|
if (env->GetDirectBufferCapacity(jval) < (jval_offset + jval_len)) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env,
|
|
"Invalid value argument. Capacity is less than requested region "
|
|
"(offset + length).");
|
|
return nullptr;
|
|
}
|
|
|
|
bool has_exception = false;
|
|
std::string cvalue;
|
|
bool value_found = false;
|
|
|
|
const bool exists = key_may_exist_direct_helper(
|
|
env, jdb_handle, jcf_handle, jread_opts_handle, jkey, jkey_offset,
|
|
jkey_len, &has_exception, &cvalue, &value_found);
|
|
|
|
if (has_exception) {
|
|
// java exception already raised
|
|
return nullptr;
|
|
}
|
|
|
|
const jint cvalue_len = static_cast<jint>(cvalue.size());
|
|
const jint length = std::min(jval_len, cvalue_len);
|
|
memcpy(val_buffer + jval_offset, cvalue.c_str(), length);
|
|
|
|
// keep consistent with java KeyMayExistEnum.values()
|
|
const int kNotExist = 0;
|
|
const int kExistsWithoutValue = 1;
|
|
const int kExistsWithValue = 2;
|
|
|
|
// TODO fix return value/type
|
|
// exists/value_found/neither
|
|
// cvalue_len
|
|
jintArray jresult = env->NewIntArray(2);
|
|
const jint jexists =
|
|
exists ? (value_found ? kExistsWithValue : kExistsWithoutValue)
|
|
: kNotExist;
|
|
|
|
env->SetIntArrayRegion(jresult, 0, 1, &jexists);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jresult);
|
|
return nullptr;
|
|
}
|
|
env->SetIntArrayRegion(jresult, 1, 1, &cvalue_len);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jresult);
|
|
return nullptr;
|
|
}
|
|
|
|
return jresult;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: keyMayExistFoundValue
|
|
* Signature: (JJJ[BII)[[B
|
|
*/
|
|
jobjectArray Java_org_rocksdb_RocksDB_keyMayExistFoundValue(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jlong jread_opts_handle, jbyteArray jkey, jint jkey_offset, jint jkey_len) {
|
|
bool has_exception = false;
|
|
std::string value;
|
|
bool value_found = false;
|
|
|
|
const bool exists = key_may_exist_helper(
|
|
env, jdb_handle, jcf_handle, jread_opts_handle, jkey, jkey_offset,
|
|
jkey_len, &has_exception, &value, &value_found);
|
|
|
|
if (has_exception) {
|
|
// java exception already raised
|
|
return nullptr;
|
|
}
|
|
|
|
jbyte result_flags[1];
|
|
if (!exists) {
|
|
result_flags[0] = 0;
|
|
} else if (!value_found) {
|
|
result_flags[0] = 1;
|
|
} else {
|
|
// found
|
|
result_flags[0] = 2;
|
|
}
|
|
|
|
jobjectArray jresults = ROCKSDB_NAMESPACE::ByteJni::new2dByteArray(env, 2);
|
|
if (jresults == nullptr) {
|
|
// exception occurred
|
|
return nullptr;
|
|
}
|
|
|
|
// prepare the result flag
|
|
jbyteArray jresult_flags = env->NewByteArray(1);
|
|
if (jresult_flags == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
env->SetByteArrayRegion(jresult_flags, 0, 1, result_flags);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jresult_flags);
|
|
return nullptr;
|
|
}
|
|
|
|
env->SetObjectArrayElement(jresults, 0, jresult_flags);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jresult_flags);
|
|
return nullptr;
|
|
}
|
|
|
|
env->DeleteLocalRef(jresult_flags);
|
|
|
|
if (result_flags[0] == 2) {
|
|
// set the value
|
|
const jsize jvalue_len = static_cast<jsize>(value.size());
|
|
jbyteArray jresult_value = env->NewByteArray(jvalue_len);
|
|
if (jresult_value == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
env->SetByteArrayRegion(
|
|
jresult_value, 0, jvalue_len,
|
|
const_cast<jbyte*>(reinterpret_cast<const jbyte*>(value.data())));
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jresult_value);
|
|
return nullptr;
|
|
}
|
|
env->SetObjectArrayElement(jresults, 1, jresult_value);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jresult_value);
|
|
return nullptr;
|
|
}
|
|
|
|
env->DeleteLocalRef(jresult_value);
|
|
}
|
|
|
|
return jresults;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: iterator
|
|
* Signature: (J)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_iterator__J(
|
|
JNIEnv*, jobject, jlong db_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(db_handle);
|
|
return rocksdb_iterator_helper(db, ROCKSDB_NAMESPACE::ReadOptions(), nullptr);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: iterator
|
|
* Signature: (JJ)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_iterator__JJ(
|
|
JNIEnv*, jobject, jlong db_handle, jlong jread_options_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(db_handle);
|
|
auto& read_options =
|
|
*reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jread_options_handle);
|
|
return rocksdb_iterator_helper(db, read_options, nullptr);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: iteratorCF
|
|
* Signature: (JJ)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_iteratorCF__JJ(
|
|
JNIEnv*, jobject, jlong db_handle, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(db_handle);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
return rocksdb_iterator_helper(db, ROCKSDB_NAMESPACE::ReadOptions(),
|
|
cf_handle);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: iteratorCF
|
|
* Signature: (JJJ)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_iteratorCF__JJJ(
|
|
JNIEnv*, jobject,
|
|
jlong db_handle, jlong jcf_handle, jlong jread_options_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(db_handle);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
auto& read_options =
|
|
*reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jread_options_handle);
|
|
return rocksdb_iterator_helper(db, read_options, cf_handle);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: iterators
|
|
* Signature: (J[JJ)[J
|
|
*/
|
|
jlongArray Java_org_rocksdb_RocksDB_iterators(
|
|
JNIEnv* env, jobject, jlong db_handle,
|
|
jlongArray jcolumn_family_handles,
|
|
jlong jread_options_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(db_handle);
|
|
auto& read_options =
|
|
*reinterpret_cast<ROCKSDB_NAMESPACE::ReadOptions*>(jread_options_handle);
|
|
|
|
std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*> cf_handles;
|
|
if (jcolumn_family_handles != nullptr) {
|
|
const jsize len_cols = env->GetArrayLength(jcolumn_family_handles);
|
|
jlong* jcfh = env->GetLongArrayElements(jcolumn_family_handles, nullptr);
|
|
if (jcfh == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
|
|
for (jsize i = 0; i < len_cols; i++) {
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcfh[i]);
|
|
cf_handles.push_back(cf_handle);
|
|
}
|
|
|
|
env->ReleaseLongArrayElements(jcolumn_family_handles, jcfh, JNI_ABORT);
|
|
}
|
|
|
|
std::vector<ROCKSDB_NAMESPACE::Iterator*> iterators;
|
|
ROCKSDB_NAMESPACE::Status s =
|
|
db->NewIterators(read_options, cf_handles, &iterators);
|
|
if (s.ok()) {
|
|
jlongArray jLongArray =
|
|
env->NewLongArray(static_cast<jsize>(iterators.size()));
|
|
if (jLongArray == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
|
|
for (std::vector<ROCKSDB_NAMESPACE::Iterator*>::size_type i = 0;
|
|
i < iterators.size(); i++) {
|
|
env->SetLongArrayRegion(
|
|
jLongArray, static_cast<jsize>(i), 1,
|
|
const_cast<jlong*>(reinterpret_cast<const jlong*>(&iterators[i])));
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jLongArray);
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
return jLongArray;
|
|
} else {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Method: getSnapshot
|
|
* Signature: (J)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getSnapshot(
|
|
JNIEnv*, jobject, jlong db_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(db_handle);
|
|
const ROCKSDB_NAMESPACE::Snapshot* snapshot = db->GetSnapshot();
|
|
return GET_CPLUSPLUS_POINTER(snapshot);
|
|
}
|
|
|
|
/*
|
|
* Method: releaseSnapshot
|
|
* Signature: (JJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_releaseSnapshot(
|
|
JNIEnv*, jobject, jlong db_handle,
|
|
jlong snapshot_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(db_handle);
|
|
auto* snapshot =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::Snapshot*>(snapshot_handle);
|
|
db->ReleaseSnapshot(snapshot);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getProperty
|
|
* Signature: (JJLjava/lang/String;I)Ljava/lang/String;
|
|
*/
|
|
jstring Java_org_rocksdb_RocksDB_getProperty(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jstring jproperty, jint jproperty_len) {
|
|
const char* property = env->GetStringUTFChars(jproperty, nullptr);
|
|
if (property == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice property_name(property, jproperty_len);
|
|
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
|
|
std::string property_value;
|
|
bool retCode = db->GetProperty(cf_handle, property_name, &property_value);
|
|
env->ReleaseStringUTFChars(jproperty, property);
|
|
|
|
if (retCode) {
|
|
return env->NewStringUTF(property_value.c_str());
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::NotFound());
|
|
return nullptr;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getMapProperty
|
|
* Signature: (JJLjava/lang/String;I)Ljava/util/Map;
|
|
*/
|
|
jobject Java_org_rocksdb_RocksDB_getMapProperty(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jstring jproperty, jint jproperty_len) {
|
|
const char* property = env->GetStringUTFChars(jproperty, nullptr);
|
|
if (property == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice property_name(property, jproperty_len);
|
|
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
|
|
std::map<std::string, std::string> property_value;
|
|
bool retCode = db->GetMapProperty(cf_handle, property_name, &property_value);
|
|
env->ReleaseStringUTFChars(jproperty, property);
|
|
|
|
if (retCode) {
|
|
return ROCKSDB_NAMESPACE::HashMapJni::fromCppMap(env, &property_value);
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::NotFound());
|
|
return nullptr;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getLongProperty
|
|
* Signature: (JJLjava/lang/String;I)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getLongProperty(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jstring jproperty, jint jproperty_len) {
|
|
const char* property = env->GetStringUTFChars(jproperty, nullptr);
|
|
if (property == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return 0;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice property_name(property, jproperty_len);
|
|
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
|
|
uint64_t property_value;
|
|
bool retCode = db->GetIntProperty(cf_handle, property_name, &property_value);
|
|
env->ReleaseStringUTFChars(jproperty, property);
|
|
|
|
if (retCode) {
|
|
return property_value;
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::NotFound());
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: resetStats
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_resetStats(
|
|
JNIEnv *, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
db->ResetStats();
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getAggregatedLongProperty
|
|
* Signature: (JLjava/lang/String;I)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getAggregatedLongProperty(
|
|
JNIEnv* env, jobject, jlong db_handle,
|
|
jstring jproperty, jint jproperty_len) {
|
|
const char* property = env->GetStringUTFChars(jproperty, nullptr);
|
|
if (property == nullptr) {
|
|
return 0;
|
|
}
|
|
ROCKSDB_NAMESPACE::Slice property_name(property, jproperty_len);
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(db_handle);
|
|
uint64_t property_value = 0;
|
|
bool retCode = db->GetAggregatedIntProperty(property_name, &property_value);
|
|
env->ReleaseStringUTFChars(jproperty, property);
|
|
|
|
if (retCode) {
|
|
return property_value;
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::NotFound());
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getApproximateSizes
|
|
* Signature: (JJ[JB)[J
|
|
*/
|
|
jlongArray Java_org_rocksdb_RocksDB_getApproximateSizes(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jlongArray jrange_slice_handles, jbyte jinclude_flags) {
|
|
const jsize jlen = env->GetArrayLength(jrange_slice_handles);
|
|
const size_t range_count = jlen / 2;
|
|
|
|
jlong* jranges = env->GetLongArrayElements(jrange_slice_handles, nullptr);
|
|
if (jranges == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
|
|
auto ranges = std::unique_ptr<ROCKSDB_NAMESPACE::Range[]>(
|
|
new ROCKSDB_NAMESPACE::Range[range_count]);
|
|
size_t range_offset = 0;
|
|
for (jsize i = 0; i < jlen; ++i) {
|
|
auto* start = reinterpret_cast<ROCKSDB_NAMESPACE::Slice*>(jranges[i]);
|
|
auto* limit = reinterpret_cast<ROCKSDB_NAMESPACE::Slice*>(jranges[++i]);
|
|
ranges.get()[range_offset++] = ROCKSDB_NAMESPACE::Range(*start, *limit);
|
|
}
|
|
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
|
|
auto sizes = std::unique_ptr<uint64_t[]>(new uint64_t[range_count]);
|
|
|
|
ROCKSDB_NAMESPACE::DB::SizeApproximationFlags include_flags =
|
|
ROCKSDB_NAMESPACE::DB::SizeApproximationFlags::NONE;
|
|
if (jinclude_flags & 1) {
|
|
include_flags =
|
|
ROCKSDB_NAMESPACE::DB::SizeApproximationFlags::INCLUDE_MEMTABLES;
|
|
}
|
|
if (jinclude_flags & 2) {
|
|
include_flags =
|
|
(include_flags |
|
|
ROCKSDB_NAMESPACE::DB::SizeApproximationFlags::INCLUDE_FILES);
|
|
}
|
|
|
|
db->GetApproximateSizes(cf_handle, ranges.get(),
|
|
static_cast<int>(range_count), sizes.get(),
|
|
include_flags);
|
|
|
|
// release LongArrayElements
|
|
env->ReleaseLongArrayElements(jrange_slice_handles, jranges, JNI_ABORT);
|
|
|
|
// prepare results
|
|
auto results = std::unique_ptr<jlong[]>(new jlong[range_count]);
|
|
for (size_t i = 0; i < range_count; ++i) {
|
|
results.get()[i] = static_cast<jlong>(sizes.get()[i]);
|
|
}
|
|
|
|
const jsize jrange_count = jlen / 2;
|
|
jlongArray jresults = env->NewLongArray(jrange_count);
|
|
if (jresults == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
|
|
env->SetLongArrayRegion(jresults, 0, jrange_count, results.get());
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jresults);
|
|
return nullptr;
|
|
}
|
|
|
|
return jresults;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getApproximateMemTableStats
|
|
* Signature: (JJJJ)[J
|
|
*/
|
|
jlongArray Java_org_rocksdb_RocksDB_getApproximateMemTableStats(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jlong jstartHandle, jlong jlimitHandle) {
|
|
auto* start = reinterpret_cast<ROCKSDB_NAMESPACE::Slice*>(jstartHandle);
|
|
auto* limit = reinterpret_cast<ROCKSDB_NAMESPACE::Slice*>(jlimitHandle);
|
|
const ROCKSDB_NAMESPACE::Range range(*start, *limit);
|
|
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
|
|
uint64_t count = 0;
|
|
uint64_t sizes = 0;
|
|
db->GetApproximateMemTableStats(cf_handle, range, &count, &sizes);
|
|
|
|
// prepare results
|
|
jlong results[2] = {
|
|
static_cast<jlong>(count),
|
|
static_cast<jlong>(sizes)};
|
|
|
|
jlongArray jsizes = env->NewLongArray(2);
|
|
if (jsizes == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
|
|
env->SetLongArrayRegion(jsizes, 0, 2, results);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jsizes);
|
|
return nullptr;
|
|
}
|
|
|
|
return jsizes;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: compactRange
|
|
* Signature: (J[BI[BIJJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_compactRange(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jbyteArray jbegin, jint jbegin_len,
|
|
jbyteArray jend, jint jend_len,
|
|
jlong jcompact_range_opts_handle,
|
|
jlong jcf_handle) {
|
|
jboolean has_exception = JNI_FALSE;
|
|
|
|
std::string str_begin;
|
|
if (jbegin_len > 0) {
|
|
str_begin = ROCKSDB_NAMESPACE::JniUtil::byteString<std::string>(
|
|
env, jbegin, jbegin_len,
|
|
[](const char* str, const size_t len) { return std::string(str, len); },
|
|
&has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
return;
|
|
}
|
|
}
|
|
|
|
std::string str_end;
|
|
if (jend_len > 0) {
|
|
str_end = ROCKSDB_NAMESPACE::JniUtil::byteString<std::string>(
|
|
env, jend, jend_len,
|
|
[](const char* str, const size_t len) { return std::string(str, len); },
|
|
&has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
return;
|
|
}
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::CompactRangeOptions* compact_range_opts = nullptr;
|
|
if (jcompact_range_opts_handle == 0) {
|
|
// NOTE: we DO own the pointer!
|
|
compact_range_opts = new ROCKSDB_NAMESPACE::CompactRangeOptions();
|
|
} else {
|
|
// NOTE: we do NOT own the pointer!
|
|
compact_range_opts =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::CompactRangeOptions*>(
|
|
jcompact_range_opts_handle);
|
|
}
|
|
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::Status s;
|
|
if (jbegin_len > 0 || jend_len > 0) {
|
|
const ROCKSDB_NAMESPACE::Slice begin(str_begin);
|
|
const ROCKSDB_NAMESPACE::Slice end(str_end);
|
|
s = db->CompactRange(*compact_range_opts, cf_handle, &begin, &end);
|
|
} else {
|
|
s = db->CompactRange(*compact_range_opts, cf_handle, nullptr, nullptr);
|
|
}
|
|
|
|
if (jcompact_range_opts_handle == 0) {
|
|
delete compact_range_opts;
|
|
}
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: setOptions
|
|
* Signature: (JJ[Ljava/lang/String;[Ljava/lang/String;)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_setOptions(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jobjectArray jkeys, jobjectArray jvalues) {
|
|
const jsize len = env->GetArrayLength(jkeys);
|
|
assert(len == env->GetArrayLength(jvalues));
|
|
|
|
std::unordered_map<std::string, std::string> options_map;
|
|
for (jsize i = 0; i < len; i++) {
|
|
jobject jobj_key = env->GetObjectArrayElement(jkeys, i);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
return;
|
|
}
|
|
|
|
jobject jobj_value = env->GetObjectArrayElement(jvalues, i);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jobj_key);
|
|
return;
|
|
}
|
|
|
|
jboolean has_exception = JNI_FALSE;
|
|
std::string s_key = ROCKSDB_NAMESPACE::JniUtil::copyStdString(
|
|
env, reinterpret_cast<jstring>(jobj_key), &has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
env->DeleteLocalRef(jobj_value);
|
|
env->DeleteLocalRef(jobj_key);
|
|
return;
|
|
}
|
|
|
|
std::string s_value = ROCKSDB_NAMESPACE::JniUtil::copyStdString(
|
|
env, reinterpret_cast<jstring>(jobj_value), &has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
env->DeleteLocalRef(jobj_value);
|
|
env->DeleteLocalRef(jobj_key);
|
|
return;
|
|
}
|
|
|
|
options_map[s_key] = s_value;
|
|
|
|
env->DeleteLocalRef(jobj_key);
|
|
env->DeleteLocalRef(jobj_value);
|
|
}
|
|
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle == nullptr) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
}
|
|
auto s = db->SetOptions(cf_handle, options_map);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: setDBOptions
|
|
* Signature: (J[Ljava/lang/String;[Ljava/lang/String;)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_setDBOptions(
|
|
JNIEnv* env, jobject, jlong jdb_handle,
|
|
jobjectArray jkeys, jobjectArray jvalues) {
|
|
const jsize len = env->GetArrayLength(jkeys);
|
|
assert(len == env->GetArrayLength(jvalues));
|
|
|
|
std::unordered_map<std::string, std::string> options_map;
|
|
for (jsize i = 0; i < len; i++) {
|
|
jobject jobj_key = env->GetObjectArrayElement(jkeys, i);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
return;
|
|
}
|
|
|
|
jobject jobj_value = env->GetObjectArrayElement(jvalues, i);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jobj_key);
|
|
return;
|
|
}
|
|
|
|
jboolean has_exception = JNI_FALSE;
|
|
std::string s_key = ROCKSDB_NAMESPACE::JniUtil::copyStdString(
|
|
env, reinterpret_cast<jstring>(jobj_key), &has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
env->DeleteLocalRef(jobj_value);
|
|
env->DeleteLocalRef(jobj_key);
|
|
return;
|
|
}
|
|
|
|
std::string s_value = ROCKSDB_NAMESPACE::JniUtil::copyStdString(
|
|
env, reinterpret_cast<jstring>(jobj_value), &has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
env->DeleteLocalRef(jobj_value);
|
|
env->DeleteLocalRef(jobj_key);
|
|
return;
|
|
}
|
|
|
|
options_map[s_key] = s_value;
|
|
|
|
env->DeleteLocalRef(jobj_key);
|
|
env->DeleteLocalRef(jobj_value);
|
|
}
|
|
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto s = db->SetDBOptions(options_map);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getOptions
|
|
* Signature: (JJ)Ljava/lang/String;
|
|
*/
|
|
jstring Java_org_rocksdb_RocksDB_getOptions(JNIEnv* env, jobject,
|
|
jlong jdb_handle,
|
|
jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
|
|
auto options = db->GetOptions(cf_handle);
|
|
std::string options_as_string;
|
|
ROCKSDB_NAMESPACE::Status s =
|
|
GetStringFromColumnFamilyOptions(&options_as_string, options);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return nullptr;
|
|
}
|
|
return env->NewStringUTF(options_as_string.c_str());
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getDBOptions
|
|
* Signature: (J)Ljava/lang/String;
|
|
*/
|
|
jstring Java_org_rocksdb_RocksDB_getDBOptions(JNIEnv* env, jobject,
|
|
jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
|
|
auto options = db->GetDBOptions();
|
|
std::string options_as_string;
|
|
ROCKSDB_NAMESPACE::Status s =
|
|
GetStringFromDBOptions(&options_as_string, options);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return nullptr;
|
|
}
|
|
return env->NewStringUTF(options_as_string.c_str());
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: compactFiles
|
|
* Signature: (JJJ[Ljava/lang/String;IIJ)[Ljava/lang/String;
|
|
*/
|
|
jobjectArray Java_org_rocksdb_RocksDB_compactFiles(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcompaction_opts_handle,
|
|
jlong jcf_handle, jobjectArray jinput_file_names, jint joutput_level,
|
|
jint joutput_path_id, jlong jcompaction_job_info_handle) {
|
|
jboolean has_exception = JNI_FALSE;
|
|
const std::vector<std::string> input_file_names =
|
|
ROCKSDB_NAMESPACE::JniUtil::copyStrings(env, jinput_file_names,
|
|
&has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
return nullptr;
|
|
}
|
|
|
|
auto* compaction_opts =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::CompactionOptions*>(
|
|
jcompaction_opts_handle);
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::CompactionJobInfo* compaction_job_info = nullptr;
|
|
if (jcompaction_job_info_handle != 0) {
|
|
compaction_job_info =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::CompactionJobInfo*>(
|
|
jcompaction_job_info_handle);
|
|
}
|
|
|
|
std::vector<std::string> output_file_names;
|
|
auto s = db->CompactFiles(*compaction_opts, cf_handle, input_file_names,
|
|
static_cast<int>(joutput_level), static_cast<int>(joutput_path_id),
|
|
&output_file_names, compaction_job_info);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return nullptr;
|
|
}
|
|
|
|
return ROCKSDB_NAMESPACE::JniUtil::toJavaStrings(env, &output_file_names);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: cancelAllBackgroundWork
|
|
* Signature: (JZ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_cancelAllBackgroundWork(
|
|
JNIEnv*, jobject, jlong jdb_handle, jboolean jwait) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::CancelAllBackgroundWork(db, jwait);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: pauseBackgroundWork
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_pauseBackgroundWork(
|
|
JNIEnv* env, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto s = db->PauseBackgroundWork();
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: continueBackgroundWork
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_continueBackgroundWork(
|
|
JNIEnv* env, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto s = db->ContinueBackgroundWork();
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: enableAutoCompaction
|
|
* Signature: (J[J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_enableAutoCompaction(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlongArray jcf_handles) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
jboolean has_exception = JNI_FALSE;
|
|
const std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*> cf_handles =
|
|
ROCKSDB_NAMESPACE::JniUtil::fromJPointers<
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle>(env, jcf_handles,
|
|
&has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
return;
|
|
}
|
|
db->EnableAutoCompaction(cf_handles);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: numberLevels
|
|
* Signature: (JJ)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_numberLevels(
|
|
JNIEnv*, jobject, jlong jdb_handle, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
return static_cast<jint>(db->NumberLevels(cf_handle));
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: maxMemCompactionLevel
|
|
* Signature: (JJ)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_maxMemCompactionLevel(
|
|
JNIEnv*, jobject, jlong jdb_handle, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
return static_cast<jint>(db->MaxMemCompactionLevel(cf_handle));
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: level0StopWriteTrigger
|
|
* Signature: (JJ)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_level0StopWriteTrigger(
|
|
JNIEnv*, jobject, jlong jdb_handle, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
return static_cast<jint>(db->Level0StopWriteTrigger(cf_handle));
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getName
|
|
* Signature: (J)Ljava/lang/String;
|
|
*/
|
|
jstring Java_org_rocksdb_RocksDB_getName(
|
|
JNIEnv* env, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
std::string name = db->GetName();
|
|
return ROCKSDB_NAMESPACE::JniUtil::toJavaString(env, &name, false);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getEnv
|
|
* Signature: (J)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getEnv(
|
|
JNIEnv*, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
return GET_CPLUSPLUS_POINTER(db->GetEnv());
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: flush
|
|
* Signature: (JJ[J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_flush(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jflush_opts_handle,
|
|
jlongArray jcf_handles) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* flush_opts =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::FlushOptions*>(jflush_opts_handle);
|
|
std::vector<ROCKSDB_NAMESPACE::ColumnFamilyHandle*> cf_handles;
|
|
if (jcf_handles == nullptr) {
|
|
cf_handles.push_back(db->DefaultColumnFamily());
|
|
} else {
|
|
jboolean has_exception = JNI_FALSE;
|
|
cf_handles = ROCKSDB_NAMESPACE::JniUtil::fromJPointers<
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle>(env, jcf_handles,
|
|
&has_exception);
|
|
if (has_exception) {
|
|
// exception occurred
|
|
return;
|
|
}
|
|
}
|
|
auto s = db->Flush(*flush_opts, cf_handles);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: flushWal
|
|
* Signature: (JZ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_flushWal(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jboolean jsync) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto s = db->FlushWAL(jsync == JNI_TRUE);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: syncWal
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_syncWal(
|
|
JNIEnv* env, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto s = db->SyncWAL();
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getLatestSequenceNumber
|
|
* Signature: (J)V
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getLatestSequenceNumber(
|
|
JNIEnv*, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
return db->GetLatestSequenceNumber();
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: disableFileDeletions
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_disableFileDeletions(
|
|
JNIEnv* env, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::Status s = db->DisableFileDeletions();
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: enableFileDeletions
|
|
* Signature: (JZ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_enableFileDeletions(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jboolean jforce) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::Status s = db->EnableFileDeletions(jforce);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getLiveFiles
|
|
* Signature: (JZ)[Ljava/lang/String;
|
|
*/
|
|
jobjectArray Java_org_rocksdb_RocksDB_getLiveFiles(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jboolean jflush_memtable) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
std::vector<std::string> live_files;
|
|
uint64_t manifest_file_size = 0;
|
|
auto s = db->GetLiveFiles(
|
|
live_files, &manifest_file_size, jflush_memtable == JNI_TRUE);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return nullptr;
|
|
}
|
|
|
|
// append the manifest_file_size to the vector
|
|
// for passing back to java
|
|
live_files.push_back(std::to_string(manifest_file_size));
|
|
|
|
return ROCKSDB_NAMESPACE::JniUtil::toJavaStrings(env, &live_files);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getSortedWalFiles
|
|
* Signature: (J)[Lorg/rocksdb/LogFile;
|
|
*/
|
|
jobjectArray Java_org_rocksdb_RocksDB_getSortedWalFiles(
|
|
JNIEnv* env, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
std::vector<std::unique_ptr<ROCKSDB_NAMESPACE::LogFile>> sorted_wal_files;
|
|
auto s = db->GetSortedWalFiles(sorted_wal_files);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return nullptr;
|
|
}
|
|
|
|
// convert to Java type
|
|
const jsize jlen = static_cast<jsize>(sorted_wal_files.size());
|
|
jobjectArray jsorted_wal_files = env->NewObjectArray(
|
|
jlen, ROCKSDB_NAMESPACE::LogFileJni::getJClass(env), nullptr);
|
|
if(jsorted_wal_files == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
|
|
jsize i = 0;
|
|
for (auto it = sorted_wal_files.begin(); it != sorted_wal_files.end(); ++it) {
|
|
jobject jlog_file =
|
|
ROCKSDB_NAMESPACE::LogFileJni::fromCppLogFile(env, it->get());
|
|
if (jlog_file == nullptr) {
|
|
// exception occurred
|
|
env->DeleteLocalRef(jsorted_wal_files);
|
|
return nullptr;
|
|
}
|
|
|
|
env->SetObjectArrayElement(jsorted_wal_files, i++, jlog_file);
|
|
if (env->ExceptionCheck()) {
|
|
// exception occurred
|
|
env->DeleteLocalRef(jlog_file);
|
|
env->DeleteLocalRef(jsorted_wal_files);
|
|
return nullptr;
|
|
}
|
|
|
|
env->DeleteLocalRef(jlog_file);
|
|
}
|
|
|
|
return jsorted_wal_files;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getUpdatesSince
|
|
* Signature: (JJ)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getUpdatesSince(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jsequence_number) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::SequenceNumber sequence_number =
|
|
static_cast<ROCKSDB_NAMESPACE::SequenceNumber>(jsequence_number);
|
|
std::unique_ptr<ROCKSDB_NAMESPACE::TransactionLogIterator> iter;
|
|
ROCKSDB_NAMESPACE::Status s = db->GetUpdatesSince(sequence_number, &iter);
|
|
if (s.ok()) {
|
|
return GET_CPLUSPLUS_POINTER(iter.release());
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: deleteFile
|
|
* Signature: (JLjava/lang/String;)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_deleteFile(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jstring jname) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
jboolean has_exception = JNI_FALSE;
|
|
std::string name =
|
|
ROCKSDB_NAMESPACE::JniUtil::copyStdString(env, jname, &has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
return;
|
|
}
|
|
db->DeleteFile(name);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getLiveFilesMetaData
|
|
* Signature: (J)[Lorg/rocksdb/LiveFileMetaData;
|
|
*/
|
|
jobjectArray Java_org_rocksdb_RocksDB_getLiveFilesMetaData(
|
|
JNIEnv* env, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
std::vector<ROCKSDB_NAMESPACE::LiveFileMetaData> live_files_meta_data;
|
|
db->GetLiveFilesMetaData(&live_files_meta_data);
|
|
|
|
// convert to Java type
|
|
const jsize jlen = static_cast<jsize>(live_files_meta_data.size());
|
|
jobjectArray jlive_files_meta_data = env->NewObjectArray(
|
|
jlen, ROCKSDB_NAMESPACE::LiveFileMetaDataJni::getJClass(env), nullptr);
|
|
if(jlive_files_meta_data == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return nullptr;
|
|
}
|
|
|
|
jsize i = 0;
|
|
for (auto it = live_files_meta_data.begin(); it != live_files_meta_data.end(); ++it) {
|
|
jobject jlive_file_meta_data =
|
|
ROCKSDB_NAMESPACE::LiveFileMetaDataJni::fromCppLiveFileMetaData(env,
|
|
&(*it));
|
|
if (jlive_file_meta_data == nullptr) {
|
|
// exception occurred
|
|
env->DeleteLocalRef(jlive_files_meta_data);
|
|
return nullptr;
|
|
}
|
|
|
|
env->SetObjectArrayElement(jlive_files_meta_data, i++, jlive_file_meta_data);
|
|
if (env->ExceptionCheck()) {
|
|
// exception occurred
|
|
env->DeleteLocalRef(jlive_file_meta_data);
|
|
env->DeleteLocalRef(jlive_files_meta_data);
|
|
return nullptr;
|
|
}
|
|
|
|
env->DeleteLocalRef(jlive_file_meta_data);
|
|
}
|
|
|
|
return jlive_files_meta_data;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getColumnFamilyMetaData
|
|
* Signature: (JJ)Lorg/rocksdb/ColumnFamilyMetaData;
|
|
*/
|
|
jobject Java_org_rocksdb_RocksDB_getColumnFamilyMetaData(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
ROCKSDB_NAMESPACE::ColumnFamilyMetaData cf_metadata;
|
|
db->GetColumnFamilyMetaData(cf_handle, &cf_metadata);
|
|
return ROCKSDB_NAMESPACE::ColumnFamilyMetaDataJni::
|
|
fromCppColumnFamilyMetaData(env, &cf_metadata);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: ingestExternalFile
|
|
* Signature: (JJ[Ljava/lang/String;IJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_ingestExternalFile(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jobjectArray jfile_path_list, jint jfile_path_list_len,
|
|
jlong jingest_external_file_options_handle) {
|
|
jboolean has_exception = JNI_FALSE;
|
|
std::vector<std::string> file_path_list =
|
|
ROCKSDB_NAMESPACE::JniUtil::copyStrings(
|
|
env, jfile_path_list, jfile_path_list_len, &has_exception);
|
|
if (has_exception == JNI_TRUE) {
|
|
// exception occurred
|
|
return;
|
|
}
|
|
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* column_family =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
auto* ifo = reinterpret_cast<ROCKSDB_NAMESPACE::IngestExternalFileOptions*>(
|
|
jingest_external_file_options_handle);
|
|
ROCKSDB_NAMESPACE::Status s =
|
|
db->IngestExternalFile(column_family, file_path_list, *ifo);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: verifyChecksum
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_verifyChecksum(
|
|
JNIEnv* env, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto s = db->VerifyChecksum();
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getDefaultColumnFamily
|
|
* Signature: (J)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getDefaultColumnFamily(
|
|
JNIEnv*, jobject, jlong jdb_handle) {
|
|
auto* db_handle = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* cf_handle = db_handle->DefaultColumnFamily();
|
|
return GET_CPLUSPLUS_POINTER(cf_handle);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getPropertiesOfAllTables
|
|
* Signature: (JJ)Ljava/util/Map;
|
|
*/
|
|
jobject Java_org_rocksdb_RocksDB_getPropertiesOfAllTables(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
ROCKSDB_NAMESPACE::TablePropertiesCollection table_properties_collection;
|
|
auto s = db->GetPropertiesOfAllTables(cf_handle,
|
|
&table_properties_collection);
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
|
|
// convert to Java type
|
|
jobject jhash_map = ROCKSDB_NAMESPACE::HashMapJni::construct(
|
|
env, static_cast<uint32_t>(table_properties_collection.size()));
|
|
if (jhash_map == nullptr) {
|
|
// exception occurred
|
|
return nullptr;
|
|
}
|
|
|
|
const ROCKSDB_NAMESPACE::HashMapJni::FnMapKV<
|
|
const std::string,
|
|
const std::shared_ptr<const ROCKSDB_NAMESPACE::TableProperties>, jobject,
|
|
jobject>
|
|
fn_map_kv =
|
|
[env](const std::pair<const std::string,
|
|
const std::shared_ptr<
|
|
const ROCKSDB_NAMESPACE::TableProperties>>&
|
|
kv) {
|
|
jstring jkey = ROCKSDB_NAMESPACE::JniUtil::toJavaString(
|
|
env, &(kv.first), false);
|
|
if (env->ExceptionCheck()) {
|
|
// an error occurred
|
|
return std::unique_ptr<std::pair<jobject, jobject>>(nullptr);
|
|
}
|
|
|
|
jobject jtable_properties =
|
|
ROCKSDB_NAMESPACE::TablePropertiesJni::fromCppTableProperties(
|
|
env, *(kv.second.get()));
|
|
if (jtable_properties == nullptr) {
|
|
// an error occurred
|
|
env->DeleteLocalRef(jkey);
|
|
return std::unique_ptr<std::pair<jobject, jobject>>(nullptr);
|
|
}
|
|
|
|
return std::unique_ptr<std::pair<jobject, jobject>>(
|
|
new std::pair<jobject, jobject>(
|
|
static_cast<jobject>(jkey),
|
|
static_cast<jobject>(jtable_properties)));
|
|
};
|
|
|
|
if (!ROCKSDB_NAMESPACE::HashMapJni::putAll(
|
|
env, jhash_map, table_properties_collection.begin(),
|
|
table_properties_collection.end(), fn_map_kv)) {
|
|
// exception occurred
|
|
return nullptr;
|
|
}
|
|
|
|
return jhash_map;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getPropertiesOfTablesInRange
|
|
* Signature: (JJ[J)Ljava/util/Map;
|
|
*/
|
|
jobject Java_org_rocksdb_RocksDB_getPropertiesOfTablesInRange(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle,
|
|
jlongArray jrange_slice_handles) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
const jsize jlen = env->GetArrayLength(jrange_slice_handles);
|
|
jlong* jrange_slice_handle =
|
|
env->GetLongArrayElements(jrange_slice_handles, nullptr);
|
|
if (jrange_slice_handle == nullptr) {
|
|
// exception occurred
|
|
return nullptr;
|
|
}
|
|
|
|
const size_t ranges_len = static_cast<size_t>(jlen / 2);
|
|
auto ranges = std::unique_ptr<ROCKSDB_NAMESPACE::Range[]>(
|
|
new ROCKSDB_NAMESPACE::Range[ranges_len]);
|
|
for (jsize i = 0, j = 0; i < jlen; ++i) {
|
|
auto* start =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::Slice*>(jrange_slice_handle[i]);
|
|
auto* limit =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::Slice*>(jrange_slice_handle[++i]);
|
|
ranges[j++] = ROCKSDB_NAMESPACE::Range(*start, *limit);
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::TablePropertiesCollection table_properties_collection;
|
|
auto s = db->GetPropertiesOfTablesInRange(
|
|
cf_handle, ranges.get(), ranges_len, &table_properties_collection);
|
|
if (!s.ok()) {
|
|
// error occurred
|
|
env->ReleaseLongArrayElements(jrange_slice_handles, jrange_slice_handle, JNI_ABORT);
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return nullptr;
|
|
}
|
|
|
|
// cleanup
|
|
env->ReleaseLongArrayElements(jrange_slice_handles, jrange_slice_handle, JNI_ABORT);
|
|
|
|
return jrange_slice_handles;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: suggestCompactRange
|
|
* Signature: (JJ)[J
|
|
*/
|
|
jlongArray Java_org_rocksdb_RocksDB_suggestCompactRange(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jcf_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
auto* begin = new ROCKSDB_NAMESPACE::Slice();
|
|
auto* end = new ROCKSDB_NAMESPACE::Slice();
|
|
auto s = db->SuggestCompactRange(cf_handle, begin, end);
|
|
if (!s.ok()) {
|
|
// error occurred
|
|
delete begin;
|
|
delete end;
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return nullptr;
|
|
}
|
|
|
|
jlongArray jslice_handles = env->NewLongArray(2);
|
|
if (jslice_handles == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
delete begin;
|
|
delete end;
|
|
return nullptr;
|
|
}
|
|
|
|
jlong slice_handles[2];
|
|
slice_handles[0] = GET_CPLUSPLUS_POINTER(begin);
|
|
slice_handles[1] = GET_CPLUSPLUS_POINTER(end);
|
|
env->SetLongArrayRegion(jslice_handles, 0, 2, slice_handles);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
delete begin;
|
|
delete end;
|
|
env->DeleteLocalRef(jslice_handles);
|
|
return nullptr;
|
|
}
|
|
|
|
return jslice_handles;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: promoteL0
|
|
* Signature: (JJI)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_promoteL0(
|
|
JNIEnv*, jobject, jlong jdb_handle, jlong jcf_handle, jint jtarget_level) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::ColumnFamilyHandle* cf_handle;
|
|
if (jcf_handle == 0) {
|
|
cf_handle = db->DefaultColumnFamily();
|
|
} else {
|
|
cf_handle =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
}
|
|
db->PromoteL0(cf_handle, static_cast<int>(jtarget_level));
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: startTrace
|
|
* Signature: (JJJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_startTrace(
|
|
JNIEnv* env, jobject, jlong jdb_handle, jlong jmax_trace_file_size,
|
|
jlong jtrace_writer_jnicallback_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
ROCKSDB_NAMESPACE::TraceOptions trace_options;
|
|
trace_options.max_trace_file_size =
|
|
static_cast<uint64_t>(jmax_trace_file_size);
|
|
// transfer ownership of trace writer from Java to C++
|
|
auto trace_writer =
|
|
std::unique_ptr<ROCKSDB_NAMESPACE::TraceWriterJniCallback>(
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::TraceWriterJniCallback*>(
|
|
jtrace_writer_jnicallback_handle));
|
|
auto s = db->StartTrace(trace_options, std::move(trace_writer));
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: endTrace
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_endTrace(JNIEnv* env, jobject, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto s = db->EndTrace();
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: tryCatchUpWithPrimary
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_tryCatchUpWithPrimary(JNIEnv* env, jobject,
|
|
jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto s = db->TryCatchUpWithPrimary();
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: destroyDB
|
|
* Signature: (Ljava/lang/String;J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_destroyDB(
|
|
JNIEnv* env, jclass, jstring jdb_path, jlong joptions_handle) {
|
|
const char* db_path = env->GetStringUTFChars(jdb_path, nullptr);
|
|
if (db_path == nullptr) {
|
|
// exception thrown: OutOfMemoryError
|
|
return;
|
|
}
|
|
|
|
auto* options =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::Options*>(joptions_handle);
|
|
if (options == nullptr) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(
|
|
env, ROCKSDB_NAMESPACE::Status::InvalidArgument("Invalid Options."));
|
|
}
|
|
|
|
ROCKSDB_NAMESPACE::Status s = ROCKSDB_NAMESPACE::DestroyDB(db_path, *options);
|
|
env->ReleaseStringUTFChars(jdb_path, db_path);
|
|
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
bool get_slice_helper(JNIEnv* env, jobjectArray ranges, jsize index,
|
|
std::unique_ptr<ROCKSDB_NAMESPACE::Slice>& slice,
|
|
std::vector<std::unique_ptr<jbyte[]>>& ranges_to_free) {
|
|
jobject jArray = env->GetObjectArrayElement(ranges, index);
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
return false;
|
|
}
|
|
|
|
if (jArray == nullptr) {
|
|
return true;
|
|
}
|
|
|
|
jbyteArray jba = reinterpret_cast<jbyteArray>(jArray);
|
|
jsize len_ba = env->GetArrayLength(jba);
|
|
ranges_to_free.push_back(std::unique_ptr<jbyte[]>(new jbyte[len_ba]));
|
|
env->GetByteArrayRegion(jba, 0, len_ba, ranges_to_free.back().get());
|
|
if (env->ExceptionCheck()) {
|
|
// exception thrown: ArrayIndexOutOfBoundsException
|
|
env->DeleteLocalRef(jArray);
|
|
return false;
|
|
}
|
|
env->DeleteLocalRef(jArray);
|
|
slice.reset(new ROCKSDB_NAMESPACE::Slice(
|
|
reinterpret_cast<char*>(ranges_to_free.back().get()), len_ba));
|
|
return true;
|
|
}
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: deleteFilesInRanges
|
|
* Signature: (JJLjava/util/List;Z)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_deleteFilesInRanges(JNIEnv* env, jobject /*jdb*/,
|
|
jlong jdb_handle,
|
|
jlong jcf_handle,
|
|
jobjectArray ranges,
|
|
jboolean include_end) {
|
|
jsize length = env->GetArrayLength(ranges);
|
|
|
|
std::vector<ROCKSDB_NAMESPACE::RangePtr> rangesVector;
|
|
std::vector<std::unique_ptr<ROCKSDB_NAMESPACE::Slice>> slices;
|
|
std::vector<std::unique_ptr<jbyte[]>> ranges_to_free;
|
|
for (jsize i = 0; (i + 1) < length; i += 2) {
|
|
slices.push_back(std::unique_ptr<ROCKSDB_NAMESPACE::Slice>());
|
|
if (!get_slice_helper(env, ranges, i, slices.back(), ranges_to_free)) {
|
|
// exception thrown
|
|
return;
|
|
}
|
|
|
|
slices.push_back(std::unique_ptr<ROCKSDB_NAMESPACE::Slice>());
|
|
if (!get_slice_helper(env, ranges, i + 1, slices.back(), ranges_to_free)) {
|
|
// exception thrown
|
|
return;
|
|
}
|
|
|
|
rangesVector.push_back(ROCKSDB_NAMESPACE::RangePtr(
|
|
slices[slices.size() - 2].get(), slices[slices.size() - 1].get()));
|
|
}
|
|
|
|
auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
|
|
auto* column_family =
|
|
reinterpret_cast<ROCKSDB_NAMESPACE::ColumnFamilyHandle*>(jcf_handle);
|
|
|
|
ROCKSDB_NAMESPACE::Status s = ROCKSDB_NAMESPACE::DeleteFilesInRanges(
|
|
db, column_family == nullptr ? db->DefaultColumnFamily() : column_family,
|
|
rangesVector.data(), rangesVector.size(), include_end);
|
|
|
|
if (!s.ok()) {
|
|
ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: version
|
|
* Signature: ()I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_version(JNIEnv*, jclass) {
|
|
uint32_t encodedVersion = (ROCKSDB_MAJOR & 0xff) << 16;
|
|
encodedVersion |= (ROCKSDB_MINOR & 0xff) << 8;
|
|
encodedVersion |= (ROCKSDB_PATCH & 0xff);
|
|
return static_cast<jint>(encodedVersion);
|
|
}
|