cb5c3159f0
Summary: As the C++ part exposes now SequenceNumber retrieval for Snapshots we want this obviously also in the Java API. Test Plan: make rocksdbjava make jtest mvn -f rocksjni.pom test Reviewers: yhchiang, adamretter, ankgup87 Subscribers: dhruba Differential Revision: https://reviews.facebook.net/D32571
1670 lines
57 KiB
C++
1670 lines
57 KiB
C++
// Copyright (c) 2014, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same 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::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 <memory>
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#include <string>
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#include <vector>
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#include "include/org_rocksdb_RocksDB.h"
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#include "rocksdb/db.h"
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#include "rocksdb/cache.h"
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#include "rocksdb/types.h"
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#include "rocksjni/portal.h"
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//////////////////////////////////////////////////////////////////////////////
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// rocksdb::DB::Open
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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;)V
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*/
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void Java_org_rocksdb_RocksDB_open__JLjava_lang_String_2(
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JNIEnv* env, jobject jdb, jlong jopt_handle, jstring jdb_path) {
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auto opt = reinterpret_cast<rocksdb::Options*>(jopt_handle);
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rocksdb::DB* db = nullptr;
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const char* db_path = env->GetStringUTFChars(jdb_path, 0);
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rocksdb::Status s = rocksdb::DB::Open(*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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rocksdb::RocksDBJni::setHandle(env, jdb, db);
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return;
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}
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rocksdb::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: openROnly
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* Signature: (JLjava/lang/String;)V
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*/
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void Java_org_rocksdb_RocksDB_openROnly__JLjava_lang_String_2(
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JNIEnv* env, jobject jdb, jlong jopt_handle, jstring jdb_path) {
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auto opt = reinterpret_cast<rocksdb::Options*>(jopt_handle);
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rocksdb::DB* db = nullptr;
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const char* db_path = env->GetStringUTFChars(jdb_path, 0);
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rocksdb::Status s = rocksdb::DB::OpenForReadOnly(*opt,
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db_path, &db);
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env->ReleaseStringUTFChars(jdb_path, db_path);
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if (s.ok()) {
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rocksdb::RocksDBJni::setHandle(env, jdb, db);
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return;
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}
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rocksdb::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: openROnly
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* Signature: (JLjava/lang/String;Ljava/util/List;I)Ljava/util/List;
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*/
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jobject
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Java_org_rocksdb_RocksDB_openROnly__JLjava_lang_String_2Ljava_util_List_2I(
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JNIEnv* env, jobject jdb, jlong jopt_handle, jstring jdb_path,
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jobject jcfdesc_list, jint jcfdesc_count) {
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auto opt = reinterpret_cast<rocksdb::Options*>(jopt_handle);
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rocksdb::DB* db = nullptr;
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const char* db_path = env->GetStringUTFChars(jdb_path, 0);
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std::vector<jbyte*> cfnames_to_free;
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// the zero-terminated version of cfnames_to_free.
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std::vector<char*> c_cfnames_to_free;
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std::vector<jbyteArray> jcfnames_for_free;
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std::vector<rocksdb::ColumnFamilyDescriptor> column_families;
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std::vector<rocksdb::ColumnFamilyHandle* > handles;
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// get iterator for ColumnFamilyDescriptors
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jobject iteratorObj = env->CallObjectMethod(
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jcfdesc_list, rocksdb::ListJni::getIteratorMethod(env));
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// iterate over ColumnFamilyDescriptors
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while (env->CallBooleanMethod(
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iteratorObj, rocksdb::ListJni::getHasNextMethod(env)) == JNI_TRUE) {
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// get ColumnFamilyDescriptor
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jobject jcf_descriptor = env->CallObjectMethod(iteratorObj,
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rocksdb::ListJni::getNextMethod(env));
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// get ColumnFamilyName
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jbyteArray byteArray = static_cast<jbyteArray>(env->CallObjectMethod(
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jcf_descriptor,
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rocksdb::ColumnFamilyDescriptorJni::getColumnFamilyNameMethod(
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env)));
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// get CF Options
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jobject jcf_opt_obj = env->CallObjectMethod(jcf_descriptor,
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rocksdb::ColumnFamilyDescriptorJni::getColumnFamilyOptionsMethod(
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env));
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rocksdb::ColumnFamilyOptions* cfOptions =
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rocksdb::ColumnFamilyOptionsJni::getHandle(env, jcf_opt_obj);
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jbyte* cfname = env->GetByteArrayElements(byteArray, 0);
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const int len = env->GetArrayLength(byteArray) + 1;
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char* c_cfname = new char[len];
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memcpy(c_cfname, cfname, len - 1);
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c_cfname[len - 1] = 0;
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// free allocated cfnames after call to open
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cfnames_to_free.push_back(cfname);
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c_cfnames_to_free.push_back(c_cfname);
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jcfnames_for_free.push_back(byteArray);
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column_families.push_back(rocksdb::ColumnFamilyDescriptor(
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c_cfname, *cfOptions));
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}
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rocksdb::Status s = rocksdb::DB::OpenForReadOnly(*opt,
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db_path, column_families, &handles, &db);
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env->ReleaseStringUTFChars(jdb_path, db_path);
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// free jbyte allocations
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for (std::vector<jbyte*>::size_type i = 0;
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i != cfnames_to_free.size(); i++) {
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// free cfnames
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env->ReleaseByteArrayElements(jcfnames_for_free[i], cfnames_to_free[i], 0);
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// free c_cfnames
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delete[] c_cfnames_to_free[i];
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}
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// check if open operation was successful
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if (s.ok()) {
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rocksdb::RocksDBJni::setHandle(env, jdb, db);
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jclass jListClazz = env->FindClass("java/util/ArrayList");
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jmethodID midList = rocksdb::ListJni::getArrayListConstructorMethodId(
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env, jListClazz);
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jobject jcfhandle_list = env->NewObject(jListClazz,
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midList, handles.size());
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// insert in java list
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for (std::vector<rocksdb::ColumnFamilyHandle*>::size_type i = 0;
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i != handles.size(); i++) {
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// jlong must be converted to Long due to collections restrictions
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jclass jLongClazz = env->FindClass("java/lang/Long");
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jmethodID midLong = env->GetMethodID(jLongClazz, "<init>", "(J)V");
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jobject obj = env->NewObject(jLongClazz, midLong,
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reinterpret_cast<jlong>(handles[i]));
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env->CallBooleanMethod(jcfhandle_list,
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rocksdb::ListJni::getListAddMethodId(env), obj);
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}
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return jcfhandle_list;
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}
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rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
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return nullptr;
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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;Ljava/util/List;I)Ljava/util/List;
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*/
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jobject Java_org_rocksdb_RocksDB_open__JLjava_lang_String_2Ljava_util_List_2I(
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JNIEnv* env, jobject jdb, jlong jopt_handle, jstring jdb_path,
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jobject jcfdesc_list, jint jcfdesc_count) {
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auto opt = reinterpret_cast<rocksdb::Options*>(jopt_handle);
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rocksdb::DB* db = nullptr;
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const char* db_path = env->GetStringUTFChars(jdb_path, 0);
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std::vector<jbyte*> cfnames_to_free;
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// the zero-terminated version of cfnames_to_free.
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std::vector<char*> c_cfnames_to_free;
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std::vector<jbyteArray> jcfnames_for_free;
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std::vector<rocksdb::ColumnFamilyDescriptor> column_families;
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std::vector<rocksdb::ColumnFamilyHandle* > handles;
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// get iterator for ColumnFamilyDescriptors
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jobject iteratorObj = env->CallObjectMethod(
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jcfdesc_list, rocksdb::ListJni::getIteratorMethod(env));
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// iterate over ColumnFamilyDescriptors
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while (env->CallBooleanMethod(
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iteratorObj, rocksdb::ListJni::getHasNextMethod(env)) == JNI_TRUE) {
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// get ColumnFamilyDescriptor
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jobject jcf_descriptor = env->CallObjectMethod(iteratorObj,
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rocksdb::ListJni::getNextMethod(env));
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// get ColumnFamilyName
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jbyteArray byteArray = static_cast<jbyteArray>(env->CallObjectMethod(
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jcf_descriptor,
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rocksdb::ColumnFamilyDescriptorJni::getColumnFamilyNameMethod(
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env)));
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// get CF Options
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jobject jcf_opt_obj = env->CallObjectMethod(jcf_descriptor,
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rocksdb::ColumnFamilyDescriptorJni::getColumnFamilyOptionsMethod(
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env));
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rocksdb::ColumnFamilyOptions* cfOptions =
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rocksdb::ColumnFamilyOptionsJni::getHandle(env, jcf_opt_obj);
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jbyte* cfname = env->GetByteArrayElements(byteArray, 0);
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const int len = env->GetArrayLength(byteArray) + 1;
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char* c_cfname = new char[len];
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memcpy(c_cfname, cfname, len - 1);
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c_cfname[len - 1] = 0;
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// free allocated cfnames after call to open
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cfnames_to_free.push_back(cfname);
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c_cfnames_to_free.push_back(c_cfname);
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jcfnames_for_free.push_back(byteArray);
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column_families.push_back(rocksdb::ColumnFamilyDescriptor(
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c_cfname, *cfOptions));
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}
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rocksdb::Status s = rocksdb::DB::Open(*opt, db_path, column_families,
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&handles, &db);
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env->ReleaseStringUTFChars(jdb_path, db_path);
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// free jbyte allocations
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for (std::vector<jbyte*>::size_type i = 0;
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i != cfnames_to_free.size(); i++) {
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// free cfnames
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env->ReleaseByteArrayElements(jcfnames_for_free[i], cfnames_to_free[i], 0);
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// free c_cfnames
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delete[] c_cfnames_to_free[i];
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}
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// check if open operation was successful
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if (s.ok()) {
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rocksdb::RocksDBJni::setHandle(env, jdb, db);
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jclass jListClazz = env->FindClass("java/util/ArrayList");
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jmethodID midList = rocksdb::ListJni::getArrayListConstructorMethodId(
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env, jListClazz);
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jobject jcfhandle_list = env->NewObject(jListClazz,
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midList, handles.size());
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// insert in java list
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for (std::vector<rocksdb::ColumnFamilyHandle*>::size_type i = 0;
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i != handles.size(); i++) {
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// jlong must be converted to Long due to collections restrictions
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jclass jLongClazz = env->FindClass("java/lang/Long");
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jmethodID midLong = env->GetMethodID(jLongClazz, "<init>", "(J)V");
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jobject obj = env->NewObject(jLongClazz, midLong,
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reinterpret_cast<jlong>(handles[i]));
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env->CallBooleanMethod(jcfhandle_list,
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rocksdb::ListJni::getListAddMethodId(env), obj);
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}
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return jcfhandle_list;
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}
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rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
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return nullptr;
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}
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//////////////////////////////////////////////////////////////////////////////
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// rocksdb::DB::ListColumnFamilies
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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;)Ljava/util/List;
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*/
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jobject Java_org_rocksdb_RocksDB_listColumnFamilies(
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JNIEnv* env, jclass jclazz, jlong jopt_handle, jstring jdb_path) {
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std::vector<std::string> column_family_names;
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auto opt = reinterpret_cast<rocksdb::Options*>(jopt_handle);
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const char* db_path = env->GetStringUTFChars(jdb_path, 0);
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jobject jvalue_list = nullptr;
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rocksdb::Status s = rocksdb::DB::ListColumnFamilies(*opt, db_path,
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&column_family_names);
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env->ReleaseStringUTFChars(jdb_path, db_path);
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if (s.ok()) {
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// Don't reuse class pointer
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jclass jListClazz = env->FindClass("java/util/ArrayList");
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jmethodID mid = rocksdb::ListJni::getArrayListConstructorMethodId(env,
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jListClazz);
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jvalue_list = env->NewObject(jListClazz, mid, column_family_names.size());
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for (std::vector<std::string>::size_type i = 0;
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i < column_family_names.size(); i++) {
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jbyteArray jcf_value =
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env->NewByteArray(static_cast<jsize>(column_family_names[i].size()));
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env->SetByteArrayRegion(
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jcf_value, 0, static_cast<jsize>(column_family_names[i].size()),
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reinterpret_cast<const jbyte*>(column_family_names[i].c_str()));
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env->CallBooleanMethod(jvalue_list,
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rocksdb::ListJni::getListAddMethodId(env), jcf_value);
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}
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}
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return jvalue_list;
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}
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//////////////////////////////////////////////////////////////////////////////
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// rocksdb::DB::Put
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void rocksdb_put_helper(
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JNIEnv* env, rocksdb::DB* db, const rocksdb::WriteOptions& write_options,
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rocksdb::ColumnFamilyHandle* cf_handle, jbyteArray jkey, jint jkey_len,
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jbyteArray jentry_value, jint jentry_value_len) {
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jbyte* key = env->GetByteArrayElements(jkey, 0);
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jbyte* value = env->GetByteArrayElements(jentry_value, 0);
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rocksdb::Slice key_slice(reinterpret_cast<char*>(key), jkey_len);
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rocksdb::Slice value_slice(reinterpret_cast<char*>(value),
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jentry_value_len);
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rocksdb::Status s;
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if (cf_handle != nullptr) {
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s = db->Put(write_options, cf_handle, key_slice, value_slice);
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} else {
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// backwards compatibility
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s = db->Put(write_options, key_slice, value_slice);
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}
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// trigger java unref on key and value.
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// by passing JNI_ABORT, it will simply release the reference without
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// copying the result back to the java byte array.
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env->ReleaseByteArrayElements(jkey, key, JNI_ABORT);
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env->ReleaseByteArrayElements(jentry_value, value, JNI_ABORT);
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if (s.ok()) {
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return;
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}
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rocksdb::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: put
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* Signature: (J[BI[BI)V
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*/
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void Java_org_rocksdb_RocksDB_put__J_3BI_3BI(
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JNIEnv* env, jobject jdb, jlong jdb_handle,
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jbyteArray jkey, jint jkey_len,
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jbyteArray jentry_value, jint jentry_value_len) {
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auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
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static const rocksdb::WriteOptions default_write_options =
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rocksdb::WriteOptions();
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rocksdb_put_helper(env, db, default_write_options, nullptr,
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jkey, jkey_len,
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jentry_value, jentry_value_len);
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: put
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* Signature: (J[BI[BIJ)V
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*/
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void Java_org_rocksdb_RocksDB_put__J_3BI_3BIJ(
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JNIEnv* env, jobject jdb, jlong jdb_handle,
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jbyteArray jkey, jint jkey_len,
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jbyteArray jentry_value, jint jentry_value_len, jlong jcf_handle) {
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auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
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static const rocksdb::WriteOptions default_write_options =
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rocksdb::WriteOptions();
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auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
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if (cf_handle != nullptr) {
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rocksdb_put_helper(env, db, default_write_options, cf_handle,
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jkey, jkey_len, jentry_value, jentry_value_len);
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} else {
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rocksdb::RocksDBExceptionJni::ThrowNew(env,
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rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
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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: put
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* Signature: (JJ[BI[BI)V
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*/
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void Java_org_rocksdb_RocksDB_put__JJ_3BI_3BI(
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JNIEnv* env, jobject jdb,
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jlong jdb_handle, jlong jwrite_options_handle,
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jbyteArray jkey, jint jkey_len,
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jbyteArray jentry_value, jint jentry_value_len) {
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auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
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auto write_options = reinterpret_cast<rocksdb::WriteOptions*>(
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jwrite_options_handle);
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rocksdb_put_helper(env, db, *write_options, nullptr,
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jkey, jkey_len,
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jentry_value, jentry_value_len);
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}
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/*
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* Class: org_rocksdb_RocksDB
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* Method: put
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* Signature: (JJ[BI[BIJ)V
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*/
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void Java_org_rocksdb_RocksDB_put__JJ_3BI_3BIJ(
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JNIEnv* env, jobject jdb,
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jlong jdb_handle, jlong jwrite_options_handle,
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jbyteArray jkey, jint jkey_len,
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jbyteArray jentry_value, jint jentry_value_len, jlong jcf_handle) {
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auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
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auto write_options = reinterpret_cast<rocksdb::WriteOptions*>(
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jwrite_options_handle);
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auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
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if (cf_handle != nullptr) {
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rocksdb_put_helper(env, db, *write_options, cf_handle,
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jkey, jkey_len, jentry_value, jentry_value_len);
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} else {
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rocksdb::RocksDBExceptionJni::ThrowNew(env,
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rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
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}
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}
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//////////////////////////////////////////////////////////////////////////////
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// rocksdb::DB::Write
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/*
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* Class: org_rocksdb_RocksDB
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* Method: write0
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* Signature: (JJ)V
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*/
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void Java_org_rocksdb_RocksDB_write0(
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JNIEnv* env, jobject jdb,
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jlong jwrite_options_handle, jlong jwb_handle) {
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rocksdb::DB* db = rocksdb::RocksDBJni::getHandle(env, jdb);
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auto* write_options = reinterpret_cast<rocksdb::WriteOptions*>(
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jwrite_options_handle);
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auto* wb = reinterpret_cast<rocksdb::WriteBatch*>(jwb_handle);
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rocksdb::Status s = db->Write(*write_options, wb);
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if (!s.ok()) {
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rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
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}
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}
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/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: write1
|
|
* Signature: (JJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_write1(
|
|
JNIEnv* env, jobject jdb,
|
|
jlong jwrite_options_handle, jlong jwbwi_handle) {
|
|
rocksdb::DB* db = rocksdb::RocksDBJni::getHandle(env, jdb);
|
|
auto* write_options = reinterpret_cast<rocksdb::WriteOptions*>(
|
|
jwrite_options_handle);
|
|
auto* wbwi = reinterpret_cast<rocksdb::WriteBatchWithIndex*>(jwbwi_handle);
|
|
auto* wb = wbwi->GetWriteBatch();
|
|
|
|
rocksdb::Status s = db->Write(*write_options, wb);
|
|
|
|
if (!s.ok()) {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// rocksdb::DB::KeyMayExist
|
|
jboolean key_may_exist_helper(JNIEnv* env, rocksdb::DB* db,
|
|
const rocksdb::ReadOptions& read_opt,
|
|
rocksdb::ColumnFamilyHandle* cf_handle, jbyteArray jkey, jint jkey_len,
|
|
jobject jstring_buffer) {
|
|
std::string value;
|
|
bool value_found = false;
|
|
jboolean isCopy;
|
|
jbyte* key = env->GetByteArrayElements(jkey, &isCopy);
|
|
rocksdb::Slice key_slice(reinterpret_cast<char*>(key), jkey_len);
|
|
bool keyMayExist;
|
|
if (cf_handle != nullptr) {
|
|
keyMayExist = db->KeyMayExist(read_opt, cf_handle, key_slice,
|
|
&value, &value_found);
|
|
} else {
|
|
keyMayExist = db->KeyMayExist(read_opt, key_slice,
|
|
&value, &value_found);
|
|
}
|
|
|
|
if (value_found && !value.empty()) {
|
|
jclass clazz = env->GetObjectClass(jstring_buffer);
|
|
jmethodID mid = env->GetMethodID(clazz, "append",
|
|
"(Ljava/lang/String;)Ljava/lang/StringBuffer;");
|
|
jstring new_value_str = env->NewStringUTF(value.c_str());
|
|
env->CallObjectMethod(jstring_buffer, mid, new_value_str);
|
|
}
|
|
env->ReleaseByteArrayElements(jkey, key, JNI_ABORT);
|
|
return static_cast<jboolean>(keyMayExist);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: keyMayExist
|
|
* Signature: ([BILjava/lang/StringBuffer;)Z
|
|
*/
|
|
jboolean Java_org_rocksdb_RocksDB_keyMayExist___3BILjava_lang_StringBuffer_2(
|
|
JNIEnv* env, jobject jdb, jbyteArray jkey, jint jkey_len,
|
|
jobject jstring_buffer) {
|
|
rocksdb::DB* db = rocksdb::RocksDBJni::getHandle(env, jdb);
|
|
return key_may_exist_helper(env, db, rocksdb::ReadOptions(),
|
|
nullptr, jkey, jkey_len, jstring_buffer);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: keyMayExist
|
|
* Signature: ([BIJLjava/lang/StringBuffer;)Z
|
|
*/
|
|
jboolean Java_org_rocksdb_RocksDB_keyMayExist___3BIJLjava_lang_StringBuffer_2(
|
|
JNIEnv* env, jobject jdb, jbyteArray jkey, jint jkey_len,
|
|
jlong jcf_handle, jobject jstring_buffer) {
|
|
rocksdb::DB* db = rocksdb::RocksDBJni::getHandle(env, jdb);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(
|
|
jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
return key_may_exist_helper(env, db, rocksdb::ReadOptions(),
|
|
cf_handle, jkey, jkey_len, jstring_buffer);
|
|
} else {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env,
|
|
rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: keyMayExist
|
|
* Signature: (J[BILjava/lang/StringBuffer;)Z
|
|
*/
|
|
jboolean Java_org_rocksdb_RocksDB_keyMayExist__J_3BILjava_lang_StringBuffer_2(
|
|
JNIEnv* env, jobject jdb, jlong jread_options_handle,
|
|
jbyteArray jkey, jint jkey_len, jobject jstring_buffer) {
|
|
rocksdb::DB* db = rocksdb::RocksDBJni::getHandle(env, jdb);
|
|
auto& read_options = *reinterpret_cast<rocksdb::ReadOptions*>(
|
|
jread_options_handle);
|
|
return key_may_exist_helper(env, db, read_options,
|
|
nullptr, jkey, jkey_len, jstring_buffer);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: keyMayExist
|
|
* Signature: (J[BIJLjava/lang/StringBuffer;)Z
|
|
*/
|
|
jboolean Java_org_rocksdb_RocksDB_keyMayExist__J_3BIJLjava_lang_StringBuffer_2(
|
|
JNIEnv* env, jobject jdb, jlong jread_options_handle,
|
|
jbyteArray jkey, jint jkey_len, jlong jcf_handle, jobject jstring_buffer) {
|
|
rocksdb::DB* db = rocksdb::RocksDBJni::getHandle(env, jdb);
|
|
auto& read_options = *reinterpret_cast<rocksdb::ReadOptions*>(
|
|
jread_options_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(
|
|
jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
return key_may_exist_helper(env, db, read_options, cf_handle,
|
|
jkey, jkey_len, jstring_buffer);
|
|
} else {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env,
|
|
rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
|
|
}
|
|
return true;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// rocksdb::DB::Get
|
|
|
|
jbyteArray rocksdb_get_helper(
|
|
JNIEnv* env, rocksdb::DB* db, const rocksdb::ReadOptions& read_opt,
|
|
rocksdb::ColumnFamilyHandle* column_family_handle, jbyteArray jkey,
|
|
jint jkey_len) {
|
|
jboolean isCopy;
|
|
jbyte* key = env->GetByteArrayElements(jkey, &isCopy);
|
|
rocksdb::Slice key_slice(
|
|
reinterpret_cast<char*>(key), jkey_len);
|
|
|
|
std::string value;
|
|
rocksdb::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);
|
|
}
|
|
|
|
// trigger java unref on key.
|
|
// 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.IsNotFound()) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (s.ok()) {
|
|
jbyteArray jret_value = env->NewByteArray(static_cast<jsize>(value.size()));
|
|
env->SetByteArrayRegion(jret_value, 0, static_cast<jsize>(value.size()),
|
|
reinterpret_cast<const jbyte*>(value.c_str()));
|
|
return jret_value;
|
|
}
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (J[BI)[B
|
|
*/
|
|
jbyteArray Java_org_rocksdb_RocksDB_get__J_3BI(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_len) {
|
|
return rocksdb_get_helper(env,
|
|
reinterpret_cast<rocksdb::DB*>(jdb_handle),
|
|
rocksdb::ReadOptions(), nullptr,
|
|
jkey, jkey_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (J[BIJ)[B
|
|
*/
|
|
jbyteArray Java_org_rocksdb_RocksDB_get__J_3BIJ(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_len, jlong jcf_handle) {
|
|
auto db_handle = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
return rocksdb_get_helper(env, db_handle, rocksdb::ReadOptions(),
|
|
cf_handle, jkey, jkey_len);
|
|
} else {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env,
|
|
rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
|
|
// will never be evaluated
|
|
return env->NewByteArray(0);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (JJ[BI)[B
|
|
*/
|
|
jbyteArray Java_org_rocksdb_RocksDB_get__JJ_3BI(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle, jlong jropt_handle,
|
|
jbyteArray jkey, jint jkey_len) {
|
|
return rocksdb_get_helper(env,
|
|
reinterpret_cast<rocksdb::DB*>(jdb_handle),
|
|
*reinterpret_cast<rocksdb::ReadOptions*>(jropt_handle), nullptr,
|
|
jkey, jkey_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (JJ[BIJ)[B
|
|
*/
|
|
jbyteArray Java_org_rocksdb_RocksDB_get__JJ_3BIJ(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle, jlong jropt_handle,
|
|
jbyteArray jkey, jint jkey_len, jlong jcf_handle) {
|
|
auto db_handle = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto& ro_opt = *reinterpret_cast<rocksdb::ReadOptions*>(jropt_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
return rocksdb_get_helper(env, db_handle, ro_opt, cf_handle,
|
|
jkey, jkey_len);
|
|
} else {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env,
|
|
rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
|
|
// will never be evaluated
|
|
return env->NewByteArray(0);
|
|
}
|
|
}
|
|
|
|
jint rocksdb_get_helper(
|
|
JNIEnv* env, rocksdb::DB* db, const rocksdb::ReadOptions& read_options,
|
|
rocksdb::ColumnFamilyHandle* column_family_handle, jbyteArray jkey,
|
|
jint jkey_len, jbyteArray jentry_value, jint jentry_value_len) {
|
|
static const int kNotFound = -1;
|
|
static const int kStatusError = -2;
|
|
|
|
jbyte* key = env->GetByteArrayElements(jkey, 0);
|
|
rocksdb::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::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);
|
|
}
|
|
|
|
// trigger java unref on key.
|
|
// 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.IsNotFound()) {
|
|
return kNotFound;
|
|
} else if (!s.ok()) {
|
|
// 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::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;
|
|
}
|
|
|
|
int cvalue_len = static_cast<int>(cvalue.size());
|
|
int length = std::min(jentry_value_len, cvalue_len);
|
|
|
|
env->SetByteArrayRegion(
|
|
jentry_value, 0, length,
|
|
reinterpret_cast<const jbyte*>(cvalue.c_str()));
|
|
return cvalue_len;
|
|
}
|
|
|
|
// cf multi get
|
|
jobject multi_get_helper(JNIEnv* env, jobject jdb, rocksdb::DB* db,
|
|
const rocksdb::ReadOptions& rOpt, jobject jkey_list, jint jkeys_count,
|
|
jobject jcfhandle_list) {
|
|
std::vector<rocksdb::Slice> keys;
|
|
std::vector<jbyte*> keys_to_free;
|
|
std::vector<rocksdb::ColumnFamilyHandle*> cf_handles;
|
|
|
|
if (jcfhandle_list != nullptr) {
|
|
// get cf iterator
|
|
jobject cfIteratorObj = env->CallObjectMethod(
|
|
jcfhandle_list, rocksdb::ListJni::getIteratorMethod(env));
|
|
|
|
// iterate over keys and convert java byte array to slice
|
|
while (env->CallBooleanMethod(
|
|
cfIteratorObj, rocksdb::ListJni::getHasNextMethod(env)) == JNI_TRUE) {
|
|
jobject jobj = (jbyteArray) env->CallObjectMethod(
|
|
cfIteratorObj, rocksdb::ListJni::getNextMethod(env));
|
|
rocksdb::ColumnFamilyHandle* cfHandle =
|
|
rocksdb::ColumnFamilyHandleJni::getHandle(env, jobj);
|
|
cf_handles.push_back(cfHandle);
|
|
}
|
|
}
|
|
|
|
// Process key list
|
|
// get iterator
|
|
jobject iteratorObj = env->CallObjectMethod(
|
|
jkey_list, rocksdb::ListJni::getIteratorMethod(env));
|
|
|
|
// iterate over keys and convert java byte array to slice
|
|
while (env->CallBooleanMethod(
|
|
iteratorObj, rocksdb::ListJni::getHasNextMethod(env)) == JNI_TRUE) {
|
|
jbyteArray jkey = (jbyteArray) env->CallObjectMethod(
|
|
iteratorObj, rocksdb::ListJni::getNextMethod(env));
|
|
jint key_length = env->GetArrayLength(jkey);
|
|
|
|
jbyte* key = new jbyte[key_length];
|
|
env->GetByteArrayRegion(jkey, 0, key_length, key);
|
|
// store allocated jbyte to free it after multiGet call
|
|
keys_to_free.push_back(key);
|
|
|
|
rocksdb::Slice key_slice(
|
|
reinterpret_cast<char*>(key), key_length);
|
|
keys.push_back(key_slice);
|
|
}
|
|
|
|
std::vector<std::string> values;
|
|
std::vector<rocksdb::Status> s;
|
|
if (cf_handles.size() == 0) {
|
|
s = db->MultiGet(rOpt, keys, &values);
|
|
} else {
|
|
s = db->MultiGet(rOpt, cf_handles, keys, &values);
|
|
}
|
|
|
|
// Don't reuse class pointer
|
|
jclass jclazz = env->FindClass("java/util/ArrayList");
|
|
jmethodID mid = rocksdb::ListJni::getArrayListConstructorMethodId(
|
|
env, jclazz);
|
|
jobject jvalue_list = env->NewObject(jclazz, mid, jkeys_count);
|
|
|
|
// insert in java list
|
|
for (std::vector<rocksdb::Status>::size_type i = 0; i != s.size(); i++) {
|
|
if (s[i].ok()) {
|
|
jbyteArray jentry_value =
|
|
env->NewByteArray(static_cast<jsize>(values[i].size()));
|
|
env->SetByteArrayRegion(
|
|
jentry_value, 0, static_cast<jsize>(values[i].size()),
|
|
reinterpret_cast<const jbyte*>(values[i].c_str()));
|
|
env->CallBooleanMethod(
|
|
jvalue_list, rocksdb::ListJni::getListAddMethodId(env),
|
|
jentry_value);
|
|
} else {
|
|
env->CallBooleanMethod(
|
|
jvalue_list, rocksdb::ListJni::getListAddMethodId(env), nullptr);
|
|
}
|
|
}
|
|
// free up allocated byte arrays
|
|
for (std::vector<jbyte*>::size_type i = 0; i != keys_to_free.size(); i++) {
|
|
delete[] keys_to_free[i];
|
|
}
|
|
keys_to_free.clear();
|
|
return jvalue_list;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: multiGet
|
|
* Signature: (JLjava/util/List;I)Ljava/util/List;
|
|
*/
|
|
jobject Java_org_rocksdb_RocksDB_multiGet__JLjava_util_List_2I(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jobject jkey_list, jint jkeys_count) {
|
|
return multi_get_helper(env, jdb, reinterpret_cast<rocksdb::DB*>(jdb_handle),
|
|
rocksdb::ReadOptions(), jkey_list, jkeys_count, nullptr);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: multiGet
|
|
* Signature: (JLjava/util/List;ILjava/util/List;)Ljava/util/List;
|
|
*/
|
|
jobject
|
|
Java_org_rocksdb_RocksDB_multiGet__JLjava_util_List_2ILjava_util_List_2(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jobject jkey_list, jint jkeys_count, jobject jcfhandle_list) {
|
|
return multi_get_helper(env, jdb, reinterpret_cast<rocksdb::DB*>(jdb_handle),
|
|
rocksdb::ReadOptions(), jkey_list, jkeys_count, jcfhandle_list);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: multiGet
|
|
* Signature: (JJLjava/util/List;I)Ljava/util/List;
|
|
*/
|
|
jobject Java_org_rocksdb_RocksDB_multiGet__JJLjava_util_List_2I(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jlong jropt_handle, jobject jkey_list, jint jkeys_count) {
|
|
return multi_get_helper(env, jdb, reinterpret_cast<rocksdb::DB*>(jdb_handle),
|
|
*reinterpret_cast<rocksdb::ReadOptions*>(jropt_handle), jkey_list,
|
|
jkeys_count, nullptr);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: multiGet
|
|
* Signature: (JJLjava/util/List;ILjava/util/List;)Ljava/util/List;
|
|
*/
|
|
jobject
|
|
Java_org_rocksdb_RocksDB_multiGet__JJLjava_util_List_2ILjava_util_List_2(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jlong jropt_handle, jobject jkey_list, jint jkeys_count,
|
|
jobject jcfhandle_list) {
|
|
return multi_get_helper(env, jdb, reinterpret_cast<rocksdb::DB*>(jdb_handle),
|
|
*reinterpret_cast<rocksdb::ReadOptions*>(jropt_handle), jkey_list,
|
|
jkeys_count, jcfhandle_list);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (J[BI[BI)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_get__J_3BI_3BI(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_len,
|
|
jbyteArray jentry_value, jint jentry_value_len) {
|
|
return rocksdb_get_helper(env,
|
|
reinterpret_cast<rocksdb::DB*>(jdb_handle),
|
|
rocksdb::ReadOptions(), nullptr,
|
|
jkey, jkey_len, jentry_value, jentry_value_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (J[BI[BIJ)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_get__J_3BI_3BIJ(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_len,
|
|
jbyteArray jentry_value, jint jentry_value_len, jlong jcf_handle) {
|
|
auto db_handle = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
return rocksdb_get_helper(env, db_handle, rocksdb::ReadOptions(), cf_handle,
|
|
jkey, jkey_len, jentry_value, jentry_value_len);
|
|
} else {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env,
|
|
rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
|
|
// will never be evaluated
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (JJ[BI[BI)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_get__JJ_3BI_3BI(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle, jlong jropt_handle,
|
|
jbyteArray jkey, jint jkey_len,
|
|
jbyteArray jentry_value, jint jentry_value_len) {
|
|
return rocksdb_get_helper(env,
|
|
reinterpret_cast<rocksdb::DB*>(jdb_handle),
|
|
*reinterpret_cast<rocksdb::ReadOptions*>(jropt_handle),
|
|
nullptr, jkey, jkey_len, jentry_value, jentry_value_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: get
|
|
* Signature: (JJ[BI[BIJ)I
|
|
*/
|
|
jint Java_org_rocksdb_RocksDB_get__JJ_3BI_3BIJ(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle, jlong jropt_handle,
|
|
jbyteArray jkey, jint jkey_len,
|
|
jbyteArray jentry_value, jint jentry_value_len, jlong jcf_handle) {
|
|
auto db_handle = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto& ro_opt = *reinterpret_cast<rocksdb::ReadOptions*>(jropt_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
return rocksdb_get_helper(env, db_handle, ro_opt, cf_handle, jkey,
|
|
jkey_len, jentry_value, jentry_value_len);
|
|
} else {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env,
|
|
rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
|
|
// will never be evaluated
|
|
return 0;
|
|
}
|
|
}
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// rocksdb::DB::Delete()
|
|
void rocksdb_remove_helper(
|
|
JNIEnv* env, rocksdb::DB* db, const rocksdb::WriteOptions& write_options,
|
|
rocksdb::ColumnFamilyHandle* cf_handle, jbyteArray jkey, jint jkey_len) {
|
|
jbyte* key = env->GetByteArrayElements(jkey, 0);
|
|
rocksdb::Slice key_slice(reinterpret_cast<char*>(key), jkey_len);
|
|
|
|
rocksdb::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);
|
|
}
|
|
// 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()) {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: remove
|
|
* Signature: (J[BI)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_remove__J_3BI(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_len) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
static const rocksdb::WriteOptions default_write_options =
|
|
rocksdb::WriteOptions();
|
|
rocksdb_remove_helper(env, db, default_write_options, nullptr,
|
|
jkey, jkey_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: remove
|
|
* Signature: (J[BIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_remove__J_3BIJ(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_len, jlong jcf_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
static const rocksdb::WriteOptions default_write_options =
|
|
rocksdb::WriteOptions();
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_remove_helper(env, db, default_write_options, cf_handle,
|
|
jkey, jkey_len);
|
|
} else {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env,
|
|
rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: remove
|
|
* Signature: (JJ[BIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_remove__JJ_3BI(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jlong jwrite_options, jbyteArray jkey, jint jkey_len) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto write_options = reinterpret_cast<rocksdb::WriteOptions*>(jwrite_options);
|
|
rocksdb_remove_helper(env, db, *write_options, nullptr, jkey, jkey_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: remove
|
|
* Signature: (JJ[BIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_remove__JJ_3BIJ(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jlong jwrite_options, jbyteArray jkey, jint jkey_len,
|
|
jlong jcf_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto write_options = reinterpret_cast<rocksdb::WriteOptions*>(jwrite_options);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_remove_helper(env, db, *write_options, cf_handle, jkey, jkey_len);
|
|
} else {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env,
|
|
rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// rocksdb::DB::Merge
|
|
|
|
void rocksdb_merge_helper(
|
|
JNIEnv* env, rocksdb::DB* db, const rocksdb::WriteOptions& write_options,
|
|
rocksdb::ColumnFamilyHandle* cf_handle, jbyteArray jkey, jint jkey_len,
|
|
jbyteArray jentry_value, jint jentry_value_len) {
|
|
|
|
jbyte* key = env->GetByteArrayElements(jkey, 0);
|
|
jbyte* value = env->GetByteArrayElements(jentry_value, 0);
|
|
rocksdb::Slice key_slice(reinterpret_cast<char*>(key), jkey_len);
|
|
rocksdb::Slice value_slice(reinterpret_cast<char*>(value),
|
|
jentry_value_len);
|
|
|
|
rocksdb::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);
|
|
}
|
|
|
|
// 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);
|
|
env->ReleaseByteArrayElements(jentry_value, value, JNI_ABORT);
|
|
|
|
if (s.ok()) {
|
|
return;
|
|
}
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: merge
|
|
* Signature: (J[BI[BI)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_merge__J_3BI_3BI(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_len,
|
|
jbyteArray jentry_value, jint jentry_value_len) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
static const rocksdb::WriteOptions default_write_options =
|
|
rocksdb::WriteOptions();
|
|
|
|
rocksdb_merge_helper(env, db, default_write_options,
|
|
nullptr, jkey, jkey_len, jentry_value, jentry_value_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: merge
|
|
* Signature: (J[BI[BIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_merge__J_3BI_3BIJ(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jbyteArray jkey, jint jkey_len,
|
|
jbyteArray jentry_value, jint jentry_value_len, jlong jcf_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
static const rocksdb::WriteOptions default_write_options =
|
|
rocksdb::WriteOptions();
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_merge_helper(env, db, default_write_options,
|
|
cf_handle, jkey, jkey_len, jentry_value, jentry_value_len);
|
|
} else {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env,
|
|
rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: merge
|
|
* Signature: (JJ[BI[BI)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_merge__JJ_3BI_3BI(
|
|
JNIEnv* env, jobject jdb,
|
|
jlong jdb_handle, jlong jwrite_options_handle,
|
|
jbyteArray jkey, jint jkey_len,
|
|
jbyteArray jentry_value, jint jentry_value_len) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto write_options = reinterpret_cast<rocksdb::WriteOptions*>(
|
|
jwrite_options_handle);
|
|
|
|
rocksdb_merge_helper(env, db, *write_options,
|
|
nullptr, jkey, jkey_len, jentry_value, jentry_value_len);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: merge
|
|
* Signature: (JJ[BI[BIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_merge__JJ_3BI_3BIJ(
|
|
JNIEnv* env, jobject jdb,
|
|
jlong jdb_handle, jlong jwrite_options_handle,
|
|
jbyteArray jkey, jint jkey_len,
|
|
jbyteArray jentry_value, jint jentry_value_len, jlong jcf_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto write_options = reinterpret_cast<rocksdb::WriteOptions*>(
|
|
jwrite_options_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
if (cf_handle != nullptr) {
|
|
rocksdb_merge_helper(env, db, *write_options,
|
|
cf_handle, jkey, jkey_len, jentry_value, jentry_value_len);
|
|
} else {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env,
|
|
rocksdb::Status::InvalidArgument("Invalid ColumnFamilyHandle."));
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// rocksdb::DB::~DB()
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: disposeInternal
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_disposeInternal(
|
|
JNIEnv* env, jobject java_db, jlong jhandle) {
|
|
delete reinterpret_cast<rocksdb::DB*>(jhandle);
|
|
}
|
|
|
|
jlong rocksdb_iterator_helper(
|
|
rocksdb::DB* db, rocksdb::ReadOptions read_options,
|
|
rocksdb::ColumnFamilyHandle* cf_handle) {
|
|
rocksdb::Iterator* iterator = nullptr;
|
|
if (cf_handle != nullptr) {
|
|
iterator = db->NewIterator(read_options, cf_handle);
|
|
} else {
|
|
iterator = db->NewIterator(read_options);
|
|
}
|
|
return reinterpret_cast<jlong>(iterator);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: iterator
|
|
* Signature: (J)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_iterator__J(
|
|
JNIEnv* env, jobject jdb, jlong db_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(db_handle);
|
|
return rocksdb_iterator_helper(db, rocksdb::ReadOptions(),
|
|
nullptr);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: iterator
|
|
* Signature: (JJ)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_iterator__JJ(
|
|
JNIEnv* env, jobject jdb, jlong db_handle,
|
|
jlong jread_options_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(db_handle);
|
|
auto& read_options = *reinterpret_cast<rocksdb::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* env, jobject jdb, jlong db_handle, jlong jcf_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(db_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
return rocksdb_iterator_helper(db, rocksdb::ReadOptions(),
|
|
cf_handle);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: iteratorCF
|
|
* Signature: (JJJ)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_iteratorCF__JJJ(
|
|
JNIEnv* env, jobject jdb, jlong db_handle, jlong jcf_handle,
|
|
jlong jread_options_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(db_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
auto& read_options = *reinterpret_cast<rocksdb::ReadOptions*>(
|
|
jread_options_handle);
|
|
return rocksdb_iterator_helper(db, read_options,
|
|
cf_handle);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: iterators
|
|
* Signature: (JLjava/util/List;J)[J
|
|
*/
|
|
jlongArray Java_org_rocksdb_RocksDB_iterators(
|
|
JNIEnv* env, jobject jdb, jlong db_handle, jobject jcfhandle_list,
|
|
jlong jread_options_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(db_handle);
|
|
auto& read_options = *reinterpret_cast<rocksdb::ReadOptions*>(
|
|
jread_options_handle);
|
|
std::vector<rocksdb::ColumnFamilyHandle*> cf_handles;
|
|
std::vector<rocksdb::Iterator*> iterators;
|
|
|
|
if (jcfhandle_list != nullptr) {
|
|
// get cf iterator
|
|
jobject cfIteratorObj = env->CallObjectMethod(
|
|
jcfhandle_list, rocksdb::ListJni::getIteratorMethod(env));
|
|
|
|
// iterate over keys and convert java byte array to slice
|
|
while (env->CallBooleanMethod(
|
|
cfIteratorObj, rocksdb::ListJni::getHasNextMethod(env)) == JNI_TRUE) {
|
|
jobject jobj = (jbyteArray) env->CallObjectMethod(
|
|
cfIteratorObj, rocksdb::ListJni::getNextMethod(env));
|
|
rocksdb::ColumnFamilyHandle* cfHandle =
|
|
rocksdb::ColumnFamilyHandleJni::getHandle(env, jobj);
|
|
cf_handles.push_back(cfHandle);
|
|
}
|
|
}
|
|
|
|
rocksdb::Status s = db->NewIterators(read_options,
|
|
cf_handles, &iterators);
|
|
if (s.ok()) {
|
|
jlongArray jLongArray =
|
|
env->NewLongArray(static_cast<jsize>(iterators.size()));
|
|
for (std::vector<rocksdb::Iterator*>::size_type i = 0; i < iterators.size();
|
|
i++) {
|
|
env->SetLongArrayRegion(jLongArray, static_cast<jsize>(i), 1,
|
|
reinterpret_cast<const jlong*>(&iterators[i]));
|
|
}
|
|
return jLongArray;
|
|
}
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return env->NewLongArray(0);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getDefaultColumnFamily
|
|
* Signature: (J)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getDefaultColumnFamily(
|
|
JNIEnv* env, jobject jobj, jlong jdb_handle) {
|
|
auto* db_handle = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto* cf_handle = db_handle->DefaultColumnFamily();
|
|
return reinterpret_cast<jlong>(cf_handle);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: createColumnFamily
|
|
* Signature: (JLorg/rocksdb/ColumnFamilyDescriptor;)J;
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_createColumnFamily(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jobject jcf_descriptor) {
|
|
rocksdb::ColumnFamilyHandle* handle;
|
|
auto db_handle = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
|
|
// get ColumnFamilyName
|
|
jbyteArray byteArray = static_cast<jbyteArray>(env->CallObjectMethod(
|
|
jcf_descriptor,
|
|
rocksdb::ColumnFamilyDescriptorJni::getColumnFamilyNameMethod(
|
|
env)));
|
|
// get CF Options
|
|
jobject jcf_opt_obj = env->CallObjectMethod(jcf_descriptor,
|
|
rocksdb::ColumnFamilyDescriptorJni::getColumnFamilyOptionsMethod(
|
|
env));
|
|
rocksdb::ColumnFamilyOptions* cfOptions =
|
|
rocksdb::ColumnFamilyOptionsJni::getHandle(env, jcf_opt_obj);
|
|
|
|
jbyte* cfname = env->GetByteArrayElements(byteArray, 0);
|
|
const int len = env->GetArrayLength(byteArray) + 1;
|
|
char* c_cfname = new char[len];
|
|
memcpy(c_cfname, cfname, len - 1);
|
|
c_cfname[len - 1] = 0;
|
|
|
|
rocksdb::Status s = db_handle->CreateColumnFamily(
|
|
*cfOptions, c_cfname, &handle);
|
|
env->ReleaseByteArrayElements(byteArray, cfname, 0);
|
|
delete[] c_cfname;
|
|
|
|
if (s.ok()) {
|
|
return reinterpret_cast<jlong>(handle);
|
|
}
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: dropColumnFamily
|
|
* Signature: (JJ)V;
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_dropColumnFamily(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle, jlong jcf_handle) {
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
auto db_handle = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
rocksdb::Status s = db_handle->DropColumnFamily(cf_handle);
|
|
if (!s.ok()) {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Method: getSnapshot
|
|
* Signature: (J)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getSnapshot(
|
|
JNIEnv* env, jobject jdb, jlong db_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(db_handle);
|
|
const rocksdb::Snapshot* snapshot = db->GetSnapshot();
|
|
return reinterpret_cast<jlong>(snapshot);
|
|
}
|
|
|
|
/*
|
|
* Method: releaseSnapshot
|
|
* Signature: (JJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_releaseSnapshot(
|
|
JNIEnv* env, jobject jdb, jlong db_handle, jlong snapshot_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(db_handle);
|
|
auto snapshot = reinterpret_cast<rocksdb::Snapshot*>(snapshot_handle);
|
|
db->ReleaseSnapshot(snapshot);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getProperty0
|
|
* Signature: (JLjava/lang/String;I)Ljava/lang/String;
|
|
*/
|
|
jstring Java_org_rocksdb_RocksDB_getProperty0__JLjava_lang_String_2I(
|
|
JNIEnv* env, jobject jdb, jlong db_handle, jstring jproperty,
|
|
jint jproperty_len) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(db_handle);
|
|
|
|
const char* property = env->GetStringUTFChars(jproperty, 0);
|
|
rocksdb::Slice property_slice(property, jproperty_len);
|
|
|
|
std::string property_value;
|
|
bool retCode = db->GetProperty(property_slice, &property_value);
|
|
env->ReleaseStringUTFChars(jproperty, property);
|
|
|
|
if (!retCode) {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, rocksdb::Status::NotFound());
|
|
}
|
|
|
|
return env->NewStringUTF(property_value.data());
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getProperty0
|
|
* Signature: (JJLjava/lang/String;I)Ljava/lang/String;
|
|
*/
|
|
jstring Java_org_rocksdb_RocksDB_getProperty0__JJLjava_lang_String_2I(
|
|
JNIEnv* env, jobject jdb, jlong db_handle, jlong jcf_handle,
|
|
jstring jproperty, jint jproperty_len) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(db_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
|
|
const char* property = env->GetStringUTFChars(jproperty, 0);
|
|
rocksdb::Slice property_slice(property, jproperty_len);
|
|
|
|
std::string property_value;
|
|
bool retCode = db->GetProperty(cf_handle, property_slice, &property_value);
|
|
env->ReleaseStringUTFChars(jproperty, property);
|
|
|
|
if (!retCode) {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, rocksdb::Status::NotFound());
|
|
}
|
|
|
|
return env->NewStringUTF(property_value.data());
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getLongProperty
|
|
* Signature: (JLjava/lang/String;I)L;
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getLongProperty__JLjava_lang_String_2I(
|
|
JNIEnv* env, jobject jdb, jlong db_handle, jstring jproperty,
|
|
jint jproperty_len) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(db_handle);
|
|
|
|
const char* property = env->GetStringUTFChars(jproperty, 0);
|
|
rocksdb::Slice property_slice(property, jproperty_len);
|
|
|
|
uint64_t property_value = 0;
|
|
bool retCode = db->GetIntProperty(property_slice, &property_value);
|
|
env->ReleaseStringUTFChars(jproperty, property);
|
|
|
|
if (!retCode) {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, rocksdb::Status::NotFound());
|
|
}
|
|
return property_value;
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getLongProperty
|
|
* Signature: (JJLjava/lang/String;I)L;
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getLongProperty__JJLjava_lang_String_2I(
|
|
JNIEnv* env, jobject jdb, jlong db_handle, jlong jcf_handle,
|
|
jstring jproperty, jint jproperty_len) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(db_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
|
|
const char* property = env->GetStringUTFChars(jproperty, 0);
|
|
rocksdb::Slice property_slice(property, jproperty_len);
|
|
|
|
uint64_t property_value;
|
|
bool retCode = db->GetIntProperty(cf_handle, property_slice, &property_value);
|
|
env->ReleaseStringUTFChars(jproperty, property);
|
|
|
|
if (!retCode) {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, rocksdb::Status::NotFound());
|
|
}
|
|
return property_value;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// rocksdb::DB::Flush
|
|
|
|
void rocksdb_flush_helper(
|
|
JNIEnv* env, rocksdb::DB* db, const rocksdb::FlushOptions& flush_options,
|
|
rocksdb::ColumnFamilyHandle* column_family_handle) {
|
|
rocksdb::Status s;
|
|
if (column_family_handle != nullptr) {
|
|
s = db->Flush(flush_options, column_family_handle);
|
|
} else {
|
|
s = db->Flush(flush_options);
|
|
}
|
|
if (!s.ok()) {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: flush
|
|
* Signature: (JJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_flush__JJ(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jlong jflush_options) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto flush_options = reinterpret_cast<rocksdb::FlushOptions*>(jflush_options);
|
|
rocksdb_flush_helper(env, db, *flush_options, nullptr);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: flush
|
|
* Signature: (JJJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_flush__JJJ(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jlong jflush_options, jlong jcf_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto flush_options = reinterpret_cast<rocksdb::FlushOptions*>(jflush_options);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
rocksdb_flush_helper(env, db, *flush_options, cf_handle);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// rocksdb::DB::CompactRange - Full
|
|
|
|
void rocksdb_compactrange_helper(JNIEnv* env, rocksdb::DB* db,
|
|
rocksdb::ColumnFamilyHandle* cf_handle, jboolean jreduce_level,
|
|
jint jtarget_level, jint jtarget_path_id) {
|
|
|
|
rocksdb::Status s;
|
|
if (cf_handle != nullptr) {
|
|
s = db->CompactRange(cf_handle, nullptr, nullptr, jreduce_level,
|
|
jtarget_level, static_cast<uint32_t>(jtarget_path_id));
|
|
} else {
|
|
// backwards compatibility
|
|
s = db->CompactRange(nullptr, nullptr, jreduce_level,
|
|
jtarget_level, static_cast<uint32_t>(jtarget_path_id));
|
|
}
|
|
|
|
if (s.ok()) {
|
|
return;
|
|
}
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: compactRange0
|
|
* Signature: (JZII)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_compactRange0__JZII(JNIEnv* env,
|
|
jobject jdb, jlong jdb_handle, jboolean jreduce_level,
|
|
jint jtarget_level, jint jtarget_path_id) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
rocksdb_compactrange_helper(env, db, nullptr, jreduce_level,
|
|
jtarget_level, jtarget_path_id);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: compactRange
|
|
* Signature: (JZIIJ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_compactRange__JZIIJ(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle,
|
|
jboolean jreduce_level, jint jtarget_level,
|
|
jint jtarget_path_id, jlong jcf_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
rocksdb_compactrange_helper(env, db, cf_handle, jreduce_level,
|
|
jtarget_level, jtarget_path_id);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// rocksdb::DB::CompactRange - Range
|
|
|
|
void rocksdb_compactrange_helper(JNIEnv* env, rocksdb::DB* db,
|
|
rocksdb::ColumnFamilyHandle* cf_handle, jbyteArray jbegin, jint jbegin_len,
|
|
jbyteArray jend, jint jend_len, jboolean jreduce_level, jint jtarget_level,
|
|
jint jtarget_path_id) {
|
|
|
|
jbyte* begin = env->GetByteArrayElements(jbegin, 0);
|
|
jbyte* end = env->GetByteArrayElements(jend, 0);
|
|
const rocksdb::Slice begin_slice(reinterpret_cast<char*>(begin), jbegin_len);
|
|
const rocksdb::Slice end_slice(reinterpret_cast<char*>(end), jend_len);
|
|
|
|
rocksdb::Status s;
|
|
if (cf_handle != nullptr) {
|
|
s = db->CompactRange(cf_handle, &begin_slice, &end_slice, jreduce_level,
|
|
jtarget_level, static_cast<uint32_t>(jtarget_path_id));
|
|
} else {
|
|
// backwards compatibility
|
|
s = db->CompactRange(&begin_slice, &end_slice, jreduce_level,
|
|
jtarget_level, static_cast<uint32_t>(jtarget_path_id));
|
|
}
|
|
|
|
env->ReleaseByteArrayElements(jbegin, begin, JNI_ABORT);
|
|
env->ReleaseByteArrayElements(jend, end, JNI_ABORT);
|
|
|
|
if (s.ok()) {
|
|
return;
|
|
}
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: compactRange0
|
|
* Signature: (J[BI[BIZII)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_compactRange0__J_3BI_3BIZII(JNIEnv* env,
|
|
jobject jdb, jlong jdb_handle, jbyteArray jbegin, jint jbegin_len,
|
|
jbyteArray jend, jint jend_len, jboolean jreduce_level,
|
|
jint jtarget_level, jint jtarget_path_id) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
rocksdb_compactrange_helper(env, db, nullptr, jbegin, jbegin_len,
|
|
jend, jend_len, jreduce_level, jtarget_level, jtarget_path_id);
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: compactRange
|
|
* Signature: (JJ[BI[BIZII)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_compactRange__J_3BI_3BIZIIJ(
|
|
JNIEnv* env, jobject jdb, jlong jdb_handle, jbyteArray jbegin,
|
|
jint jbegin_len, jbyteArray jend, jint jend_len,
|
|
jboolean jreduce_level, jint jtarget_level,
|
|
jint jtarget_path_id, jlong jcf_handle) {
|
|
auto db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
auto cf_handle = reinterpret_cast<rocksdb::ColumnFamilyHandle*>(jcf_handle);
|
|
rocksdb_compactrange_helper(env, db, cf_handle, jbegin, jbegin_len,
|
|
jend, jend_len, jreduce_level, jtarget_level, jtarget_path_id);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// rocksdb::DB::GetLatestSequenceNumber
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getLatestSequenceNumber
|
|
* Signature: (J)V
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getLatestSequenceNumber(JNIEnv* env,
|
|
jobject jdb, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
return db->GetLatestSequenceNumber();
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// rocksdb::DB enable/disable file deletions
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: enableFileDeletions
|
|
* Signature: (J)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_disableFileDeletions(JNIEnv* env,
|
|
jobject jdb, jlong jdb_handle) {
|
|
auto* db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
rocksdb::Status s = db->DisableFileDeletions();
|
|
if (!s.ok()) {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: enableFileDeletions
|
|
* Signature: (JZ)V
|
|
*/
|
|
void Java_org_rocksdb_RocksDB_enableFileDeletions(JNIEnv* env,
|
|
jobject jdb, jlong jdb_handle, jboolean jforce) {
|
|
auto* db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
rocksdb::Status s = db->EnableFileDeletions(jforce);
|
|
if (!s.ok()) {
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// rocksdb::DB::GetUpdatesSince
|
|
|
|
/*
|
|
* Class: org_rocksdb_RocksDB
|
|
* Method: getUpdatesSince
|
|
* Signature: (JJ)J
|
|
*/
|
|
jlong Java_org_rocksdb_RocksDB_getUpdatesSince(JNIEnv* env,
|
|
jobject jdb, jlong jdb_handle, jlong jsequence_number) {
|
|
auto* db = reinterpret_cast<rocksdb::DB*>(jdb_handle);
|
|
rocksdb::SequenceNumber sequence_number =
|
|
static_cast<rocksdb::SequenceNumber>(jsequence_number);
|
|
std::unique_ptr<rocksdb::TransactionLogIterator> iter;
|
|
rocksdb::Status s = db->GetUpdatesSince(sequence_number, &iter);
|
|
if (s.ok()) {
|
|
return reinterpret_cast<jlong>(iter.release());
|
|
}
|
|
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
|
|
return 0;
|
|
}
|