80 lines
2.5 KiB
C++
80 lines
2.5 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::Iterator methods from Java side.
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#include <stdio.h>
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#include <stdlib.h>
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#include <jni.h>
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#include "include/org_rocksdb_TransactionLogIterator.h"
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#include "rocksdb/transaction_log.h"
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#include "rocksjni/portal.h"
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/*
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* Class: org_rocksdb_TransactionLogIterator
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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_TransactionLogIterator_disposeInternal(
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JNIEnv* env, jobject jobj, jlong handle) {
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auto* it = reinterpret_cast<rocksdb::TransactionLogIterator*>(handle);
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delete it;
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}
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/*
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* Class: org_rocksdb_TransactionLogIterator
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* Method: isValid
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* Signature: (J)Z
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*/
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jboolean Java_org_rocksdb_TransactionLogIterator_isValid(
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JNIEnv* env, jobject jobj, jlong handle) {
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return reinterpret_cast<rocksdb::TransactionLogIterator*>(handle)->Valid();
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}
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/*
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* Class: org_rocksdb_TransactionLogIterator
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* Method: next
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* Signature: (J)V
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*/
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void Java_org_rocksdb_TransactionLogIterator_next(
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JNIEnv* env, jobject jobj, jlong handle) {
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reinterpret_cast<rocksdb::TransactionLogIterator*>(handle)->Next();
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}
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/*
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* Class: org_rocksdb_TransactionLogIterator
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* Method: status
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* Signature: (J)V
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*/
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void Java_org_rocksdb_TransactionLogIterator_status(
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JNIEnv* env, jobject jobj, jlong handle) {
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rocksdb::Status s = reinterpret_cast<
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rocksdb::TransactionLogIterator*>(handle)->status();
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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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/*
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* Class: org_rocksdb_TransactionLogIterator
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* Method: getBatch
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* Signature: (J)Lorg/rocksdb/TransactionLogIterator$BatchResult
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*/
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jobject Java_org_rocksdb_TransactionLogIterator_getBatch(
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JNIEnv* env, jobject jobj, jlong handle) {
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rocksdb::BatchResult batch_result =
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reinterpret_cast<rocksdb::TransactionLogIterator*>(handle)->GetBatch();
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jclass jclazz = env->FindClass(
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"org/rocksdb/TransactionLogIterator$BatchResult");
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assert(jclazz != nullptr);
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jmethodID mid = env->GetMethodID(
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jclazz, "<init>", "(Lorg/rocksdb/TransactionLogIterator;JJ)V");
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assert(mid != nullptr);
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return env->NewObject(jclazz, mid, jobj,
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batch_result.sequence, batch_result.writeBatchPtr.release());
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}
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