Revision 4ab4049f279f2622f4343d12aaf0a6caa68c4ca7 authored by Adam Retter on 31 March 2017, 16:59:02 UTC, committed by Facebook Github Bot on 31 March 2017, 17:09:21 UTC
Summary: Closes https://github.com/facebook/rocksdb/issues/2068 Closes https://github.com/facebook/rocksdb/pull/2072 Differential Revision: D4810855 Pulled By: ajkr fbshipit-source-id: 288ddb9
1 parent 4e00650
sst_file_writerjni.cc
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
// This file implements the "bridge" between Java and C++ and enables
// calling c++ rocksdb::BackupableDB and rocksdb::BackupableDBOptions methods
// from Java side.
#include <jni.h>
#include <string>
#include "include/org_rocksdb_SstFileWriter.h"
#include "rocksdb/comparator.h"
#include "rocksdb/env.h"
#include "rocksdb/options.h"
#include "rocksdb/sst_file_writer.h"
#include "rocksjni/portal.h"
/*
* Class: org_rocksdb_SstFileWriter
* Method: newSstFileWriter
* Signature: (JJJ)J
*/
jlong Java_org_rocksdb_SstFileWriter_newSstFileWriter__JJJ(JNIEnv *env, jclass jcls,
jlong jenvoptions,
jlong joptions,
jlong jcomparator) {
auto *env_options =
reinterpret_cast<const rocksdb::EnvOptions *>(jenvoptions);
auto *options = reinterpret_cast<const rocksdb::Options *>(joptions);
auto *comparator = reinterpret_cast<const rocksdb::Comparator *>(jcomparator);
rocksdb::SstFileWriter *sst_file_writer =
new rocksdb::SstFileWriter(*env_options, *options, comparator);
return reinterpret_cast<jlong>(sst_file_writer);
}
/*
* Class: org_rocksdb_SstFileWriter
* Method: newSstFileWriter
* Signature: (JJ)J
*/
jlong Java_org_rocksdb_SstFileWriter_newSstFileWriter__JJ(JNIEnv *env, jclass jcls,
jlong jenvoptions,
jlong joptions) {
auto *env_options =
reinterpret_cast<const rocksdb::EnvOptions *>(jenvoptions);
auto *options = reinterpret_cast<const rocksdb::Options *>(joptions);
rocksdb::SstFileWriter *sst_file_writer =
new rocksdb::SstFileWriter(*env_options, *options);
return reinterpret_cast<jlong>(sst_file_writer);
}
/*
* Class: org_rocksdb_SstFileWriter
* Method: open
* Signature: (JLjava/lang/String;)V
*/
void Java_org_rocksdb_SstFileWriter_open(JNIEnv *env, jobject jobj,
jlong jhandle, jstring jfile_path) {
const char *file_path = env->GetStringUTFChars(jfile_path, nullptr);
if(file_path == nullptr) {
// exception thrown: OutOfMemoryError
return;
}
rocksdb::Status s =
reinterpret_cast<rocksdb::SstFileWriter *>(jhandle)->Open(file_path);
env->ReleaseStringUTFChars(jfile_path, file_path);
if (!s.ok()) {
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
}
}
/*
* Class: org_rocksdb_SstFileWriter
* Method: add
* Signature: (JJJ)V
*/
void Java_org_rocksdb_SstFileWriter_add(JNIEnv *env, jobject jobj,
jlong jhandle, jlong jkey_handle,
jlong jvalue_handle) {
auto *key_slice = reinterpret_cast<rocksdb::Slice *>(jkey_handle);
auto *value_slice = reinterpret_cast<rocksdb::Slice *>(jvalue_handle);
rocksdb::Status s =
reinterpret_cast<rocksdb::SstFileWriter *>(jhandle)->Add(*key_slice,
*value_slice);
if (!s.ok()) {
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
}
}
/*
* Class: org_rocksdb_SstFileWriter
* Method: finish
* Signature: (J)V
*/
void Java_org_rocksdb_SstFileWriter_finish(JNIEnv *env, jobject jobj,
jlong jhandle) {
rocksdb::Status s =
reinterpret_cast<rocksdb::SstFileWriter *>(jhandle)->Finish();
if (!s.ok()) {
rocksdb::RocksDBExceptionJni::ThrowNew(env, s);
}
}
/*
* Class: org_rocksdb_SstFileWriter
* Method: disposeInternal
* Signature: (J)V
*/
void Java_org_rocksdb_SstFileWriter_disposeInternal(JNIEnv *env, jobject jobj,
jlong jhandle) {
delete reinterpret_cast<rocksdb::SstFileWriter *>(jhandle);
}
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