fdf882ded2
Summary: When dynamically linking two binaries together, different builds of RocksDB from two sources might cause errors. To provide a tool for user to solve the problem, the RocksDB namespace is changed to a flag which can be overridden in build time. Pull Request resolved: https://github.com/facebook/rocksdb/pull/6433 Test Plan: Build release, all and jtest. Try to build with ROCKSDB_NAMESPACE with another flag. Differential Revision: D19977691 fbshipit-source-id: aa7f2d0972e1c31d75339ac48478f34f6cfcfb3e
69 lines
2.3 KiB
C++
69 lines
2.3 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::Checkpoint 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 <string>
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#include "include/org_rocksdb_Checkpoint.h"
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#include "rocksdb/db.h"
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#include "rocksdb/utilities/checkpoint.h"
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#include "rocksjni/portal.h"
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/*
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* Class: org_rocksdb_Checkpoint
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* Method: newCheckpoint
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* Signature: (J)J
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*/
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jlong Java_org_rocksdb_Checkpoint_newCheckpoint(JNIEnv* /*env*/,
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jclass /*jclazz*/,
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jlong jdb_handle) {
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auto* db = reinterpret_cast<ROCKSDB_NAMESPACE::DB*>(jdb_handle);
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ROCKSDB_NAMESPACE::Checkpoint* checkpoint;
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ROCKSDB_NAMESPACE::Checkpoint::Create(db, &checkpoint);
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return reinterpret_cast<jlong>(checkpoint);
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}
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/*
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* Class: org_rocksdb_Checkpoint
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* Method: dispose
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* Signature: (J)V
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*/
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void Java_org_rocksdb_Checkpoint_disposeInternal(JNIEnv* /*env*/,
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jobject /*jobj*/,
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jlong jhandle) {
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auto* checkpoint = reinterpret_cast<ROCKSDB_NAMESPACE::Checkpoint*>(jhandle);
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assert(checkpoint != nullptr);
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delete checkpoint;
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}
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/*
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* Class: org_rocksdb_Checkpoint
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* Method: createCheckpoint
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* Signature: (JLjava/lang/String;)V
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*/
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void Java_org_rocksdb_Checkpoint_createCheckpoint(JNIEnv* env, jobject /*jobj*/,
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jlong jcheckpoint_handle,
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jstring jcheckpoint_path) {
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const char* checkpoint_path = env->GetStringUTFChars(jcheckpoint_path, 0);
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if (checkpoint_path == nullptr) {
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// exception thrown: OutOfMemoryError
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return;
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}
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auto* checkpoint =
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reinterpret_cast<ROCKSDB_NAMESPACE::Checkpoint*>(jcheckpoint_handle);
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ROCKSDB_NAMESPACE::Status s = checkpoint->CreateCheckpoint(checkpoint_path);
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env->ReleaseStringUTFChars(jcheckpoint_path, checkpoint_path);
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if (!s.ok()) {
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ROCKSDB_NAMESPACE::RocksDBExceptionJni::ThrowNew(env, s);
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}
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}
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