Summary: Add a skeleton binding and test for BackupableDB which shows that BackupableDB and RocksDB can share the same JNI calls. Test Plan: make rocksdbjava make jtest Reviewers: haobo, ankgup87, sdong, dhruba Reviewed By: haobo CC: leveldb Differential Revision: https://reviews.facebook.net/D17793
53 lines
1.4 KiB
Java
53 lines
1.4 KiB
Java
// 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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package org.rocksdb;
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/**
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* BackupableDBOptions to control the behavior of a backupable database.
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* It will be used during the creation of a BackupableDB.
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*
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* Note that dispose() must be called before an Options instance
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* become out-of-scope to release the allocated memory in c++.
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*/
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public class BackupableDBOptions {
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public BackupableDBOptions(String path) {
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newBackupableDBOptions(path);
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}
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/**
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* Returns the path to the BackupableDB directory.
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*
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* @return the path to the BackupableDB directory.
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*/
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public String backupDir() {
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assert(isInitialized());
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return backupDir(nativeHandle_);
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}
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/**
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* Release the memory allocated for the current instance
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* in the c++ side.
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*/
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public synchronized void dispose() {
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if (isInitialized()) {
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dispose(nativeHandle_);
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}
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}
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@Override protected void finalize() {
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dispose();
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}
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boolean isInitialized() {
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return nativeHandle_ != 0;
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}
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private native void newBackupableDBOptions(String path);
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private native String backupDir(long handle);
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private native void dispose(long handle);
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long nativeHandle_;
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}
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