| // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. |
| // This source code is licensed under both the GPLv2 (found in the |
| // COPYING file in the root directory) and Apache 2.0 License |
| // (found in the LICENSE.Apache file in the root directory). |
| |
| package org.rocksdb; |
| |
| /** |
| * Snapshot of database |
| */ |
| public class Snapshot extends RocksObject { |
| Snapshot(final long nativeHandle) { |
| super(nativeHandle); |
| } |
| |
| /** |
| * Return the associated sequence number; |
| * |
| * @return the associated sequence number of |
| * this snapshot. |
| */ |
| public long getSequenceNumber() { |
| assert(isOwningHandle()); |
| return getSequenceNumber(nativeHandle_); |
| } |
| |
| /** |
| * Dont release C++ Snapshot pointer. The pointer |
| * to the snapshot is released by the database |
| * instance. |
| */ |
| @Override |
| protected final void disposeInternal(final long handle) { |
| } |
| |
| private native long getSequenceNumber(long handle); |
| } |