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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LevelDBWriteBatch_h
#define LevelDBWriteBatch_h
#if USE(LEVELDB)
#include <wtf/OwnPtr.h>
#include <wtf/PassOwnPtr.h>
namespace leveldb {
class WriteBatch;
}
namespace WebCore {
class LevelDBSlice;
// Wrapper around leveldb::WriteBatch.
// This class holds a collection of updates to apply atomically to a database.
class LevelDBWriteBatch {
public:
static PassOwnPtr<LevelDBWriteBatch> create();
~LevelDBWriteBatch();
void put(const LevelDBSlice& key, const LevelDBSlice& value);
void remove(const LevelDBSlice& key); // Add remove operation to the batch.
void clear();
private:
friend class LevelDBDatabase;
LevelDBWriteBatch();
OwnPtr<leveldb::WriteBatch> m_writeBatch;
};
}
#endif // USE(LEVELDB)
#endif // LevelDBWriteBatch_h
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