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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_WRITE_BATCH_H_
#define CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_WRITE_BATCH_H_
#include "base/memory/scoped_ptr.h"
namespace leveldb {
class WriteBatch;
}
namespace content {
class LevelDBSlice;
// Wrapper around leveldb::WriteBatch.
// This class holds a collection of updates to apply atomically to a database.
class LevelDBWriteBatch {
public:
static scoped_ptr<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();
scoped_ptr<leveldb::WriteBatch> write_batch_;
};
} // namespace content
#endif // CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_WRITE_BATCH_H_
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