chromium/chrome/browser/sync_file_system/drive_backend/leveldb_wrapper.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_LEVELDB_WRAPPER_H_
#define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_LEVELDB_WRAPPER_H_

#include <stdint.h>

#include <map>
#include <memory>
#include <string>

#include "base/memory/raw_ptr.h"
#include "third_party/leveldatabase/src/include/leveldb/slice.h"

namespace leveldb {
class DB;
class Iterator;
class Slice;
class Status;
class WriteBatch;
}

namespace sync_file_system {
namespace drive_backend {

class SliceComparator { … };

// LevelDBWrapper class wraps leveldb::DB and leveldb::WriteBatch to provide
// transparent access to pre-commit data.
// Put() and Delete() update data on memory, and Get() can access to those data
// and also data on disk.  Those data on memory are written down on disk when
// Commit() is called.
class LevelDBWrapper { … };

}  // namespace drive_backend
}  // namespace sync_file_system

#endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_LEVELDB_WRAPPER_H_