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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_ITERATOR_H_
#define CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_ITERATOR_H_
#include "base/strings/string_piece.h"
#include "third_party/leveldatabase/src/include/leveldb/status.h"
namespace content {
class LevelDBIterator {
public:
virtual ~LevelDBIterator() {}
virtual bool IsValid() const = 0;
virtual leveldb::Status SeekToLast() = 0;
virtual leveldb::Status Seek(const base::StringPiece& target) = 0;
virtual leveldb::Status Next() = 0;
virtual leveldb::Status Prev() = 0;
virtual base::StringPiece Key() const = 0;
virtual base::StringPiece Value() const = 0;
};
} // namespace content
#endif // CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_ITERATOR_H_
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