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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_ITERATOR_H_ | 5 #ifndef CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_ITERATOR_H_ |
| 6 #define CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_ITERATOR_H_ | 6 #define CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_ITERATOR_H_ |
| 7 | 7 |
| 8 #include "base/strings/string_piece.h" | 8 #include "base/strings/string_piece.h" |
| 9 #include "third_party/leveldatabase/src/include/leveldb/status.h" |
| 9 | 10 |
| 10 namespace content { | 11 namespace content { |
| 11 | 12 |
| 12 class LevelDBIterator { | 13 class LevelDBIterator { |
| 13 public: | 14 public: |
| 14 virtual ~LevelDBIterator() {} | 15 virtual ~LevelDBIterator() {} |
| 15 virtual bool IsValid() const = 0; | 16 virtual bool IsValid() const = 0; |
| 16 virtual void SeekToLast() = 0; | 17 virtual leveldb::Status SeekToLast() = 0; |
| 17 virtual void Seek(const base::StringPiece& target) = 0; | 18 virtual leveldb::Status Seek(const base::StringPiece& target) = 0; |
| 18 virtual void Next() = 0; | 19 virtual leveldb::Status Next() = 0; |
| 19 virtual void Prev() = 0; | 20 virtual leveldb::Status Prev() = 0; |
| 20 virtual base::StringPiece Key() const = 0; | 21 virtual base::StringPiece Key() const = 0; |
| 21 virtual base::StringPiece Value() const = 0; | 22 virtual base::StringPiece Value() const = 0; |
| 22 }; | 23 }; |
| 23 | 24 |
| 24 } // namespace content | 25 } // namespace content |
| 25 | 26 |
| 26 #endif // CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_ITERATOR_H_ | 27 #endif // CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_ITERATOR_H_ |
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