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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 COMPONENTS_SYNC_API_DATA_BATCH_H_ | 5 #ifndef COMPONENTS_SYNC_MODEL_DATA_BATCH_H_ |
6 #define COMPONENTS_SYNC_API_DATA_BATCH_H_ | 6 #define COMPONENTS_SYNC_MODEL_DATA_BATCH_H_ |
7 | 7 |
8 #include <algorithm> | 8 #include <algorithm> |
9 #include <memory> | 9 #include <memory> |
10 #include <string> | 10 #include <string> |
11 #include <utility> | 11 #include <utility> |
12 | 12 |
13 #include "components/sync/api/entity_data.h" | 13 #include "components/sync/model/entity_data.h" |
14 | 14 |
15 namespace syncer { | 15 namespace syncer { |
16 | 16 |
17 typedef std::pair<std::string, std::unique_ptr<EntityData>> KeyAndData; | 17 typedef std::pair<std::string, std::unique_ptr<EntityData>> KeyAndData; |
18 | 18 |
19 // Interface used by the processor to read data requested from the service. | 19 // Interface used by the processor to read data requested from the service. |
20 class DataBatch { | 20 class DataBatch { |
21 public: | 21 public: |
22 DataBatch() {} | 22 DataBatch() {} |
23 virtual ~DataBatch() {} | 23 virtual ~DataBatch() {} |
24 | 24 |
25 // Returns if the data batch has another pair or not. | 25 // Returns if the data batch has another pair or not. |
26 virtual bool HasNext() const = 0; | 26 virtual bool HasNext() const = 0; |
27 | 27 |
28 // Returns a pair of storage tag and owned entity data object. Invoking this | 28 // Returns a pair of storage tag and owned entity data object. Invoking this |
29 // method will remove the pair from the batch, and should not be called if | 29 // method will remove the pair from the batch, and should not be called if |
30 // HasNext() returns false. | 30 // HasNext() returns false. |
31 virtual KeyAndData Next() = 0; | 31 virtual KeyAndData Next() = 0; |
32 }; | 32 }; |
33 | 33 |
34 } // namespace syncer | 34 } // namespace syncer |
35 | 35 |
36 #endif // COMPONENTS_SYNC_API_DATA_BATCH_H_ | 36 #endif // COMPONENTS_SYNC_MODEL_DATA_BATCH_H_ |
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