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Side by Side Diff: components/sync/api/data_batch.h

Issue 2130453004: [Sync] Move //sync to //components/sync. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase. Created 4 years, 4 months ago
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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 SYNC_API_DATA_BATCH_H_ 5 #ifndef COMPONENTS_SYNC_API_DATA_BATCH_H_
6 #define SYNC_API_DATA_BATCH_H_ 6 #define COMPONENTS_SYNC_API_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 "sync/api/entity_data.h" 13 #include "components/sync/api/entity_data.h"
14 #include "sync/base/sync_export.h" 14 #include "components/sync/base/sync_export.h"
15 15
16 namespace syncer_v2 { 16 namespace syncer_v2 {
17 17
18 typedef std::pair<std::string, std::unique_ptr<EntityData>> TagAndData; 18 typedef std::pair<std::string, std::unique_ptr<EntityData>> TagAndData;
19 19
20 // Interface used by the processor to read data requested from the service. 20 // Interface used by the processor to read data requested from the service.
21 class SYNC_EXPORT DataBatch { 21 class SYNC_EXPORT DataBatch {
22 public: 22 public:
23 DataBatch() {} 23 DataBatch() {}
24 virtual ~DataBatch() {} 24 virtual ~DataBatch() {}
25 25
26 // Returns if the data batch has another pair or not. 26 // Returns if the data batch has another pair or not.
27 virtual bool HasNext() const = 0; 27 virtual bool HasNext() const = 0;
28 28
29 // Returns a pair of storage tag and owned entity data object. Invoking this 29 // Returns a pair of storage tag and owned entity data object. Invoking this
30 // method will remove the pair from the batch, and should not be called if 30 // method will remove the pair from the batch, and should not be called if
31 // HasNext() returns false. 31 // HasNext() returns false.
32 virtual TagAndData Next() = 0; 32 virtual TagAndData Next() = 0;
33 }; 33 };
34 34
35 } // namespace syncer_v2 35 } // namespace syncer_v2
36 36
37 #endif // SYNC_API_DATA_BATCH_H_ 37 #endif // COMPONENTS_SYNC_API_DATA_BATCH_H_
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