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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_ENGINE_COMMIT_CONTRIBUTOR_H_ | 5 #ifndef COMPONENTS_SYNC_ENGINE_IMPL_COMMIT_CONTRIBUTOR_H_ |
6 #define SYNC_ENGINE_COMMIT_CONTRIBUTOR_H_ | 6 #define COMPONENTS_SYNC_ENGINE_IMPL_COMMIT_CONTRIBUTOR_H_ |
7 | 7 |
8 #include <cstddef> | 8 #include <cstddef> |
9 #include <memory> | 9 #include <memory> |
10 | 10 |
11 #include "sync/base/sync_export.h" | 11 #include "components/sync/base/sync_export.h" |
12 | 12 |
13 namespace syncer { | 13 namespace syncer { |
14 | 14 |
15 class CommitContribution; | 15 class CommitContribution; |
16 | 16 |
17 namespace syncable { | 17 namespace syncable { |
18 class Directory; | 18 class Directory; |
19 } | 19 } |
20 | 20 |
21 // This class represents a source of items to commit to the sync server. | 21 // This class represents a source of items to commit to the sync server. |
22 // | 22 // |
23 // When asked, it can return CommitContribution objects that contain a set of | 23 // When asked, it can return CommitContribution objects that contain a set of |
24 // items to be committed from this source. | 24 // items to be committed from this source. |
25 class SYNC_EXPORT CommitContributor { | 25 class SYNC_EXPORT CommitContributor { |
26 public: | 26 public: |
27 CommitContributor(); | 27 CommitContributor(); |
28 virtual ~CommitContributor() = 0; | 28 virtual ~CommitContributor() = 0; |
29 | 29 |
30 // Gathers up to |max_entries| unsynced items from this contributor into a | 30 // Gathers up to |max_entries| unsynced items from this contributor into a |
31 // CommitContribution. Returns NULL when the contributor has nothing to | 31 // CommitContribution. Returns NULL when the contributor has nothing to |
32 // contribute. | 32 // contribute. |
33 virtual std::unique_ptr<CommitContribution> GetContribution( | 33 virtual std::unique_ptr<CommitContribution> GetContribution( |
34 size_t max_entries) = 0; | 34 size_t max_entries) = 0; |
35 }; | 35 }; |
36 | 36 |
37 } // namespace syncer | 37 } // namespace syncer |
38 | 38 |
39 #endif // SYNC_ENGINE_COMMIT_CONTRIBUTOR_H_ | 39 #endif // COMPONENTS_SYNC_ENGINE_IMPL_COMMIT_CONTRIBUTOR_H_ |
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