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1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef SYNC_SYNCABLE_SYNCABLE_MODEL_NEUTRAL_WRITE_TRANSACTION_H_ | |
6 #define SYNC_SYNCABLE_SYNCABLE_MODEL_NEUTRAL_WRITE_TRANSACTION_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "sync/base/sync_export.h" | |
10 #include "sync/syncable/metahandle_set.h" | |
11 #include "sync/syncable/syncable_base_write_transaction.h" | |
12 | |
13 namespace syncer { | |
14 namespace syncable { | |
15 | |
16 // A transaction used to instantiate Entries or ModelNeutralMutableEntries. | |
17 // | |
18 // This allows it to be used when making changes to sync entity properties that | |
19 // do not need to be kept in sync with the associated native model. | |
20 // | |
21 // This class differs internally from WriteTransactions in that it does a less | |
22 // good job of tracking and reporting on changes to the entries modified within | |
23 // its scope. This is because its changes do not need to be reported to the | |
24 // DirectoryChangeDelegate. | |
25 class SYNC_EXPORT ModelNeutralWriteTransaction : public BaseWriteTransaction { | |
26 public: | |
27 ModelNeutralWriteTransaction( | |
28 const tracked_objects::Location& location, | |
29 WriterTag writer, | |
30 Directory* directory); | |
31 ~ModelNeutralWriteTransaction() override; | |
32 | |
33 void TrackChangesTo(const EntryKernel* entry) override; | |
34 | |
35 private: | |
36 MetahandleSet modified_handles_; | |
37 | |
38 DISALLOW_COPY_AND_ASSIGN(ModelNeutralWriteTransaction); | |
39 }; | |
40 | |
41 } // namespace syncable | |
42 } // namespace syncer | |
43 | |
44 #endif // SYNC_SYNCABLE_SYNCABLE_MODEL_NEUTRAL_WRITE_TRANSACTION_H_ | |
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