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 "sync/base/sync_export.h" 9 #include "sync/syncable/metahandle_set.h" 10 #include "sync/syncable/syncable_base_write_transaction.h" 11 12 namespace syncer { 13 namespace syncable { 14 15 // A transaction used to instantiate Entries or ModelNeutralMutableEntries. 16 // 17 // This allows it to be used when making changes to sync entity properties that 18 // do not need to be kept in sync with the associated native model. 19 // 20 // This class differs internally from WriteTransactions in that it does a less 21 // good job of tracking and reporting on changes to the entries modified within 22 // its scope. This is because its changes do not need to be reported to the 23 // DirectoryChangeDelegate. 24 class SYNC_EXPORT_PRIVATE ModelNeutralWriteTransaction 25 : public BaseWriteTransaction { 26 public: 27 ModelNeutralWriteTransaction( 28 const tracked_objects::Location& location, 29 WriterTag writer, 30 Directory* directory); 31 virtual ~ModelNeutralWriteTransaction(); 32 33 virtual 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_ 45