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 12namespace syncer { 13namespace 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. 24class 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