1 // Copyright 2012 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_MUTABLE_ENTRY_H_ 6 #define SYNC_SYNCABLE_MUTABLE_ENTRY_H_ 7 8 #include "sync/base/sync_export.h" 9 #include "sync/internal_api/public/base/model_type.h" 10 #include "sync/syncable/entry.h" 11 #include "sync/syncable/metahandle_set.h" 12 #include "sync/syncable/model_neutral_mutable_entry.h" 13 14 namespace syncer { 15 class WriteNode; 16 17 namespace syncable { 18 19 enum Create { 20 CREATE 21 }; 22 23 class WriteTransaction; 24 25 // A mutable meta entry. Changes get committed to the database when the 26 // WriteTransaction is destroyed. 27 class SYNC_EXPORT_PRIVATE MutableEntry : public ModelNeutralMutableEntry { 28 void Init(WriteTransaction* trans, ModelType model_type, 29 const Id& parent_id, const std::string& name); 30 31 public: 32 MutableEntry(WriteTransaction* trans, CreateNewUpdateItem, const Id& id); 33 MutableEntry(WriteTransaction* trans, Create, ModelType model_type, 34 const Id& parent_id, const std::string& name); 35 MutableEntry(WriteTransaction* trans, GetByHandle, int64); 36 MutableEntry(WriteTransaction* trans, GetById, const Id&); 37 MutableEntry(WriteTransaction* trans, GetByClientTag, const std::string& tag); 38 MutableEntry(WriteTransaction* trans, GetByServerTag, const std::string& tag); 39 40 inline WriteTransaction* write_transaction() const { 41 return write_transaction_; 42 } 43 44 // Model-changing setters. These setters make user-visible changes that will 45 // need to be communicated either to the local model or the sync server. 46 void PutLocalExternalId(int64 value); 47 void PutMtime(base::Time value); 48 void PutCtime(base::Time value); 49 void PutParentId(const Id& value); 50 void PutIsDir(bool value); 51 void PutIsDel(bool value); 52 void PutNonUniqueName(const std::string& value); 53 void PutSpecifics(const sync_pb::EntitySpecifics& value); 54 void PutUniquePosition(const UniquePosition& value); 55 56 // Sets the position of this item, and updates the entry kernels of the 57 // adjacent siblings so that list invariants are maintained. Returns false 58 // and fails if |predecessor_id| does not identify a sibling. Pass the root 59 // ID to put the node in first position. 60 bool PutPredecessor(const Id& predecessor_id); 61 62 private: 63 // Kind of redundant. We should reduce the number of pointers 64 // floating around if at all possible. Could we store this in Directory? 65 // Scope: Set on construction, never changed after that. 66 WriteTransaction* const write_transaction_; 67 68 DISALLOW_COPY_AND_ASSIGN(MutableEntry); 69 }; 70 71 // This function sets only the flags needed to get this entry to sync. 72 bool MarkForSyncing(syncable::MutableEntry* e); 73 74 } // namespace syncable 75 } // namespace syncer 76 77 #endif // SYNC_SYNCABLE_MUTABLE_ENTRY_H_ 78
