Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(11)

Side by Side Diff: sync/api/metadata_change_list.h

Issue 1565503003: Use MetadataChangeList and EntityChangeList in SharedModelTypeProcessor (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Added ClearDataTypeState Created 4 years, 11 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « sync/api/entity_change.h ('k') | sync/api/model_type_service.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 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_API_METADATA_CHANGE_LIST_H_ 5 #ifndef SYNC_API_METADATA_CHANGE_LIST_H_
6 #define SYNC_API_METADATA_CHANGE_LIST_H_ 6 #define SYNC_API_METADATA_CHANGE_LIST_H_
7 7
8 #include <string>
9
8 #include "sync/base/sync_export.h" 10 #include "sync/base/sync_export.h"
9 11
12 namespace sync_pb {
13 class EntityMetadata;
14 } // namespace sync_pb
15
10 namespace syncer_v2 { 16 namespace syncer_v2 {
17 struct DataTypeState;
11 18
12 // Interface used by the processor and service to communicate about metadata. 19 // Interface used by the processor and service to communicate about metadata.
20 // The purpose of the interface is to record changes to data type global and
21 // per entity metadata for the purpose of propagating changes to the datatype
22 // specific storage implementation.
23 // The implementation of the interface is supposed to keep the record of all
24 // updated / deleted metadata records and provide a mechanism to enumerate
25 // them. If there are multiple UpdateMetadata / ClearMetadata calls made for the
26 // same metadata record the last one is supposed to win.
13 class SYNC_EXPORT MetadataChangeList { 27 class SYNC_EXPORT MetadataChangeList {
14 public: 28 public:
15 MetadataChangeList() {} 29 MetadataChangeList() {}
16 virtual ~MetadataChangeList() {} 30 virtual ~MetadataChangeList() {}
31
32 // Requests DataTypeState to be updated in the storage.
33 virtual void UpdateDataTypeState(const DataTypeState& data_type_state) = 0;
34
35 // Requests DataTypeState to be cleared from the storage.
36 virtual void ClearDataTypeState() = 0;
37
38 // Requests metadata entry to be updated in the storage.
39 // Please note that the update might contain a deleted entry if
40 // metadata.is_deleted() is true (as opposed to clearing the entry from the
41 // storage completely by calling the Clear method).
42 virtual void UpdateMetadata(const std::string& client_tag,
43 const sync_pb::EntityMetadata& metadata) = 0;
44
45 // Requests metadata entry to be cleared from the storage.
46 virtual void ClearMetadata(const std::string& client_tag) = 0;
17 }; 47 };
18 48
19 } // namespace syncer_v2 49 } // namespace syncer_v2
20 50
21 #endif // SYNC_API_METADATA_CHANGE_LIST_H_ 51 #endif // SYNC_API_METADATA_CHANGE_LIST_H_
OLDNEW
« no previous file with comments | « sync/api/entity_change.h ('k') | sync/api/model_type_service.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698