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

Issue 2130453004: [Sync] Move //sync to //components/sync. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase. Created 4 years, 4 months ago
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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
3 // found in the LICENSE file.
4
5 #ifndef SYNC_API_METADATA_BATCH_H_
6 #define SYNC_API_METADATA_BATCH_H_
7
8 #include <map>
9 #include <string>
10
11 #include "sync/base/sync_export.h"
12 #include "sync/protocol/data_type_state.pb.h"
13 #include "sync/protocol/entity_metadata.pb.h"
14
15 namespace syncer_v2 {
16
17 // Map of client tag to EntityMetadata proto.
18 typedef std::map<std::string, sync_pb::EntityMetadata> EntityMetadataMap;
19
20 // Container used to pass sync metadata from services to their processor.
21 class SYNC_EXPORT MetadataBatch {
22 public:
23 MetadataBatch();
24 virtual ~MetadataBatch();
25
26 // Allows the caller to take ownership of the entire metadata map. This is
27 // done because the caller will probably swap out all the EntityMetadata
28 // protos from the map for performance reasons.
29 EntityMetadataMap&& TakeAllMetadata();
30
31 // Add |metadata| for |client_tag| to the batch.
32 void AddMetadata(const std::string& client_tag,
33 const sync_pb::EntityMetadata& metadata);
34
35 // Get the DataTypeState for this batch.
36 const sync_pb::DataTypeState& GetDataTypeState() const;
37
38 // Set the DataTypeState for this batch.
39 void SetDataTypeState(const sync_pb::DataTypeState& state);
40
41 private:
42 EntityMetadataMap metadata_map_;
43 sync_pb::DataTypeState state_;
44 };
45
46 } // namespace syncer_v2
47
48 #endif // SYNC_API_METADATA_BATCH_H_
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