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Side by Side Diff: components/sync/model_impl/processor_entity_tracker.h

Issue 2781863004: [Sync] Implement EstimateMemoryUsage for SharedModelTypeProcessor and ModelTypeWorker (Closed)
Patch Set: Address comments Created 3 years, 8 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 COMPONENTS_SYNC_MODEL_IMPL_PROCESSOR_ENTITY_TRACKER_H_ 5 #ifndef COMPONENTS_SYNC_MODEL_IMPL_PROCESSOR_ENTITY_TRACKER_H_
6 #define COMPONENTS_SYNC_MODEL_IMPL_PROCESSOR_ENTITY_TRACKER_H_ 6 #define COMPONENTS_SYNC_MODEL_IMPL_PROCESSOR_ENTITY_TRACKER_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include <memory> 10 #include <memory>
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115 bool MatchesData(const EntityData& data) const; 115 bool MatchesData(const EntityData& data) const;
116 116
117 // Check whether |data| matches the stored base (shared between client and 117 // Check whether |data| matches the stored base (shared between client and
118 // server) specifics hash. 118 // server) specifics hash.
119 bool MatchesBaseData(const EntityData& data) const; 119 bool MatchesBaseData(const EntityData& data) const;
120 120
121 // Increment sequence number in the metadata. This will also update the 121 // Increment sequence number in the metadata. This will also update the
122 // base_specifics_hash if the entity was not already unsynced. 122 // base_specifics_hash if the entity was not already unsynced.
123 void IncrementSequenceNumber(); 123 void IncrementSequenceNumber();
124 124
125 // Returns the estimate of dynamically allocated memory in bytes.
126 size_t EstimateMemoryUsage() const;
127
125 private: 128 private:
126 friend class ProcessorEntityTrackerTest; 129 friend class ProcessorEntityTrackerTest;
127 130
128 // The constructor swaps the data from the passed metadata. 131 // The constructor swaps the data from the passed metadata.
129 ProcessorEntityTracker(const std::string& storage_key, 132 ProcessorEntityTracker(const std::string& storage_key,
130 sync_pb::EntityMetadata* metadata); 133 sync_pb::EntityMetadata* metadata);
131 134
132 // Check whether |specifics| matches the stored specifics_hash. 135 // Check whether |specifics| matches the stored specifics_hash.
133 bool MatchesSpecificsHash(const sync_pb::EntitySpecifics& specifics) const; 136 bool MatchesSpecificsHash(const sync_pb::EntitySpecifics& specifics) const;
134 137
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145 // The data is reset once commit confirmation is received. 148 // The data is reset once commit confirmation is received.
146 EntityDataPtr commit_data_; 149 EntityDataPtr commit_data_;
147 150
148 // The sequence number of the last item sent to the sync thread. 151 // The sequence number of the last item sent to the sync thread.
149 int64_t commit_requested_sequence_number_; 152 int64_t commit_requested_sequence_number_;
150 }; 153 };
151 154
152 } // namespace syncer 155 } // namespace syncer
153 156
154 #endif // COMPONENTS_SYNC_MODEL_IMPL_PROCESSOR_ENTITY_TRACKER_H_ 157 #endif // COMPONENTS_SYNC_MODEL_IMPL_PROCESSOR_ENTITY_TRACKER_H_
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