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Side by Side Diff: components/sync/engine/model_safe_worker.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 2012 The Chromium Authors. All rights reserved. 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 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_INTERNAL_API_PUBLIC_ENGINE_MODEL_SAFE_WORKER_H_ 5 #ifndef COMPONENTS_SYNC_ENGINE_MODEL_SAFE_WORKER_H_
6 #define SYNC_INTERNAL_API_PUBLIC_ENGINE_MODEL_SAFE_WORKER_H_ 6 #define COMPONENTS_SYNC_ENGINE_MODEL_SAFE_WORKER_H_
7 7
8 #include <map> 8 #include <map>
9 #include <memory> 9 #include <memory>
10 #include <string> 10 #include <string>
11 #include <vector> 11 #include <vector>
12 12
13 #include "base/callback.h" 13 #include "base/callback.h"
14 #include "base/memory/ref_counted.h" 14 #include "base/memory/ref_counted.h"
15 #include "base/message_loop/message_loop.h" 15 #include "base/message_loop/message_loop.h"
16 #include "base/single_thread_task_runner.h" 16 #include "base/single_thread_task_runner.h"
17 #include "base/synchronization/lock.h" 17 #include "base/synchronization/lock.h"
18 #include "base/synchronization/waitable_event.h" 18 #include "base/synchronization/waitable_event.h"
19 #include "sync/base/sync_export.h" 19 #include "components/sync/base/model_type.h"
20 #include "sync/internal_api/public/base/model_type.h" 20 #include "components/sync/base/sync_export.h"
21 #include "sync/internal_api/public/util/syncer_error.h" 21 #include "components/sync/base/syncer_error.h"
22 22
23 namespace base { 23 namespace base {
24 class DictionaryValue; 24 class DictionaryValue;
25 } // namespace base 25 } // namespace base
26 26
27 namespace syncer { 27 namespace syncer {
28 28
29 // TODO(akalin): Move the non-exported functions in this file to a 29 // TODO(akalin): Move the non-exported functions in this file to a
30 // private header. 30 // private header.
31 31
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98 98
99 protected: 99 protected:
100 explicit ModelSafeWorker(WorkerLoopDestructionObserver* observer); 100 explicit ModelSafeWorker(WorkerLoopDestructionObserver* observer);
101 ~ModelSafeWorker() override; 101 ~ModelSafeWorker() override;
102 102
103 // Any time the Syncer performs model modifications (e.g employing a 103 // Any time the Syncer performs model modifications (e.g employing a
104 // WriteTransaction), it should be done by this method to ensure it is done 104 // WriteTransaction), it should be done by this method to ensure it is done
105 // from a model-safe thread. 105 // from a model-safe thread.
106 virtual SyncerError DoWorkAndWaitUntilDoneImpl(const WorkCallback& work) = 0; 106 virtual SyncerError DoWorkAndWaitUntilDoneImpl(const WorkCallback& work) = 0;
107 107
108 base::WaitableEvent* work_done_or_stopped() { 108 base::WaitableEvent* work_done_or_stopped() { return &work_done_or_stopped_; }
109 return &work_done_or_stopped_;
110 }
111 109
112 // Return true if the worker was stopped. Thread safe. 110 // Return true if the worker was stopped. Thread safe.
113 bool IsStopped(); 111 bool IsStopped();
114 112
115 // Subclass should call this in RegisterForLoopDestruction() from the loop 113 // Subclass should call this in RegisterForLoopDestruction() from the loop
116 // where work is done. 114 // where work is done.
117 void SetWorkingLoopToCurrent(); 115 void SetWorkingLoopToCurrent();
118 116
119 private: 117 private:
120 friend class base::RefCountedThreadSafe<ModelSafeWorker>; 118 friend class base::RefCountedThreadSafe<ModelSafeWorker>;
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152 // disabling sync for certain types, as well as model association completions. 150 // disabling sync for certain types, as well as model association completions.
153 typedef std::map<ModelType, ModelSafeGroup> ModelSafeRoutingInfo; 151 typedef std::map<ModelType, ModelSafeGroup> ModelSafeRoutingInfo;
154 152
155 // Caller takes ownership of return value. 153 // Caller takes ownership of return value.
156 SYNC_EXPORT std::unique_ptr<base::DictionaryValue> ModelSafeRoutingInfoToValue( 154 SYNC_EXPORT std::unique_ptr<base::DictionaryValue> ModelSafeRoutingInfoToValue(
157 const ModelSafeRoutingInfo& routing_info); 155 const ModelSafeRoutingInfo& routing_info);
158 156
159 SYNC_EXPORT std::string ModelSafeRoutingInfoToString( 157 SYNC_EXPORT std::string ModelSafeRoutingInfoToString(
160 const ModelSafeRoutingInfo& routing_info); 158 const ModelSafeRoutingInfo& routing_info);
161 159
162 SYNC_EXPORT ModelTypeSet GetRoutingInfoTypes( 160 SYNC_EXPORT ModelTypeSet
163 const ModelSafeRoutingInfo& routing_info); 161 GetRoutingInfoTypes(const ModelSafeRoutingInfo& routing_info);
164 162
165 SYNC_EXPORT ModelSafeGroup GetGroupForModelType( 163 SYNC_EXPORT ModelSafeGroup
166 const ModelType type, 164 GetGroupForModelType(const ModelType type, const ModelSafeRoutingInfo& routes);
167 const ModelSafeRoutingInfo& routes);
168 165
169 } // namespace syncer 166 } // namespace syncer
170 167
171 #endif // SYNC_INTERNAL_API_PUBLIC_ENGINE_MODEL_SAFE_WORKER_H_ 168 #endif // COMPONENTS_SYNC_ENGINE_MODEL_SAFE_WORKER_H_
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