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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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