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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 COMPONENTS_SYNC_CORE_MODEL_TYPE_STORE_IMPL_H_ | 5 #ifndef COMPONENTS_SYNC_CORE_MODEL_TYPE_STORE_IMPL_H_ |
6 #define COMPONENTS_SYNC_CORE_MODEL_TYPE_STORE_IMPL_H_ | 6 #define COMPONENTS_SYNC_CORE_MODEL_TYPE_STORE_IMPL_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
12 #include "base/memory/weak_ptr.h" | 12 #include "base/memory/weak_ptr.h" |
13 #include "base/threading/non_thread_safe.h" | 13 #include "base/threading/non_thread_safe.h" |
14 #include "components/sync/api/model_type_store.h" | 14 #include "components/sync/api/model_type_store.h" |
15 #include "components/sync/base/model_type.h" | 15 #include "components/sync/base/model_type.h" |
16 | 16 |
17 namespace leveldb { | 17 namespace leveldb { |
18 class WriteBatch; | 18 class WriteBatch; |
19 } // namespace leveldb | 19 } // namespace leveldb |
20 | 20 |
21 namespace syncer_v2 { | 21 namespace syncer { |
22 | 22 |
23 class ModelTypeStoreBackend; | 23 class ModelTypeStoreBackend; |
24 | 24 |
25 // ModelTypeStoreImpl handles details of store initialization, threading and | 25 // ModelTypeStoreImpl handles details of store initialization, threading and |
26 // leveldb key formatting. Actual leveldb IO calls are performed by | 26 // leveldb key formatting. Actual leveldb IO calls are performed by |
27 // ModelTypeStoreBackend. | 27 // ModelTypeStoreBackend. |
28 class ModelTypeStoreImpl : public ModelTypeStore, public base::NonThreadSafe { | 28 class ModelTypeStoreImpl : public ModelTypeStore, public base::NonThreadSafe { |
29 public: | 29 public: |
30 ~ModelTypeStoreImpl() override; | 30 ~ModelTypeStoreImpl() override; |
31 | 31 |
32 static void CreateStore( | 32 static void CreateStore( |
33 const syncer::ModelType type, | 33 const ModelType type, |
34 const std::string& path, | 34 const std::string& path, |
35 scoped_refptr<base::SequencedTaskRunner> blocking_task_runner, | 35 scoped_refptr<base::SequencedTaskRunner> blocking_task_runner, |
36 const InitCallback& callback); | 36 const InitCallback& callback); |
37 static void CreateInMemoryStoreForTest(const InitCallback& callback); | 37 static void CreateInMemoryStoreForTest(const InitCallback& callback); |
38 | 38 |
39 // ModelTypeStore implementation. | 39 // ModelTypeStore implementation. |
40 void ReadData(const IdList& id_list, | 40 void ReadData(const IdList& id_list, |
41 const ReadDataCallback& callback) override; | 41 const ReadDataCallback& callback) override; |
42 void ReadAllData(const ReadAllDataCallback& callback) override; | 42 void ReadAllData(const ReadAllDataCallback& callback) override; |
43 void ReadAllMetadata(const ReadMetadataCallback& callback) override; | 43 void ReadAllMetadata(const ReadMetadataCallback& callback) override; |
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58 | 58 |
59 private: | 59 private: |
60 class WriteBatchImpl : public WriteBatch { | 60 class WriteBatchImpl : public WriteBatch { |
61 public: | 61 public: |
62 WriteBatchImpl(); | 62 WriteBatchImpl(); |
63 ~WriteBatchImpl() override; | 63 ~WriteBatchImpl() override; |
64 std::unique_ptr<leveldb::WriteBatch> leveldb_write_batch_; | 64 std::unique_ptr<leveldb::WriteBatch> leveldb_write_batch_; |
65 }; | 65 }; |
66 | 66 |
67 static void BackendInitDone( | 67 static void BackendInitDone( |
68 const syncer::ModelType type, | 68 const ModelType type, |
69 std::unique_ptr<Result> result, | 69 std::unique_ptr<Result> result, |
70 scoped_refptr<base::SequencedTaskRunner> blocking_task_runner, | 70 scoped_refptr<base::SequencedTaskRunner> blocking_task_runner, |
71 const InitCallback& callback, | 71 const InitCallback& callback, |
72 scoped_refptr<ModelTypeStoreBackend> backend); | 72 scoped_refptr<ModelTypeStoreBackend> backend); |
73 | 73 |
74 // Format prefix key for data/metadata records with |type|. | 74 // Format prefix key for data/metadata records with |type|. |
75 static std::string FormatDataPrefix(const syncer::ModelType type); | 75 static std::string FormatDataPrefix(const ModelType type); |
76 static std::string FormatMetaPrefix(const syncer::ModelType type); | 76 static std::string FormatMetaPrefix(const ModelType type); |
77 | 77 |
78 static leveldb::WriteBatch* GetLeveldbWriteBatch(WriteBatch* write_batch); | 78 static leveldb::WriteBatch* GetLeveldbWriteBatch(WriteBatch* write_batch); |
79 | 79 |
80 // Format key for data/metadata records with given id. | 80 // Format key for data/metadata records with given id. |
81 std::string FormatDataKey(const std::string& id); | 81 std::string FormatDataKey(const std::string& id); |
82 std::string FormatMetadataKey(const std::string& id); | 82 std::string FormatMetadataKey(const std::string& id); |
83 | 83 |
84 ModelTypeStoreImpl( | 84 ModelTypeStoreImpl( |
85 const syncer::ModelType type, | 85 const ModelType type, |
86 scoped_refptr<ModelTypeStoreBackend> backend, | 86 scoped_refptr<ModelTypeStoreBackend> backend, |
87 scoped_refptr<base::SequencedTaskRunner> backend_task_runner); | 87 scoped_refptr<base::SequencedTaskRunner> backend_task_runner); |
88 | 88 |
89 // Callbacks for different calls to ModelTypeStoreBackend. | 89 // Callbacks for different calls to ModelTypeStoreBackend. |
90 void ReadDataDone(const ReadDataCallback& callback, | 90 void ReadDataDone(const ReadDataCallback& callback, |
91 std::unique_ptr<RecordList> record_list, | 91 std::unique_ptr<RecordList> record_list, |
92 std::unique_ptr<IdList> missing_id_list, | 92 std::unique_ptr<IdList> missing_id_list, |
93 Result result); | 93 Result result); |
94 void ReadAllDataDone(const ReadAllDataCallback& callback, | 94 void ReadAllDataDone(const ReadAllDataCallback& callback, |
95 std::unique_ptr<RecordList> record_list, | 95 std::unique_ptr<RecordList> record_list, |
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111 scoped_refptr<ModelTypeStoreBackend> backend_; | 111 scoped_refptr<ModelTypeStoreBackend> backend_; |
112 scoped_refptr<base::SequencedTaskRunner> backend_task_runner_; | 112 scoped_refptr<base::SequencedTaskRunner> backend_task_runner_; |
113 | 113 |
114 // Key prefix for data/metadata records of this model type. | 114 // Key prefix for data/metadata records of this model type. |
115 const std::string data_prefix_; | 115 const std::string data_prefix_; |
116 const std::string metadata_prefix_; | 116 const std::string metadata_prefix_; |
117 | 117 |
118 base::WeakPtrFactory<ModelTypeStoreImpl> weak_ptr_factory_; | 118 base::WeakPtrFactory<ModelTypeStoreImpl> weak_ptr_factory_; |
119 }; | 119 }; |
120 | 120 |
121 } // namespace syncer_v2 | 121 } // namespace syncer |
122 | 122 |
123 #endif // COMPONENTS_SYNC_CORE_MODEL_TYPE_STORE_IMPL_H_ | 123 #endif // COMPONENTS_SYNC_CORE_MODEL_TYPE_STORE_IMPL_H_ |
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