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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 CHROME_BROWSER_SYNC_SYNCABLE_IN_MEMORY_DIRECTORY_BACKING_STORE_H_ | 5 #ifndef SYNC_SYNCABLE_IN_MEMORY_DIRECTORY_BACKING_STORE_H_ |
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tim (not reviewing)
2012/03/15 06:21:10
curious... if this is test only, why isn't it part
akalin
2012/03/15 07:38:26
Well, it's pulled into production code (from synca
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| 6 #define CHROME_BROWSER_SYNC_SYNCABLE_IN_MEMORY_DIRECTORY_BACKING_STORE_H_ | 6 #define SYNC_SYNCABLE_IN_MEMORY_DIRECTORY_BACKING_STORE_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "chrome/browser/sync/syncable/directory_backing_store.h" | 9 #include "sync/syncable/directory_backing_store.h" |
| 10 | 10 |
| 11 namespace syncable { | 11 namespace syncable { |
| 12 | 12 |
| 13 // This implementation of DirectoryBackingStore is used in tests that do not | 13 // This implementation of DirectoryBackingStore is used in tests that do not |
| 14 // require us to write to a file. An in-memory sqlite database is much faster | 14 // require us to write to a file. An in-memory sqlite database is much faster |
| 15 // than an on-disk database, so this can result in significant speedups in our | 15 // than an on-disk database, so this can result in significant speedups in our |
| 16 // unit tests. | 16 // unit tests. |
| 17 // | 17 // |
| 18 // An InMemoryDirectoryBackingStore cannot load data from existing databases. | 18 // An InMemoryDirectoryBackingStore cannot load data from existing databases. |
| 19 // When an InMemoryDirectoryBackingStore is destroyed, all data stored in this | 19 // When an InMemoryDirectoryBackingStore is destroyed, all data stored in this |
| 20 // database is lost. If these limitations are a problem for you, consider using | 20 // database is lost. If these limitations are a problem for you, consider using |
| 21 // TestDirectoryBackingStore. | 21 // TestDirectoryBackingStore. |
| 22 class InMemoryDirectoryBackingStore : public DirectoryBackingStore { | 22 class InMemoryDirectoryBackingStore : public DirectoryBackingStore { |
| 23 public: | 23 public: |
| 24 explicit InMemoryDirectoryBackingStore(const std::string& dir_name); | 24 explicit InMemoryDirectoryBackingStore(const std::string& dir_name); |
| 25 virtual DirOpenResult Load( | 25 virtual DirOpenResult Load( |
| 26 MetahandlesIndex* entry_bucket, | 26 MetahandlesIndex* entry_bucket, |
| 27 Directory::KernelLoadInfo* kernel_load_info) OVERRIDE; | 27 Directory::KernelLoadInfo* kernel_load_info) OVERRIDE; |
| 28 }; | 28 }; |
| 29 | 29 |
| 30 } // namespace syncable | 30 } // namespace syncable |
| 31 | 31 |
| 32 #endif // CHROME_BROWSER_SYNC_SYNCABLE_IN_MEMORY_DIRECTORY_BACKING_STORE_H_ | 32 #endif // SYNC_SYNCABLE_IN_MEMORY_DIRECTORY_BACKING_STORE_H_ |
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