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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_IN_MEMORY_ATTACHMENT_STORE_H_ | |
6 #define SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_IN_MEMORY_ATTACHMENT_STORE_H_ | |
7 | |
8 #include <map> | |
9 #include <set> | |
10 | |
11 #include "base/macros.h" | |
12 #include "base/memory/ref_counted.h" | |
13 #include "base/threading/non_thread_safe.h" | |
14 #include "sync/api/attachments/attachment.h" | |
15 #include "sync/api/attachments/attachment_id.h" | |
16 #include "sync/api/attachments/attachment_store.h" | |
17 #include "sync/api/attachments/attachment_store_backend.h" | |
18 #include "sync/base/sync_export.h" | |
19 | |
20 namespace base { | |
21 class SequencedTaskRunner; | |
22 } // namespace base | |
23 | |
24 namespace syncer { | |
25 | |
26 // An in-memory implementation of AttachmentStore used for testing. | |
27 // InMemoryAttachmentStore is not threadsafe, it lives on backend thread and | |
28 // posts callbacks with results on |callback_task_runner|. | |
29 class SYNC_EXPORT InMemoryAttachmentStore : public AttachmentStoreBackend, | |
30 public base::NonThreadSafe { | |
31 public: | |
32 InMemoryAttachmentStore( | |
33 const scoped_refptr<base::SequencedTaskRunner>& callback_task_runner); | |
34 ~InMemoryAttachmentStore() override; | |
35 | |
36 // AttachmentStoreBackend implementation. | |
37 void Init(const AttachmentStore::InitCallback& callback) override; | |
38 void Read(AttachmentStore::Component component, | |
39 const AttachmentIdList& ids, | |
40 const AttachmentStore::ReadCallback& callback) override; | |
41 void Write(AttachmentStore::Component component, | |
42 const AttachmentList& attachments, | |
43 const AttachmentStore::WriteCallback& callback) override; | |
44 void SetReference(AttachmentStore::Component component, | |
45 const AttachmentIdList& ids) override; | |
46 void DropReference(AttachmentStore::Component component, | |
47 const AttachmentIdList& ids, | |
48 const AttachmentStore::DropCallback& callback) override; | |
49 void ReadMetadataById( | |
50 AttachmentStore::Component component, | |
51 const AttachmentIdList& ids, | |
52 const AttachmentStore::ReadMetadataCallback& callback) override; | |
53 void ReadMetadata( | |
54 AttachmentStore::Component component, | |
55 const AttachmentStore::ReadMetadataCallback& callback) override; | |
56 | |
57 private: | |
58 struct AttachmentEntry { | |
59 AttachmentEntry(const Attachment& attachment, | |
60 AttachmentStore::Component initial_reference_component); | |
61 AttachmentEntry(const AttachmentEntry& other); | |
62 ~AttachmentEntry(); | |
63 | |
64 Attachment attachment; | |
65 std::set<AttachmentStore::Component> components; | |
66 }; | |
67 | |
68 typedef std::map<AttachmentId, AttachmentEntry> AttachmentEntryMap; | |
69 AttachmentEntryMap attachments_; | |
70 | |
71 DISALLOW_COPY_AND_ASSIGN(InMemoryAttachmentStore); | |
72 }; | |
73 | |
74 } // namespace syncer | |
75 | |
76 #endif // SYNC_INTERNAL_API_PUBLIC_ATTACHMENTS_IN_MEMORY_ATTACHMENT_STORE_H_ | |
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