Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(198)

Side by Side Diff: chrome/browser/sync/internal_api/read_node.h

Issue 10147003: [Sync] Move 'syncapi_core' and 'sync_unit_tests' targets to sync/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: sync to head Created 8 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
(Empty)
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
3 // found in the LICENSE file.
4
5 #ifndef CHROME_BROWSER_SYNC_INTERNAL_API_READ_NODE_H_
6 #define CHROME_BROWSER_SYNC_INTERNAL_API_READ_NODE_H_
7 #pragma once
8
9 #include <string>
10
11 #include "base/basictypes.h"
12 #include "base/compiler_specific.h"
13 #include "chrome/browser/sync/internal_api/base_node.h"
14 #include "sync/syncable/model_type.h"
15
16 namespace sync_api {
17
18 // ReadNode wraps a syncable::Entry to provide the functionality of a
19 // read-only BaseNode.
20 class ReadNode : public BaseNode {
21 public:
22 // Create an unpopulated ReadNode on the given transaction. Call some flavor
23 // of Init to populate the ReadNode with a database entry.
24 explicit ReadNode(const BaseTransaction* transaction);
25 virtual ~ReadNode();
26
27 // A client must use one (and only one) of the following Init variants to
28 // populate the node.
29
30 // BaseNode implementation.
31 virtual bool InitByIdLookup(int64 id) OVERRIDE;
32 virtual bool InitByClientTagLookup(syncable::ModelType model_type,
33 const std::string& tag) OVERRIDE;
34
35 // There is always a root node, so this can't fail. The root node is
36 // never mutable, so root lookup is only possible on a ReadNode.
37 void InitByRootLookup();
38
39 // Each server-created permanent node is tagged with a unique string.
40 // Look up the node with the particular tag. If it does not exist,
41 // return false.
42 bool InitByTagLookup(const std::string& tag);
43
44 // Implementation of BaseNode's abstract virtual accessors.
45 virtual const syncable::Entry* GetEntry() const OVERRIDE;
46 virtual const BaseTransaction* GetTransaction() const OVERRIDE;
47
48 protected:
49 ReadNode();
50
51 private:
52 void* operator new(size_t size); // Node is meant for stack use only.
53
54 // The underlying syncable object which this class wraps.
55 syncable::Entry* entry_;
56
57 // The sync API transaction that is the parent of this node.
58 const BaseTransaction* transaction_;
59
60 DISALLOW_COPY_AND_ASSIGN(ReadNode);
61 };
62
63 } // namespace sync_api
64
65 #endif // CHROME_BROWSER_SYNC_INTERNAL_API_READ_NODE_H_
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698