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 SYNC_SYNCABLE_PARENT_CHILD_INDEX_UPDATER_H_
6#define SYNC_SYNCABLE_PARENT_CHILD_INDEX_UPDATER_H_
7
8#include "base/basictypes.h"
9#include "sync/base/sync_export.h"
10
11namespace syncer {
12namespace syncable {
13
14class ParentChildIndex;
15class ScopedKernelLock;
16struct EntryKernel;
17
18// Temporarily removes an item from the ParentChildIndex and re-adds it this
19// object goes out of scope.
20class ScopedParentChildIndexUpdater {
21 public:
22  ScopedParentChildIndexUpdater(ScopedKernelLock& proof_of_lock,
23                                EntryKernel* entry,
24                                ParentChildIndex* index);
25  ~ScopedParentChildIndexUpdater();
26
27 private:
28  EntryKernel* entry_;
29  ParentChildIndex* index_;
30
31  DISALLOW_COPY_AND_ASSIGN(ScopedParentChildIndexUpdater);
32};
33
34}  // namespace syncer
35}  // namespace syncable
36
37#endif  // SYNC_SYNCABLE_PARENT_CHILD_INDEX_UPDATER_H_
38