sync/syncable/scoped_parent_child_index_updater.h

   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
  11 namespace syncer {
  12 namespace syncable {
  13
  14 class ParentChildIndex;
  15 class ScopedKernelLock;
  16 struct EntryKernel;
  17
  18 // Temporarily removes an item from the ParentChildIndex and re-adds it this
  19 // object goes out of scope.
  20 class 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_