chromium/components/sync/engine/cycle/status_controller.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_SYNC_ENGINE_CYCLE_STATUS_CONTROLLER_H_
#define COMPONENTS_SYNC_ENGINE_CYCLE_STATUS_CONTROLLER_H_

#include "base/time/time.h"
#include "components/sync/engine/cycle/model_neutral_state.h"

namespace syncer {

// StatusController handles all counter and status related number crunching and
// state tracking on behalf of a SyncCycle.
//
// This object may be accessed from many different threads.  It will be accessed
// most often from the syncer thread.  However, when update application is in
// progress it may also be accessed from the worker threads.  This is safe
// because only one of them will run at a time, and the syncer thread will be
// blocked until update application completes.
//
// This object contains only global state.  None of its members are per model
// type counters.
class StatusController { … };

}  // namespace syncer

#endif  // COMPONENTS_SYNC_ENGINE_CYCLE_STATUS_CONTROLLER_H_