chromium/components/sync/engine/cycle/sync_cycle_snapshot.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_SYNC_CYCLE_SNAPSHOT_H_
#define COMPONENTS_SYNC_ENGINE_CYCLE_SYNC_CYCLE_SNAPSHOT_H_

#include <stddef.h>

#include <memory>
#include <string>
#include <vector>

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

namespace sync_pb {
enum SyncEnums_GetUpdatesOrigin : int;
}  // namespace sync_pb

namespace syncer {

// An immutable snapshot of state from a SyncCycle.  Convenient to use as
// part of notifications as it is inherently thread-safe.
// TODO(zea): if copying this all over the place starts getting expensive,
// consider passing around immutable references instead of values.
// Default copy and assign welcome.
class SyncCycleSnapshot { … };

}  // namespace syncer

#endif  // COMPONENTS_SYNC_ENGINE_CYCLE_SYNC_CYCLE_SNAPSHOT_H_