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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SYNC_ENGINE_STORE_TIMESTAMPS_COMMAND_H_
#define SYNC_ENGINE_STORE_TIMESTAMPS_COMMAND_H_
#include "base/compiler_specific.h"
#include "sync/base/sync_export.h"
#include "sync/engine/syncer_command.h"
#include "sync/engine/syncer_types.h"
#include "sync/internal_api/public/base/model_type.h"
namespace sync_pb {
class GetUpdatesResponse;
} // namespace sync_pb
namespace syncer {
namespace syncable {
class Directory;
} // namespace syncable
// Sets |dir|'s progress markers from the data in |response|. Returns
// the set of model types with new progress markers.
SYNC_EXPORT_PRIVATE ModelTypeSet ProcessNewProgressMarkers(
const sync_pb::GetUpdatesResponse& response,
syncable::Directory* dir);
// A syncer command that extracts the changelog timestamp information from
// a GetUpdatesResponse (fetched in DownloadUpdatesCommand) and stores
// it in the directory. This is meant to run immediately after
// ProcessUpdatesCommand.
//
// Preconditions - all updates in the SyncerSesssion have been stored in the
// database, meaning it is safe to update the persisted
// timestamps.
//
// Postconditions - The next_timestamp returned by the server will be
// saved into the directory (where it will be used
// the next time that DownloadUpdatesCommand runs).
class StoreTimestampsCommand : public SyncerCommand {
public:
StoreTimestampsCommand();
virtual ~StoreTimestampsCommand();
// SyncerCommand implementation.
virtual SyncerError ExecuteImpl(sessions::SyncSession* session) OVERRIDE;
private:
DISALLOW_COPY_AND_ASSIGN(StoreTimestampsCommand);
};
} // namespace syncer
#endif // SYNC_ENGINE_STORE_TIMESTAMPS_COMMAND_H_
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