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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_PROCESS_UPDATES_COMMAND_H_
#define SYNC_ENGINE_PROCESS_UPDATES_COMMAND_H_
#include "base/compiler_specific.h"
#include "sync/engine/model_changing_syncer_command.h"
#include "sync/engine/syncer_types.h"
namespace sync_pb {
class SyncEntity;
}
namespace syncer {
namespace syncable {
class WriteTransaction;
}
class Cryptographer;
// A syncer command for processing updates.
//
// Preconditions - updates in the SyncerSesssion have been downloaded
// and verified.
//
// Postconditions - All of the verified SyncEntity data will be copied to
// the server fields of the corresponding syncable entries.
// TODO(tim): This should not be ModelChanging (bug 36592).
class ProcessUpdatesCommand : public ModelChangingSyncerCommand {
public:
ProcessUpdatesCommand();
virtual ~ProcessUpdatesCommand();
protected:
// ModelChangingSyncerCommand implementation.
virtual std::set<ModelSafeGroup> GetGroupsToChange(
const sessions::SyncSession& session) const OVERRIDE;
virtual SyncerError ModelChangingExecuteImpl(
sessions::SyncSession* session) OVERRIDE;
private:
ServerUpdateProcessingResult ProcessUpdate(
const sync_pb::SyncEntity& proto_update,
const Cryptographer* cryptographer,
syncable::WriteTransaction* const trans);
DISALLOW_COPY_AND_ASSIGN(ProcessUpdatesCommand);
};
} // namespace syncer
#endif // SYNC_ENGINE_PROCESS_UPDATES_COMMAND_H_