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// Copyright 2014 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_LOOPBACK_SERVER_PERSISTENT_PERMANENT_ENTITY_H_
#define COMPONENTS_SYNC_ENGINE_LOOPBACK_SERVER_PERSISTENT_PERMANENT_ENTITY_H_
#include <memory>
#include <string>
#include "components/sync/base/data_type.h"
#include "components/sync/engine/loopback_server/loopback_server_entity.h"
namespace sync_pb {
class EntitySpecifics;
class SyncEntity;
enum LoopbackServerEntity_Type : int;
} // namespace sync_pb
namespace syncer {
// A server-created, permanent entity.
class PersistentPermanentEntity : public LoopbackServerEntity {
public:
PersistentPermanentEntity(const std::string& id,
int64_t version,
const syncer::DataType& data_type,
const std::string& name,
const std::string& parent_id,
const std::string& server_defined_unique_tag,
const sync_pb::EntitySpecifics& entity_specifics);
~PersistentPermanentEntity() override;
// Factory function for PersistentPermanentEntity. `server_tag` should be a
// globally unique identifier.
static std::unique_ptr<LoopbackServerEntity> CreateNew(
const syncer::DataType& data_type,
const std::string& server_tag,
const std::string& name,
const std::string& parent_server_tag);
// Factory function for a top level PersistentPermanentEntity. Top level means
// that the entity's parent is the root entity (no PersistentPermanentEntity
// exists for root).
static std::unique_ptr<LoopbackServerEntity> CreateTopLevel(
const syncer::DataType& data_type);
// Factory function for creating an updated version of a
// PersistentPermanentEntity. This function should only be called for the
// Nigori entity.
static std::unique_ptr<LoopbackServerEntity> CreateUpdatedNigoriEntity(
const sync_pb::SyncEntity& client_entity,
const LoopbackServerEntity& current_server_entity);
// LoopbackServerEntity implementation.
bool RequiresParentId() const override;
std::string GetParentId() const override;
void SerializeAsProto(sync_pb::SyncEntity* proto) const override;
bool IsFolder() const override;
bool IsPermanent() const override;
sync_pb::LoopbackServerEntity_Type GetLoopbackServerEntityType()
const override;
private:
// All member values have equivalent fields in SyncEntity.
std::string server_defined_unique_tag_;
std::string parent_id_;
};
} // namespace syncer
#endif // COMPONENTS_SYNC_ENGINE_LOOPBACK_SERVER_PERSISTENT_PERMANENT_ENTITY_H_
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