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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_TOMBSTONE_ENTITY_H_
#define COMPONENTS_SYNC_ENGINE_LOOPBACK_SERVER_PERSISTENT_TOMBSTONE_ENTITY_H_
#include <memory>
#include <string>
#include "components/sync/base/data_type.h"
#include "components/sync/engine/loopback_server/loopback_server_entity.h"
#include "components/sync/protocol/sync_entity.pb.h"
namespace sync_pb {
class SyncEntity;
enum LoopbackServerEntity_Type : int;
} // namespace sync_pb
namespace syncer {
// A Sync entity that represents a deleted item.
class PersistentTombstoneEntity : public LoopbackServerEntity {
public:
~PersistentTombstoneEntity() override;
// Factory function for PersistentTombstoneEntity.
static std::unique_ptr<LoopbackServerEntity> CreateFromEntity(
const sync_pb::SyncEntity& id);
static std::unique_ptr<LoopbackServerEntity> CreateNew(
const std::string& id,
const std::string& client_tag_hash);
static std::unique_ptr<LoopbackServerEntity> CreateNewShared(
const std::string& id,
const std::string& client_tag_hash,
const sync_pb::SyncEntity::CollaborationMetadata& collaboration_metadata);
// LoopbackServerEntity implementation.
bool RequiresParentId() const override;
std::string GetParentId() const override;
void SerializeAsProto(sync_pb::SyncEntity* proto) const override;
bool IsDeleted() const override;
sync_pb::LoopbackServerEntity_Type GetLoopbackServerEntityType()
const override;
private:
static std::unique_ptr<LoopbackServerEntity> CreateNewInternal(
const std::string& id,
int64_t version,
const std::string& client_tag_hash,
const sync_pb::SyncEntity::CollaborationMetadata& collaboration_metadata);
PersistentTombstoneEntity(
const std::string& id,
int64_t version,
const syncer::DataType& data_type,
const std::string& client_tag_hash,
const sync_pb::SyncEntity::CollaborationMetadata& collaboration_metadata);
// The tag hash for this entity.
const std::string client_tag_hash_;
// Collaboration metadata for this entity for shared data types.
const sync_pb::SyncEntity::CollaborationMetadata collaboration_metadata_;
};
} // namespace syncer
#endif // COMPONENTS_SYNC_ENGINE_LOOPBACK_SERVER_PERSISTENT_TOMBSTONE_ENTITY_H_
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