/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.sdc.be.model.operations.impl;

import org.openecomp.sdc.be.dao.titan.TitanGenericDao;
import org.openecomp.sdc.be.dao.titan.TitanOperationStatus;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.openecomp.sdc.be.model.operations.api.IGraphLockOperation;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

@Component("graph-lock-operation")
public class GraphLockOperation implements IGraphLockOperation {
	private static Logger log = LoggerFactory.getLogger(GraphLockOperation.class.getName());

	@javax.annotation.Resource
	private TitanGenericDao titanGenericDao;

	public GraphLockOperation() {
		super();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.openecomp.sdc.be.model.operations.impl.IGraphLockOperation# lockResource(java.lang.String, org.openecomp.sdc.be.model.operations.api.IResourceOperation)
	 */
	@Override
	public StorageOperationStatus lockComponent(String componentId, NodeTypeEnum nodeType) {
		log.info("lock resource with id {}", componentId);
		TitanOperationStatus lockElementStatus = null;
		try {

			lockElementStatus = titanGenericDao.lockElement(componentId, nodeType);

		} catch (Exception e) {
			lockElementStatus = TitanOperationStatus.ALREADY_LOCKED;

		}

		return DaoStatusConverter.convertTitanStatusToStorageStatus(lockElementStatus);

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.openecomp.sdc.be.model.operations.impl.IGraphLockOperation# unlockResource(java.lang.String, org.openecomp.sdc.be.model.operations.api.IResourceOperation)
	 */
	@Override
	public StorageOperationStatus unlockComponent(String componentId, NodeTypeEnum nodeType) {

		TitanOperationStatus lockElementStatus = titanGenericDao.releaseElement(componentId, nodeType);

		return DaoStatusConverter.convertTitanStatusToStorageStatus(lockElementStatus);
	}

	@Override
	public StorageOperationStatus unlockComponentByName(String name, String componentId, NodeTypeEnum nodeType) {
		TitanOperationStatus lockElementStatus = titanGenericDao.releaseElement(name, nodeType);
		return DaoStatusConverter.convertTitanStatusToStorageStatus(lockElementStatus);
	}

	@Override
	public StorageOperationStatus lockComponentByName(String name, NodeTypeEnum nodeType) {
		log.info("lock resource with name {}", name);
		TitanOperationStatus lockElementStatus = null;
		try {

			lockElementStatus = titanGenericDao.lockElement(name, nodeType);

		} catch (Exception e) {
			lockElementStatus = TitanOperationStatus.ALREADY_LOCKED;

		}

		return DaoStatusConverter.convertTitanStatusToStorageStatus(lockElementStatus);

	}
}