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/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2019 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.components.impl.lock;

import org.aspectj.lang.ProceedingJoinPoint;
import org.openecomp.sdc.be.components.impl.ComponentLocker;
import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.openecomp.sdc.common.log.wrappers.Logger;

public class ComponentLockAspect {

    private static final Logger log = Logger.getLogger(ComponentLockAspect.class);
    private final ComponentLocker componentLocker;

    public ComponentLockAspect(ComponentLocker componentLocker) {
        this.componentLocker = componentLocker;
    }

    public Object lock(ProceedingJoinPoint proceedingJoinPoint, String componentId, ComponentTypeEnum componentType) throws Throwable {
        return surroundWithLockUnlock(proceedingJoinPoint, componentId, componentType.getNodeType());
    }

    private Object surroundWithLockUnlock(ProceedingJoinPoint proceedingJoinPoint, String componentId, NodeTypeEnum componentType) throws Throwable {
        String methodName = proceedingJoinPoint.getSignature().toShortString();
        try {
            log.trace("#{} - before locking component {} of type {}", methodName, componentId, componentType);
            componentLocker.lock(componentId, componentType);
            log.trace("#{} - after locking component {} of type {}", methodName, componentId, componentType);
            return proceedingJoinPoint.proceed();
        }
        finally {
            log.trace("#{} - before unlocking component {} of type {}", methodName, componentId, componentType);
            componentLocker.unlock(componentId, componentType);
            log.trace("#{} - after unlocking component {} of type {}", methodName, componentId, componentType);
        }
    }


}