catalog-be/src/main/java/org/openecomp/sdc/be/components/impl/lock/ComponentLockAspect.java

   1 package org.openecomp.sdc.be.components.impl.lock;
   2
   3 import org.aspectj.lang.ProceedingJoinPoint;
   4 import org.openecomp.sdc.be.components.impl.ComponentLocker;
   5 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
   6 import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
   7 import org.openecomp.sdc.common.log.wrappers.Logger;
   8
   9 public class ComponentLockAspect {
  10
  11     private static final Logger log = Logger.getLogger(ComponentLockAspect.class);
  12     private final ComponentLocker componentLocker;
  13
  14     public ComponentLockAspect(ComponentLocker componentLocker) {
  15         this.componentLocker = componentLocker;
  16     }
  17
  18     public Object lock(ProceedingJoinPoint proceedingJoinPoint, String componentId, ComponentTypeEnum componentType) throws Throwable {
  19         return surroundWithLockUnlock(proceedingJoinPoint, componentId, componentType.getNodeType());
  20     }
  21
  22     private Object surroundWithLockUnlock(ProceedingJoinPoint proceedingJoinPoint, String componentId, NodeTypeEnum componentType) throws Throwable {
  23         String methodName = proceedingJoinPoint.getSignature().toShortString();
  24         try {
  25             log.trace("#{} - before locking component {} of type {}", methodName, componentId, componentType);
  26             componentLocker.lock(componentId, componentType);
  27             log.trace("#{} - after locking component {} of type {}", methodName, componentId, componentType);
  28             return proceedingJoinPoint.proceed();
  29         }
  30         finally {
  31             log.trace("#{} - before unlocking component {} of type {}", methodName, componentId, componentType);
  32             componentLocker.unlock(componentId, componentType);
  33             log.trace("#{} - after unlocking component {} of type {}", methodName, componentId, componentType);
  34         }
  35     }
  36
  37
  38 }