AbstractEtmAspect.java

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package etm.contrib.aop.common;

import etm.contrib.aop.joinpoint.EtmJoinPoint;
import etm.core.configuration.EtmManager;
import etm.core.monitor.EtmMonitor;
import etm.core.monitor.EtmPoint;

/**
 * Base etm aspect that provides execution time measuring
 * in {@link #monitor(EtmJoinPoint)} and {@link #monitor(EtmJoinPoint, String)}.
 * 
 * @author jenglisch
 * @version $Revision$ $Date$
 * @since 1.2.4
 *
 */
public abstract class AbstractEtmAspect {

  private EtmMonitor etmMonitor;

  public AbstractEtmAspect() {
    this(EtmManager.getEtmMonitor());
  }
  
  public AbstractEtmAspect(EtmMonitor anEtmMonitor) {
    etmMonitor = anEtmMonitor;
  }
  
  public Object monitor(EtmJoinPoint aJoinPoint) throws Throwable {
    return monitor(aJoinPoint, aJoinPoint.calculateName());
  }
  
  public Object monitor(EtmJoinPoint aJoinPoint, String aJoinPointName) throws Throwable {
    EtmPoint etmPoint = etmMonitor.createPoint(aJoinPointName);
    try {
      return aJoinPoint.proceed();
    } catch (Throwable t) {
      aJoinPoint.alterNamePostException(etmPoint, t);
      throw t;
    } finally {
      etmPoint.collect();
    }
  }  

}