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KoPeMe performance testing core
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/***************************************************************************
 * Copyright 2020 Kieker Project (http://kieker-monitoring.net)
 *
 * 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.
 ***************************************************************************/

package de.dagere.kopeme.kieker.probe;

import java.util.Stack;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;

import de.dagere.kopeme.kieker.record.DurationRecord;
import kieker.monitoring.core.controller.IMonitoringController;
import kieker.monitoring.core.controller.MonitoringController;
import kieker.monitoring.probe.aspectj.AbstractAspectJProbe;
import kieker.monitoring.timer.ITimeSource;

/**
 * @author Andre van Hoorn, Jan Waller
 *
 * @since 1.3
 */
@Aspect
public abstract class AbstractDurationAspect extends AbstractAspectJProbe {

   private static final IMonitoringController CTRLINST = MonitoringController.getInstance();
   private static final ITimeSource TIME = CTRLINST.getTimeSource();

   /**
    * The pointcut for the monitored operations. Inheriting classes should extend the pointcut in order to find the correct executions of the methods (e.g. all methods or only
    * methods with specific annotations).
    */
   @Pointcut
   public abstract void monitoredOperation();

   private final ThreadLocal> tinStack = new ThreadLocal>() {
      @Override
      protected Stack initialValue() {
         return new Stack<>();
      }
   };

   @Before("monitoredOperation() && notWithinKieker() && !within(de.dagere.kopeme..*)")
   public void beforeOperation(final JoinPoint thisJoinPoint) throws Throwable { // NOCS (Throwable)
      if (!CTRLINST.isMonitoringEnabled()) {
         return;
      }
      final String signature = this.signatureToLongString(thisJoinPoint.getSignature());
      if (!CTRLINST.isProbeActivated(signature)) {
         return;
      }
      final long tin = TIME.getTime();
      tinStack.get().push(tin);
   }

   @After("monitoredOperation() && notWithinKieker() && !within(de.dagere.kopeme..*)")
   public void afterOperation(final JoinPoint thisJoinPoint) {
      if (!CTRLINST.isMonitoringEnabled()) {
         return;
      }
      final String operationSignature = this.signatureToLongString(thisJoinPoint.getSignature());
      if (!CTRLINST.isProbeActivated(operationSignature)) {
         return;
      }

      final long tin = tinStack.get().pop();
      final long tout = TIME.getTime();
      CTRLINST.newMonitoringRecord(new DurationRecord(operationSignature, tin, tout));
   }
}