org.smallmind.persistence.instrument.aop.ApplyInstrumentationAspect Maven / Gradle / Ivy

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/*
 * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 David Berkman
 * 
 * This file is part of the SmallMind Code Project.
 * 
 * The SmallMind Code Project is free software, you can redistribute
 * it and/or modify it under either, at your discretion...
 * 
 * 1) The terms of GNU Affero General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 * 
 * ...or...
 * 
 * 2) The terms of the Apache License, Version 2.0.
 * 
 * The SmallMind Code Project is distributed in the hope that it will
 * be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License or Apache License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * and the Apache License along with the SmallMind Code Project. If not, see
 *  or .
 * 
 * Additional permission under the GNU Affero GPL version 3 section 7
 * ------------------------------------------------------------------
 * If you modify this Program, or any covered work, by linking or
 * combining it with other code, such other code is not for that reason
 * alone subject to any of the requirements of the GNU Affero GPL
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 */
package org.smallmind.persistence.instrument.aop;

import java.lang.reflect.Method;
import java.util.concurrent.TimeUnit;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.reflect.MethodSignature;
import org.smallmind.instrument.InstrumentationManager;
import org.smallmind.instrument.MetricProperty;
import org.smallmind.persistence.AbstractVectorAwareManagedDao;
import org.smallmind.persistence.PersistenceManager;

@Aspect
public class ApplyInstrumentationAspect {

  @Around(value = "@within(instrumented) && execution(@ApplyInstrumentation * * (..)) && this(durableDao)", argNames = "thisJoinPoint, instrumented, durableDao")
  public Object aroundApplyStatisticsMethod (ProceedingJoinPoint thisJoinPoint, Instrumented instrumented, AbstractVectorAwareManagedDao durableDao)
    throws Throwable {

    Method executedMethod;
    boolean timingEnabled;
    long start = 0;
    long stop;

    if (timingEnabled = instrumented.value()) {
      start = System.currentTimeMillis();
    }

    try {

      return thisJoinPoint.proceed();
    }
    finally {
      if (timingEnabled) {
        stop = System.currentTimeMillis();
        executedMethod = ((MethodSignature)thisJoinPoint.getSignature()).getMethod();

        InstrumentationManager.instrumentWithChronometer(PersistenceManager.getPersistence(), stop - start, TimeUnit.MILLISECONDS, new MetricProperty("durable", durableDao.getManagedClass().getSimpleName()), new MetricProperty("method", executedMethod.getName()), new MetricProperty("source", durableDao.getMetricSource()));
      }
    }
  }
}