com.isotrol.impe3.pms.core.impl.TimingAspect.java Source code

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Here is the source code for com.isotrol.impe3.pms.core.impl.TimingAspect.java

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/**
 * This file is part of Port@l
 * Port@l 3.0 - Portal Engine and Management System
 * Copyright (C) 2010  Isotrol, SA.  http://www.isotrol.com
 *
 * Port@l is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Port@l 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Port@l.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.isotrol.impe3.pms.core.impl;

import static net.sf.derquinsej.stats.Timings.createAccumulatingMap;

import java.util.concurrent.TimeUnit;

import net.sf.derquinsej.stats.AccumulatingTimingMap;
import net.sf.derquinsej.stats.Timing;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.slf4j.Logger;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;

import com.google.common.base.Stopwatch;
import com.isotrol.impe3.core.Loggers;

/**
 * Timing aspect.
 * @author Andres Rodriguez.
 */
@Component
@Aspect
@Order(Ordered.HIGHEST_PRECEDENCE)
public class TimingAspect {
    /** Logger. */
    private final Logger logger = Loggers.pms();
    /** Timing map. */
    private final AccumulatingTimingMap<String> map = createAccumulatingMap(TimeUnit.MILLISECONDS);

    /**
     * Constructor.
     */
    public TimingAspect() {
    }

    @Around("@within(org.springframework.stereotype.Service)")
    public Object time(ProceedingJoinPoint pjp) throws Throwable {
        final Stopwatch w = Stopwatch.createStarted();
        try {
            return pjp.proceed();
        } finally {
            final long t = w.elapsed(TimeUnit.MILLISECONDS);
            final String key = pjp.getTarget().getClass().getName() + "." + pjp.getSignature().toShortString();
            map.add(key, t);
            if (t > 500) {
                logger.warn(String.format("[%s] took [%d] ms", key, t));
            }
        }
    }

    public AccumulatingTimingMap<String> getTimingMap() {
        return map;
    }

    public Timing getTiming() {
        return map.getAccumulator();
    }
}