de.forsthaus.backend.util.db.logging.ServiceLogging.java Source code

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Here is the source code for de.forsthaus.backend.util.db.logging.ServiceLogging.java

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/**
 * Copyright 2010 the original author or authors.
 * 
 * This file is part of Zksample2. http://zksample2.sourceforge.net/
 *
 * Zksample2 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.
 * 
 * Zksample2 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 Zksample2.  If not, see <http://www.gnu.org/licenses/gpl.html>.
 */
package de.forsthaus.backend.util.db.logging;

import java.util.ArrayDeque;
import java.util.Queue;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.aspectj.lang.ProceedingJoinPoint;
import org.hibernate.SessionFactory;
import org.hibernate.stat.Statistics;
import org.springframework.beans.factory.InitializingBean;

import de.forsthaus.backend.util.db.logging.service.LoggingService;

/**
 * @author bbruhns
 * 
 */
public class ServiceLogging implements InitializingBean {
    private static final Log LOG = LogFactory.getLog(ServiceLogging.class);
    private SessionFactory sessionFactory;
    private LoggingService loggingService;
    private Statistics statistics = null;
    final private Queue<Long> startTimes = new ArrayDeque<Long>(5);
    private long finishTime = -1;
    private String methodName = "?";

    @Override
    public void afterPropertiesSet() throws Exception {
        statistics = getSessionFactory().getStatistics();
        statistics.setStatisticsEnabled(true);
        init();
    }

    private void init() {
        statistics.clear();
    }

    public Object logging(ProceedingJoinPoint call) throws Throwable {
        startTimes.add(Long.valueOf(System.nanoTime()));
        try {
            // LOG.info("Start call: " + call.toShortString());
            return call.proceed();
        } finally {
            methodName = call.toShortString();
            finishTime = (System.nanoTime() - startTimes.remove().longValue()) / 1000000;
            if (startTimes.isEmpty()) {
                methodName = StringUtils.substring(methodName, 10, -1);

                // LOG.info("Execution time: " + finishTime + "ms " +
                // methodName);
                loggingService.saveStatistics(statistics, methodName, finishTime);
                init();
            }
        }
    }

    public SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    public void setSessionFactory(SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }

    public LoggingService getLoggingService() {
        return loggingService;
    }

    public void setLoggingService(LoggingService loggingService) {
        this.loggingService = loggingService;
    }

}