simplejob.java

Quartz is a full-featured, open source job scheduling system that can be integrated with, or used al

/* 
 * Copyright 2005 OpenSymphony 
 * 
 * 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 org.quartz.examples.example11;

import java.util.Date;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;

/**
 * <p>
 * This is just a simple job that gets fired off many times by example 1
 * </p>
 * 
 * @author Bill Kratzer
 */
public class SimpleJob implements Job {

    private static Log _log = LogFactory.getLog(SimpleJob.class);

    // job parameter
    public static final String DELAY_TIME = "delay time";
    
    /**
     * Empty constructor for job initilization
     */
    public SimpleJob() {
    }

    /**
     * <p>
     * Called by the <code>{@link org.quartz.Scheduler}</code> when a
     * <code>{@link org.quartz.Trigger}</code> fires that is associated with
     * the <code>Job</code>.
     * </p>
     * 
     * @throws JobExecutionException
     *             if there is an exception while executing the job.
     */
    public void execute(JobExecutionContext context)
        throws JobExecutionException {

        // This job simply prints out its job name and the
        // date and time that it is running
        String jobName = context.getJobDetail().getFullName();
        _log.info("Executing job: " + jobName + " executing at " + new Date());
        
        // wait for a period of time
        long delayTime = 
            context.getJobDetail().getJobDataMap().getLong(DELAY_TIME);
        try {
            Thread.sleep(delayTime); 
        } catch (Exception e) {
        }        

        _log.info("Finished Executing job: " + jobName + " at " + new Date());
    }

}