MainJob.java

// Copyright (c) 2001  Dustin Sallings <dustin@spy.net>

package net.spy.cron;

import java.util.Date;

import net.spy.concurrent.ThreadPoolRunnable;
import net.spy.util.SpyUtil;

/**
 * A job that invokes a class's main() method at run time.
 */
public class MainJob extends Job implements ThreadPoolRunnable {

	// The classname and the args to run and the classloader in which to find
	// the class.
	private final ClassLoader classLoader;
	private final String classname;
	private final String[] args;

	/**
	 * Get a new ``at style'' MainJob.
	 */
	public MainJob(ClassLoader cl, String cName, String a[], Date startDate) {
		super("main:" + cName, startDate);
		classname=cName;
		args=a;
		classLoader=cl;
	}

	/**
	 * Get a new ``cron style'' MainJob.
	 */
	public MainJob(ClassLoader cl, String cName, String a[],
		Date startDate, TimeIncrement ti) {
		super("main:" + cName, startDate, ti);
		classname=cName;
		args=a;
		classLoader=cl;
	}

	/**
	 * What to do when it's time to run.
	 */
	@Override
	public void runJob() {
		try {
			SpyUtil.runClass(classLoader, classname, args);
		} catch(Exception e) {
			getLogger().error("Problem invoking main class %s", classname, e);
		}
	}

}