package org.jcrontab.avalon;import org.jcrontab.Crontab;import org.jcrontab.data.CrontabEntryDAO;/** *  This file is part of the jcrontab package *  Copyright (C) 2001-2002 Eric Pugh and Israel Olalla * *  This library is free software; you can redistribute it and/or *  modify it under the terms of the GNU Lesser General Public *  License as published by the Free Software Foundation; either *  version 2 of the License, or (at your option) any later version. * *  This library 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 *  Lesser General Public License for more details. * *  You should have received a copy of the GNU Lesser General Public *  License along with this library; if not, write to the Free *  Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, *  MA 02111-1307, USA * *  For questions, suggestions: * *  epugh@upstate.com * *//**  * This interface integrates Jcrontab as an Avalon component.  This can be easily used * in the Turbine environment as an Avalon Component. * To get info on Turbine please refer to http://jakarta.apache.org/turbine/ * To get info on Avalon please refer to http://avalon.apache.org/ * @author <a href="mailto:epugh@upstate.com">Eric Pugh</a> */public interface JcrontabScheduler {	/** Avalon Role Name */	String ROLE = JcrontabScheduler.class.getName();		/** The Key to use in your .properties file for relative urls.	 *  This will be replaced with the actual application root.	 * 	 */	public static final String APPLICATION_ROOT_KEY="applicationRoot";		/**	 *  Gets the scheduler attribute of the JCrontabScheduler object	 *	 *@return    The scheduler value	 */	public Crontab getCrontab();		/** 	 * Get the CrontabEntryDAO for looking at tasks	 	 *	 *@return    The CrontabEntryDAO.	 */	public CrontabEntryDAO getContrabEntryDAO();		/** 	 * Report whether JCrontab instance is actually	 * running or not.	 	 *	 *@return    Whether it is running or not.	 */	public boolean isRunning();}