Metacat

/**

 *  '$RCSfile$'

 *    Purpose: A Class that implements session utility methods 

 *  Copyright: 2008 Regents of the University of California and the

 *             National Center for Ecological Analysis and Synthesis

 *    Authors: Michael Daigle

 * 

 *   '$Author: daigle $'

 *     '$Date: 2008-10-09 09:53:18 -0700 (Thu, 09 Oct 2008) $'

 * '$Revision: 4429 $'

 *

 * This program 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 2 of the License, or

 * (at your option) any later version.

 *

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

package edu.ucsb.nceas.metacat.service;

import java.util.Hashtable;

import java.util.Vector;

import org.apache.log4j.Logger;

import edu.ucsb.nceas.metacat.util.SessionData;

public class ServiceService extends BaseService {

	private static ServiceService serviceService = null;

	private static Logger logMetacat = Logger.getLogger(ServiceService.class);

	private static Hashtable<String, Class> ServiceList = null;

	/**

	 * private constructor since this is a singleton

	 */

	private ServiceService() {

	}

	/**

	 * Get the single instance of ServiceService.

	 * 

	 * @return the single instance of ServiceService

	 */

	public static ServiceService getInstance() {

		if (serviceService == null) {

			serviceService = new ServiceService();

		}

		return serviceService;

	}

	public boolean refreshable() {

		return false;

	}

	protected void doRefresh() {

		return;

	}

}