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/*******************************************************************************
 * Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
 * This file is part of Gluster Management Console.
 *
 * Gluster Management Console 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.
 *
 * Gluster Management Console 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, see
 * <http://www.gnu.org/licenses/>.
 *******************************************************************************/
package org.gluster.storage.management.core.model;

/**
 * Default listener - doesn't do anything. Sub-class and override the method for
 * the event you want to handle.
 */
public class DefaultClusterListener implements ClusterListener {

	@Override
	public void serverAdded(GlusterServer server) {
		modelChanged();
	}

	@Override
	public void serverRemoved(GlusterServer server) {
		modelChanged();
	}

	@Override
	public void serverChanged(GlusterServer server, Event event) {
		modelChanged();
	}

	@Override
	public void volumeChanged(Volume volume, Event event) {		
		modelChanged();
	}

	@Override
	public void discoveredServerAdded(Server server) {
		modelChanged();
	}

	@Override
	public void discoveredServerRemoved(Server server) {
		modelChanged();
	}

	@Override
	public void volumeCreated(Volume volume) {
		modelChanged();
	}
	
	@Override
	public void volumeDeleted(Volume volume) {
		modelChanged();
	}
	
	
	@Override
	public void taskAdded(TaskInfo taskInfo) {
		modelChanged();
	}

	
	@Override
	public void taskRemoved(TaskInfo taskInfo) {
		modelChanged();
	}

	
	@Override
	public void taskUpdated(TaskInfo taskInfo) {
		modelChanged();
	}

	/**
	 * This method is called by every other event method. Thus, if a view/listener is interested in performing the same
	 * task on any change happening in the data model, it can simply override this method and implement the
	 * logic. e.g. A view may simply refresh its tree/table viewer whenever the data model changes.
	 */
	public void modelChanged() {
		
	}

	@Override
	public void discoveredServerChanged(Server server, Event event) {
		modelChanged();
	}

	@Override
	public void alertsGenerated() {
		modelChanged();
	}
	
	@Override
	public void aggregatedStatsChanged() {
		modelChanged();
	}

	@Override
	public void alertRemoved(Alert alert) {
		modelChanged();		
	}
	
	@Override
	public void alertCreated(Alert alert) {
		modelChanged();		
	}
}