/*
* JBoss, Home of Professional Open Source.
* Copyright 2007, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ha.singleton.examples;
import java.io.Serializable;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import org.jboss.logging.Logger;
import org.jboss.naming.Util;
/**
* Ha Singleton Pojo example.
*
* @author <a href="mailto:galder.zamarreno@jboss.com">Galder Zamarreno</a>
*/
public class HASingletonPojoExample implements Serializable
{
/** The serialVersionUID */
private static final long serialVersionUID = 6823691561869778917L;
private static Logger log = Logger.getLogger(HASingletonPojoExample.class);
private final String jndiName;
private boolean isMasterNode;
public HASingletonPojoExample(String jndiName)
{
this.jndiName = jndiName;
}
public void startSingleton() throws NamingException
{
isMasterNode = true;
InitialContext ctx = new InitialContext();
Util.rebind(ctx, jndiName, this);
log.info("Notified to start as singleton and bound to jndi under " + jndiName);
}
public boolean isMasterNode()
{
return isMasterNode;
}
public void stopSingleton() throws NamingException
{
isMasterNode = false;
InitialContext ctx = new InitialContext();
Util.unbind(ctx, jndiName);
log.info("Notified to stop as singleton and unbound from jndi under " + jndiName);
}
}