/*
* JORAM: Java(TM) Open Reliable Asynchronous Messaging
* Copyright (C) 2010 ScalAgent Distributed Technologies
*
* 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 2.1 of the License, or 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.
*
* Initial developer(s): ScalAgent Distributed Technologies
* Contributor(s):
*/
package org.objectweb.joram.mom.dest.jms;
import javax.jms.IllegalStateException;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.transaction.xa.XAException;
import javax.transaction.xa.XAResource;
import javax.transaction.xa.Xid;
import org.objectweb.joram.client.jms.XidImpl;
import org.objectweb.joram.mom.dest.DistributionHandler;
import org.objectweb.joram.shared.messages.Message;
import org.objectweb.util.monolog.api.BasicLevel;
import org.objectweb.util.monolog.api.Logger;
import fr.dyade.aaa.common.Debug;
public class JMSDistribution extends JMSModule implements DistributionHandler {
private static final Logger logger = Debug.getLogger(JMSDistribution.class.getName());
/** Producer object. */
protected MessageProducer producer;
public void distribute(Message message) throws Exception {
if (!usable) {
throw new IllegalStateException(notUsableMessage);
}
if (logger.isLoggable(BasicLevel.DEBUG)) {
logger.log(BasicLevel.DEBUG, "send(" + message + ')');
}
synchronized (lock) {
Xid xid = null;
if (isXA) {
xid = new XidImpl(new byte[0], 1, message.id.getBytes());
if (logger.isLoggable(BasicLevel.DEBUG)) {
logger.log(BasicLevel.DEBUG, "send: xid=" + xid);
}
try {
xaRes.start(xid, XAResource.TMNOFLAGS);
} catch (XAException e) {
if (logger.isLoggable(BasicLevel.WARN)) {
logger.log(BasicLevel.WARN, "Exception:: XA can't start resource : " + xaRes, e);
}
}
}
producer.send(org.objectweb.joram.client.jms.Message.wrapMomMessage(null, message));
if (logger.isLoggable(BasicLevel.DEBUG)) {
logger.log(BasicLevel.DEBUG, "send: " + producer + " send.");
}
if (isXA) {
try {
xaRes.end(xid, XAResource.TMSUCCESS);
if (logger.isLoggable(BasicLevel.DEBUG)) {
logger.log(BasicLevel.DEBUG, "send: XA end " + xaRes);
}
} catch (XAException e) {
throw new JMSException("resource end(...) failed: " + xaRes + " :: " + e.getMessage());
}
try {
int ret = xaRes.prepare(xid);
if (ret == XAResource.XA_OK) {
xaRes.commit(xid, false);
}
if (logger.isLoggable(BasicLevel.DEBUG)) {
logger.log(BasicLevel.DEBUG, "send: XA commit " + xaRes);
}
} catch (XAException e) {
try {
xaRes.rollback(xid);
if (logger.isLoggable(BasicLevel.DEBUG)) {
logger.log(BasicLevel.DEBUG, "send: XA rollback " + xaRes);
}
} catch (XAException e1) {
}
throw new JMSException("XA resource rollback(" + xid + ") failed: " + xaRes + " :: "
+ e.getMessage());
}
}
}
}
/**
* Opens a connection with the foreign JMS server and creates the JMS
* resources for interacting with the foreign JMS destination.
*
* @exception JMSException
* If the needed JMS resources could not be created.
*/
protected void doConnect() throws JMSException {
super.doConnect();
producer = session.createProducer(dest);
}
/**
* Opens a XA connection with the foreign JMS server and creates the XA JMS
* resources for interacting with the foreign JMS destination.
*
* @exception JMSException
* If the needed JMS resources could not be created.
*/
protected void doXAConnect() throws JMSException {
super.doXAConnect();
producer = session.createProducer(dest);
}
}