LocalXAResourceImpl.java
/*
* IronJacamar, a Java EE Connector Architecture implementation
* Copyright 2015, Red Hat Inc, 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 Eclipse Public License 1.0 as
* published by the Free Software Foundation.
*
* 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 Eclipse
* Public License for more details.
*
* You should have received a copy of the Eclipse 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.ironjacamar.core.tx.narayana;
import org.ironjacamar.core.CoreBundle;
import org.ironjacamar.core.CoreLogger;
import org.ironjacamar.core.api.connectionmanager.ConnectionManager;
import org.ironjacamar.core.api.connectionmanager.listener.ConnectionListener;
import org.ironjacamar.core.spi.transaction.local.LocalResourceException;
import org.ironjacamar.core.spi.transaction.local.LocalXAException;
import org.ironjacamar.core.spi.transaction.local.LocalXAResource;
import javax.resource.ResourceException;
import javax.transaction.xa.XAException;
import javax.transaction.xa.XAResource;
import javax.transaction.xa.Xid;
import org.jboss.logging.Logger;
import org.jboss.logging.Messages;
/**
* Local XA resource implementation.
*
* @author <a href="mailto:gurkanerdogdu@yahoo.com">Gurkan Erdogdu</a>
* @author <a href="mailto:jesper.pedersen@ironjacamar.org">Jesper Pedersen</a>
*/
public class LocalXAResourceImpl implements LocalXAResource,
org.ironjacamar.core.spi.transaction.LastResource,
org.jboss.tm.LastResource,
org.ironjacamar.core.spi.transaction.xa.XAResourceWrapper,
org.jboss.tm.XAResourceWrapper
{
/** Log instance */
private static CoreLogger log = Logger.getMessageLogger(CoreLogger.class, LocalXAResourceImpl.class.getName());
private static boolean trace = log.isTraceEnabled();
/** The bundle */
private static CoreBundle bundle = Messages.getBundle(CoreBundle.class);
/** Connection listener */
private ConnectionListener cl;
/**Connection manager*/
private ConnectionManager connectionManager = null;
/**
* <code>warned</code> is set after one warning about a local participant in
* a multi-branch jta transaction is logged.
*/
private boolean warned = false;
/** Current transction branch id */
private Xid currentXid;
/** Product name */
private String productName;
/** Product version */
private String productVersion;
/** Product version */
private String jndiName;
/**
* Creates a new instance.
* @param productName product name
* @param productVersion product version
* @param jndiName jndi name
*/
public LocalXAResourceImpl(String productName, String productVersion,
String jndiName)
{
this.productName = productName;
this.productVersion = productVersion;
this.jndiName = jndiName;
}
/**
* {@inheritDoc}
*/
public void setConnectionManager(ConnectionManager connectionManager)
{
this.connectionManager = connectionManager;
}
/**
* {@inheritDoc}
*/
public void setConnectionListener(ConnectionListener cl)
{
this.cl = cl;
}
/**
* {@inheritDoc}
*/
public void start(Xid xid, int flags) throws XAException
{
if (trace)
log.tracef("start(%s, %s)", xid, flags);
if (currentXid != null && flags == XAResource.TMNOFLAGS)
{
throw new LocalXAException(bundle.tryingStartNewTxWhenOldNotComplete(
currentXid, xid, flags), XAException.XAER_PROTO);
}
if (currentXid == null && flags != XAResource.TMNOFLAGS)
{
throw new LocalXAException(bundle.tryingStartNewTxWithWrongFlags(xid, flags), XAException.XAER_PROTO);
}
if (currentXid == null)
{
try
{
cl.getManagedConnection().getLocalTransaction().begin();
}
catch (ResourceException re)
{
throw new LocalXAException(bundle.errorTryingStartLocalTx(), XAException.XAER_RMERR, re);
}
catch (Throwable t)
{
throw new LocalXAException(bundle.throwableTryingStartLocalTx(), XAException.XAER_RMERR, t);
}
currentXid = xid;
}
}
/**
* {@inheritDoc}
*/
public void end(Xid xid, int flags) throws XAException
{
if (trace)
log.tracef("end(%s,%s)", xid, flags);
}
/**
* {@inheritDoc}
*/
public void commit(Xid xid, boolean onePhase) throws XAException
{
if (!xid.equals(currentXid))
{
throw new LocalXAException(bundle.wrongXidInCommit(currentXid, xid), XAException.XAER_PROTO);
}
currentXid = null;
try
{
cl.getManagedConnection().getLocalTransaction().commit();
}
catch (LocalResourceException lre)
{
connectionManager.returnConnectionListener(cl, true);
throw new LocalXAException(bundle.couldNotCommitLocalTx(), XAException.XAER_RMFAIL, lre);
}
catch (ResourceException re)
{
connectionManager.returnConnectionListener(cl, true);
throw new LocalXAException(bundle.couldNotCommitLocalTx(), XAException.XA_RBROLLBACK, re);
}
}
/**
* {@inheritDoc}
*/
public void forget(Xid xid) throws XAException
{
throw new LocalXAException(bundle.forgetNotSupportedInLocalTx(), XAException.XAER_RMERR);
}
/**
* {@inheritDoc}
*/
public int getTransactionTimeout() throws XAException
{
return 0;
}
/**
* {@inheritDoc}
*/
public boolean isSameRM(XAResource xaResource) throws XAException
{
return xaResource == this;
}
/**
* {@inheritDoc}
*/
public int prepare(Xid xid) throws XAException
{
if (!warned)
{
log.prepareCalledOnLocaltx();
}
warned = true;
return XAResource.XA_OK;
}
/**
* {@inheritDoc}
*/
public Xid[] recover(int flag) throws XAException
{
throw new LocalXAException(bundle.noRecoverWithLocalTxResourceManagers(), XAException.XAER_RMERR);
}
/**
* {@inheritDoc}
*/
public void rollback(Xid xid) throws XAException
{
if (!xid.equals(currentXid))
{
throw new LocalXAException(bundle.wrongXidInRollback(currentXid, xid), XAException.XAER_PROTO);
}
currentXid = null;
try
{
cl.getManagedConnection().getLocalTransaction().rollback();
}
catch (LocalResourceException lre)
{
connectionManager.returnConnectionListener(cl, true);
throw new LocalXAException(bundle.couldNotRollbackLocalTx(), XAException.XAER_RMFAIL, lre);
}
catch (ResourceException re)
{
connectionManager.returnConnectionListener(cl, true);
throw new LocalXAException(bundle.couldNotRollbackLocalTx(), XAException.XAER_RMERR, re);
}
}
/**
* {@inheritDoc}
*/
public boolean setTransactionTimeout(int seconds) throws XAException
{
return false;
}
/**
* {@inheritDoc}
*/
public XAResource getResource()
{
return this;
}
/**
* {@inheritDoc}
*/
public String getProductName()
{
return productName;
}
/**
* {@inheritDoc}
*/
public String getProductVersion()
{
return productVersion;
}
/**
* {@inheritDoc}
*/
public String getJndiName()
{
return jndiName;
}
/**
* String representation
* @return The string
*/
@Override
public String toString()
{
StringBuilder sb = new StringBuilder();
sb.append("LocalXAResourceImpl@").append(Integer.toHexString(System.identityHashCode(this)));
sb.append("[connectionListener=").append(cl != null ? Integer.toHexString(System.identityHashCode(cl)) : "null");
sb.append(" connectionManager=").append(connectionManager != null ?
Integer.toHexString(System.identityHashCode(connectionManager)) : "null");
sb.append(" warned=").append(warned);
sb.append(" currentXid=").append(currentXid);
sb.append(" productName=").append(productName);
sb.append(" productVersion=").append(productVersion);
sb.append(" jndiName=").append(jndiName);
sb.append("]");
return sb.toString();
}
}