XAResourceWrapperImpl.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.CoreLogger;
import org.ironjacamar.core.spi.transaction.xa.XidWrapper;
import javax.transaction.xa.XAException;
import javax.transaction.xa.XAResource;
import javax.transaction.xa.Xid;
import org.jboss.logging.Logger;
/**
* A XAResourceWrapper.
*
* @author <a href="wprice@redhat.com">Weston Price</a>
* @author <a href="jesper.pedersen@ironjacamar.org">Jesper Pedersen</a>
*/
public class XAResourceWrapperImpl implements org.ironjacamar.core.spi.transaction.xa.XAResourceWrapper,
org.jboss.tm.XAResourceWrapper
{
/** Log instance */
private static CoreLogger log = Logger.getMessageLogger(CoreLogger.class, XAResourceWrapperImpl.class.getName());
/** The XA resource */
private final XAResource xaResource;
/** Pad */
private final boolean pad;
/** Override Rm Value */
private final Boolean overrideRmValue;
/** Product name */
private final String productName;
/** Product version */
private final String productVersion;
/** Product version */
private final String jndiName;
/** Cached hashCode() */
private transient int cachedHashCode;
/**
* Creates a new wrapper instance.
* @param resource xaresource
* @param productName product name
* @param productVersion product version
*/
public XAResourceWrapperImpl(XAResource resource,
String productName, String productVersion)
{
this(resource, false, null, productName, productVersion, null);
}
/**
* Creates a new wrapper instance.
* @param resource xaresource
* @param pad pad
* @param override override
* @param productName product name
* @param productVersion product version
* @param jndiName jndi name
*/
public XAResourceWrapperImpl(XAResource resource, boolean pad, Boolean override,
String productName, String productVersion,
String jndiName)
{
this.overrideRmValue = override;
this.pad = pad;
this.xaResource = resource;
this.productName = productName;
this.productVersion = productVersion;
this.jndiName = jndiName;
}
/**
* {@inheritDoc}
*/
public void commit(Xid xid, boolean onePhase) throws XAException
{
if (pad)
xid = convertXid(xid);
xaResource.commit(xid, onePhase);
}
/**
* {@inheritDoc}
*/
public void end(Xid xid, int flags) throws XAException
{
if (pad)
xid = convertXid(xid);
xaResource.end(xid, flags);
}
/**
* {@inheritDoc}
*/
public void forget(Xid xid) throws XAException
{
if (pad)
xid = convertXid(xid);
xaResource.forget(xid);
}
/**
* {@inheritDoc}
*/
public int getTransactionTimeout() throws XAException
{
return xaResource.getTransactionTimeout();
}
/**
* {@inheritDoc}
*/
public boolean isSameRM(XAResource resource) throws XAException
{
if (overrideRmValue != null)
{
if (log.isTraceEnabled())
{
log.trace("Executing isSameRM with override value" + overrideRmValue + " for XAResourceWrapper" + this);
}
return overrideRmValue.booleanValue();
}
else
{
if (resource instanceof org.ironjacamar.core.spi.transaction.xa.XAResourceWrapper)
{
org.ironjacamar.core.spi.transaction.xa.XAResourceWrapper other =
(org.ironjacamar.core.spi.transaction.xa.XAResourceWrapper)resource;
return xaResource.isSameRM(other.getResource());
}
else
{
return xaResource.isSameRM(resource);
}
}
}
/**
* {@inheritDoc}
*/
public int prepare(Xid xid) throws XAException
{
if (pad)
xid = convertXid(xid);
return xaResource.prepare(xid);
}
/**
* {@inheritDoc}
*/
public Xid[] recover(int flag) throws XAException
{
return xaResource.recover(flag);
}
/**
* {@inheritDoc}
*/
public void rollback(Xid xid) throws XAException
{
if (pad)
xid = convertXid(xid);
xaResource.rollback(xid);
}
/**
* {@inheritDoc}
*/
public boolean setTransactionTimeout(int flag) throws XAException
{
return xaResource.setTransactionTimeout(flag);
}
/**
* {@inheritDoc}
*/
public void start(Xid xid, int flags) throws XAException
{
if (pad)
xid = convertXid(xid);
xaResource.start(xid, flags);
}
/**
* Get the XAResource that is being wrapped
* @return The XAResource
*/
public XAResource getResource()
{
return xaResource;
}
/**
* Get product name
* @return Product name of the instance if defined; otherwise <code>null</code>
*/
public String getProductName()
{
return productName;
}
/**
* Get product version
* @return Product version of the instance if defined; otherwise <code>null</code>
*/
public String getProductVersion()
{
return productVersion;
}
/**
* {@inheritDoc}
*/
public String getJndiName()
{
return jndiName;
}
/**
* Return wrapper for given xid.
* @param xid xid
* @return return wrapper
*/
private Xid convertXid(Xid xid)
{
if (xid instanceof XidWrapper)
return xid;
else
return new XidWrapperImpl(xid, pad, jndiName);
}
/**
* {@inheritDoc}
*/
public boolean equals(Object object)
{
if (object == this)
return true;
if (object == null || !(object instanceof XAResourceWrapperImpl))
return false;
XAResourceWrapperImpl other = (XAResourceWrapperImpl)object;
if (xaResource != null)
{
if (!xaResource.equals(other.xaResource))
return false;
}
else
{
if (other.xaResource != null)
return false;
}
if (pad != other.pad)
return false;
if (overrideRmValue != null)
{
if (!overrideRmValue.equals(other.overrideRmValue))
return false;
}
else
{
if (other.overrideRmValue != null)
return false;
}
if (productName != null)
{
if (!productName.equals(other.productName))
return false;
}
else
{
if (other.productName != null)
return false;
}
if (productVersion != null)
{
if (!productVersion.equals(other.productVersion))
return false;
}
else
{
if (other.productVersion != null)
return false;
}
if (jndiName != null)
{
if (!jndiName.equals(other.jndiName))
return false;
}
else
{
if (other.jndiName != null)
return false;
}
return true;
}
/**
* {@inheritDoc}
*/
public int hashCode()
{
if (cachedHashCode == 0)
{
int result = 31;
result += xaResource != null ? 7 * xaResource.hashCode() : 7;
result += pad ? 7 : 1;
result += overrideRmValue != null ? 7 * overrideRmValue.hashCode() : 7;
result += productName != null ? 7 * productName.hashCode() : 7;
result += productVersion != null ? 7 * productVersion.hashCode() : 7;
result += jndiName != null ? 7 * jndiName.hashCode() : 7;
cachedHashCode = result;
}
return cachedHashCode;
}
/**
* {@inheritDoc}
*/
public String toString()
{
StringBuilder sb = new StringBuilder();
sb.append("XAResourceWrapperImpl@").append(Integer.toHexString(System.identityHashCode(this)));
sb.append("[xaResource=").append(xaResource);
sb.append(" pad=").append(pad);
sb.append(" overrideRmValue=").append(overrideRmValue);
sb.append(" productName=").append(productName);
sb.append(" productVersion=").append(productVersion);
sb.append(" jndiName=").append(jndiName);
sb.append("]");
return sb.toString();
}
}