/* * 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(); } }