org.hibernate.engine.transaction.jta.platform.internal.WebSphereJtaPlatform Maven / Gradle / Ivy
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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.engine.transaction.jta.platform.internal;
import java.lang.reflect.Method;
import javax.transaction.TransactionManager;
import javax.transaction.UserTransaction;
import org.hibernate.engine.transaction.jta.platform.spi.JtaPlatformException;
import org.jboss.logging.Logger;
/**
* JTA platform implementation for WebSphere (versions 4, 5.0 and 5.1)
*
* @author Gavin King
* @author Steve Ebersole
*/
public class WebSphereJtaPlatform extends AbstractJtaPlatform {
private static final Logger log = Logger.getLogger( WebSphereJtaPlatform.class );
private final Class transactionManagerAccessClass;
private final WebSphereEnvironment webSphereEnvironment;
public WebSphereJtaPlatform() {
Class tmAccessClass = null;
WebSphereEnvironment webSphereEnvironment = null;
for ( WebSphereEnvironment check : WebSphereEnvironment.values() ) {
try {
tmAccessClass = Class.forName( check.getTmAccessClassName() );
webSphereEnvironment = check;
log.debugf( "WebSphere version : %s", webSphereEnvironment.getWebSphereVersion() );
break;
}
catch ( Exception ignore ) {
// go on to the next iteration
}
}
if ( webSphereEnvironment == null ) {
throw new JtaPlatformException( "Could not locate WebSphere TransactionManager access class" );
}
this.transactionManagerAccessClass = tmAccessClass;
this.webSphereEnvironment = webSphereEnvironment;
}
public WebSphereJtaPlatform(Class transactionManagerAccessClass, WebSphereEnvironment webSphereEnvironment) {
this.transactionManagerAccessClass = transactionManagerAccessClass;
this.webSphereEnvironment = webSphereEnvironment;
}
@Override
@SuppressWarnings("unchecked")
protected TransactionManager locateTransactionManager() {
try {
final Method method = transactionManagerAccessClass.getMethod( "getTransactionManager" );
return (TransactionManager) method.invoke( null );
}
catch (Exception e) {
throw new JtaPlatformException( "Could not obtain WebSphere TransactionManager", e );
}
}
@Override
protected UserTransaction locateUserTransaction() {
final String utName = webSphereEnvironment.getUtName();
return (UserTransaction) jndiService().locate( utName );
}
public static enum WebSphereEnvironment {
WS_4_0( "4.x", "com.ibm.ejs.jts.jta.JTSXA", "jta/usertransaction" ),
WS_5_0( "5.0", "com.ibm.ejs.jts.jta.TransactionManagerFactory", "java:comp/UserTransaction" ),
WS_5_1( "5.1", "com.ibm.ws.Transaction.TransactionManagerFactory", "java:comp/UserTransaction" )
;
private final String webSphereVersion;
private final String tmAccessClassName;
private final String utName;
private WebSphereEnvironment(String webSphereVersion, String tmAccessClassName, String utName) {
this.webSphereVersion = webSphereVersion;
this.tmAccessClassName = tmAccessClassName;
this.utName = utName;
}
public String getWebSphereVersion() {
return webSphereVersion;
}
public String getTmAccessClassName() {
return tmAccessClassName;
}
public String getUtName() {
return utName;
}
}
}