//$Id: WebSphereTransactionManagerLookup.java 8469 2005-10-26 22:03:03Z oneovthafew $
package org.hibernate.transaction;
import java.util.Properties;
import javax.transaction.TransactionManager;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.HibernateException;
/**
* TransactionManager lookup strategy for WebSphere (versions 4, 5.0 and 5.1)
* @author Gavin King
*/
public class WebSphereTransactionManagerLookup implements TransactionManagerLookup {
private static final Log log = LogFactory.getLog(WebSphereTransactionManagerLookup.class);
private final int wsVersion;
private final Class tmfClass;
public WebSphereTransactionManagerLookup() {
try {
Class clazz;
int version;
try {
clazz = Class.forName("com.ibm.ws.Transaction.TransactionManagerFactory");
version = 5;
log.info("WebSphere 5.1");
}
catch (Exception e) {
try {
clazz = Class.forName("com.ibm.ejs.jts.jta.TransactionManagerFactory");
version = 5;
log.info("WebSphere 5.0");
}
catch (Exception e2) {
clazz = Class.forName("com.ibm.ejs.jts.jta.JTSXA");
version = 4;
log.info("WebSphere 4");
}
}
tmfClass=clazz;
wsVersion=version;
}
catch (Exception e) {
throw new HibernateException( "Could not obtain WebSphere TransactionManagerFactory instance", e );
}
}
public TransactionManager getTransactionManager(Properties props) throws HibernateException {
try {
return (TransactionManager) tmfClass.getMethod("getTransactionManager", null).invoke(null, null);
}
catch (Exception e) {
throw new HibernateException( "Could not obtain WebSphere TransactionManager", e );
}
}
public String getUserTransactionName() {
return wsVersion==5 ?
"java:comp/UserTransaction":
"jta/usertransaction";
}
}
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