/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, 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 GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* 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 GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General 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.jboss.ejb3.tx;
import java.lang.reflect.Method;
import javax.ejb.TransactionAttribute;
import javax.ejb.TransactionAttributeType;
import javax.ejb.TransactionManagementType;
import org.jboss.aop.Advisor;
import org.jboss.aop.joinpoint.Joinpoint;
import org.jboss.aop.joinpoint.MethodJoinpoint;
import org.jboss.ejb3.annotation.TransactionTimeout;
import org.jboss.ejb3.stateful.StatefulContainer;
import org.jboss.logging.Logger;
/**
* This interceptor handles transactions for AOP
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @version $Revision: 67628 $
*/
public class TxInterceptorFactory extends org.jboss.aspects.tx.TxInterceptorFactory
{
@SuppressWarnings("unused")
private static final Logger log = Logger.getLogger(TxInterceptorFactory.class);
private static final String TX_TYPE_REQUIRED = "REQUIRED";
private static final String TX_TYPE_NOT_SUPPORTED = "NOTSUPPORTED";
private static final String TX_TYPE_REQUIRES_NEW = "REQUIRESNEW";
private static final String TX_TYPE_NEVER = "NEVER";
protected String resolveTxType(Advisor advisor, Joinpoint jp)
{
Method method = ((MethodJoinpoint) jp).getMethod();
TransactionAttribute tx = (TransactionAttribute) advisor.resolveAnnotation(method, TransactionAttribute.class);
if (tx == null)
tx = (TransactionAttribute) advisor.resolveAnnotation(TransactionAttribute.class);
String value = TxInterceptorFactory.TX_TYPE_REQUIRED;
if (tx != null)
{
TransactionAttributeType type = tx.value();
if (type == null)
{
value = TxInterceptorFactory.TX_TYPE_REQUIRED;
}
else if (type == TransactionAttributeType.NOT_SUPPORTED)
{
value = TxInterceptorFactory.TX_TYPE_NOT_SUPPORTED;
}
else if (type == TransactionAttributeType.REQUIRES_NEW)
{
value = TxInterceptorFactory.TX_TYPE_REQUIRES_NEW;
}
else
{
value = type.name();
}
}
return value;
}
protected int resolveTransactionTimeout(Advisor advisor, Method method)
{
TransactionTimeout annotation = (TransactionTimeout)advisor.resolveAnnotation(method, TransactionTimeout.class);
if (annotation == null)
annotation = (TransactionTimeout)advisor.resolveAnnotation(TransactionTimeout.class);
if (annotation != null)
{
return annotation.value();
}
return -1;
}
protected void initializePolicy()
{
policy = new Ejb3TxPolicy();
}
public Object createPerJoinpoint(Advisor advisor, Joinpoint jp)
{
// We have to do this until AOP supports matching based on annotation attributes
TransactionManagementType type = TxUtil.getTransactionManagementType(advisor);
if (type == TransactionManagementType.BEAN)
return new BMTInterceptor(TxUtil.getTransactionManager(), !(advisor instanceof StatefulContainer));
Method method = ((MethodJoinpoint) jp).getMethod();
int timeout = resolveTransactionTimeout(advisor, method);
if (policy == null);
super.initialize();
String txType = resolveTxType(advisor, jp).toUpperCase();
if (txType.equals(TxInterceptorFactory.TX_TYPE_NEVER))
{
// make sure we use the EJB3 interceptor, not the AOP one.
return new TxInterceptor.Never(TxUtil.getTransactionManager(), policy);
}
else if (txType.equals(TxInterceptorFactory.TX_TYPE_REQUIRED))
{
return new TxInterceptor.Required(TxUtil.getTransactionManager(), policy, timeout);
}
else if (txType.equals(TxInterceptorFactory.TX_TYPE_REQUIRES_NEW))
{
return new TxInterceptor.RequiresNew(TxUtil.getTransactionManager(), policy, timeout);
}
else if(txType.equals(TxInterceptorFactory.TX_TYPE_NOT_SUPPORTED))
{
return new TxInterceptor.NotSupported(TxUtil.getTransactionManager(), policy, timeout);
}
else
{
return super.createPerJoinpoint(advisor, jp);
}
}
public String getName()
{
return getClass().getName();
}
}