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/*
* JBoss, Home of Professional Open Source.
* Copyright (c) 2011, 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 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.as.ejb3.tx;
import javax.ejb.TransactionAttributeType;
import javax.transaction.Status;
import javax.transaction.Transaction;
import org.jboss.as.ee.component.Component;
import org.jboss.as.ee.component.ComponentInterceptorFactory;
import org.jboss.as.ejb3.logging.EjbLogger;
import org.jboss.as.ejb3.component.EJBComponent;
import org.jboss.as.ejb3.component.MethodIntf;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactoryContext;
import org.jboss.invocation.proxy.MethodIdentifier;
import org.wildfly.transaction.client.ContextTransactionManager;
/**
* Transaction interceptor for Singleton and Stateless beans,
*
* @author Carlo de Wolf
*/
public class LifecycleCMTTxInterceptor extends CMTTxInterceptor {
private final TransactionAttributeType transactionAttributeType;
private final int transactionTimeout;
public LifecycleCMTTxInterceptor(final TransactionAttributeType transactionAttributeType, final int transactionTimeout) {
this.transactionAttributeType = transactionAttributeType;
this.transactionTimeout = transactionTimeout;
}
@Override
public Object processInvocation(InterceptorContext invocation) throws Exception {
final EJBComponent component = (EJBComponent) invocation.getPrivateData(Component.class);
switch (transactionAttributeType) {
case MANDATORY:
return mandatory(invocation, component);
case NEVER:
return never(invocation, component);
case NOT_SUPPORTED:
return notSupported(invocation, component);
case REQUIRED:
return required(invocation, component, transactionTimeout);
case REQUIRES_NEW:
return requiresNew(invocation, component, transactionTimeout);
case SUPPORTS:
return supports(invocation, component);
default:
throw EjbLogger.ROOT_LOGGER.unknownTxAttributeOnInvocation(transactionAttributeType, invocation);
}
}
@Override
protected Object notSupported(InterceptorContext invocation, EJBComponent component) throws Exception {
Transaction tx = ContextTransactionManager.getInstance().getTransaction();
int status = (tx != null) ? tx.getStatus() : Status.STATUS_NO_TRANSACTION;
// If invocation was triggered from Synchronization.afterCompletion(...)
// then skip suspend/resume of associated tx since JTS refuses to resume a completed tx
switch (status) {
case Status.STATUS_NO_TRANSACTION:
case Status.STATUS_COMMITTED:
case Status.STATUS_ROLLEDBACK: {
return invokeInNoTx(invocation, component);
}
default: {
return super.notSupported(invocation, component);
}
}
}
/**
* @author Stuart Douglas
*/
public static class Factory extends ComponentInterceptorFactory {
private final MethodIdentifier methodIdentifier;
/**
* If this is false it means the bean is a SFSB, and can only be NOT_SUPPORTED or REQUIRES_NEW
*/
private final boolean treatRequiredAsRequiresNew;
public Factory(final MethodIdentifier methodIdentifier, final boolean treatRequiredAsRequiresNew) {
this.methodIdentifier = methodIdentifier;
this.treatRequiredAsRequiresNew = treatRequiredAsRequiresNew;
}
@Override
protected Interceptor create(Component component, InterceptorFactoryContext context) {
final EJBComponent ejb = (EJBComponent) component;
TransactionAttributeType txAttr;
if (methodIdentifier == null) {
if(treatRequiredAsRequiresNew) {
txAttr = TransactionAttributeType.REQUIRED;
} else {
//for stateful beans we default to NOT_SUPPORTED
txAttr = TransactionAttributeType.NOT_SUPPORTED;
}
} else {
txAttr = ejb.getTransactionAttributeType(MethodIntf.BEAN, methodIdentifier, treatRequiredAsRequiresNew ? TransactionAttributeType.REQUIRES_NEW : TransactionAttributeType.NOT_SUPPORTED);
}
final int txTimeout;
if(methodIdentifier == null) {
txTimeout = -1;
} else {
txTimeout = ejb.getTransactionTimeout(MethodIntf.BEAN, methodIdentifier);
}
if (treatRequiredAsRequiresNew && txAttr == TransactionAttributeType.REQUIRED) {
txAttr = TransactionAttributeType.REQUIRES_NEW;
}
if(!treatRequiredAsRequiresNew ) {
if(txAttr != TransactionAttributeType.NOT_SUPPORTED &&
txAttr != TransactionAttributeType.REQUIRES_NEW) {
if(ejb.isTransactionAttributeTypeExplicit(MethodIntf.BEAN, methodIdentifier)) {
EjbLogger.ROOT_LOGGER.invalidTransactionTypeForSfsbLifecycleMethod(txAttr, methodIdentifier, ejb.getComponentClass());
}
txAttr = TransactionAttributeType.NOT_SUPPORTED;
}
}
final LifecycleCMTTxInterceptor interceptor = new LifecycleCMTTxInterceptor(txAttr, txTimeout);
return interceptor;
}
}
}
