/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.openejb.core.mdb;
import org.apache.openejb.BeanContext;
import org.apache.openejb.resource.XAResourceWrapper;
import org.apache.openejb.core.transaction.TransactionType;
import org.apache.openejb.util.proxy.LocalBeanProxyFactory;
import javax.resource.spi.UnavailableException;
import javax.resource.spi.ActivationSpec;
import javax.resource.spi.endpoint.MessageEndpoint;
import javax.resource.spi.endpoint.MessageEndpointFactory;
import javax.transaction.xa.XAResource;
import javax.management.ObjectName;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
public class EndpointFactory implements MessageEndpointFactory {
private final ActivationSpec activationSpec;
private final MdbContainer container;
private final BeanContext beanContext;
private final MdbInstanceFactory instanceFactory;
private final ClassLoader classLoader;
private final Class[] interfaces;
private final XAResourceWrapper xaResourceWrapper;
protected final List<ObjectName> jmxNames = new ArrayList<ObjectName>();
public EndpointFactory(ActivationSpec activationSpec, MdbContainer container, BeanContext beanContext, MdbInstanceFactory instanceFactory, XAResourceWrapper xaResourceWrapper) {
this.activationSpec = activationSpec;
this.container = container;
this.beanContext = beanContext;
this.instanceFactory = instanceFactory;
classLoader = container.getMessageListenerInterface().getClassLoader();
interfaces = new Class[]{container.getMessageListenerInterface(), MessageEndpoint.class};
this.xaResourceWrapper = xaResourceWrapper;
}
public ActivationSpec getActivationSpec() {
return activationSpec;
}
public MdbInstanceFactory getInstanceFactory() {
return instanceFactory;
}
public MessageEndpoint createEndpoint(XAResource xaResource) throws UnavailableException {
if (xaResource != null && xaResourceWrapper != null) {
xaResource = xaResourceWrapper.wrap(xaResource, container.getContainerID().toString());
}
EndpointHandler endpointHandler = new EndpointHandler(container, beanContext, instanceFactory, xaResource);
try {
return (MessageEndpoint) LocalBeanProxyFactory.newProxyInstance(classLoader, endpointHandler, beanContext.getBeanClass(), interfaces);
} catch (InternalError e) {
//try to create the proxy with tccl once again.
ClassLoader tccl = Thread.currentThread().getContextClassLoader();
if (tccl != null) {
return (MessageEndpoint) LocalBeanProxyFactory.newProxyInstance(tccl, endpointHandler, beanContext.getBeanClass(), interfaces);
} else {
throw e;
}
}
}
public MessageEndpoint createEndpoint(XAResource xaResource, long timeout) throws UnavailableException {
if (timeout <= 0) {
return createEndpoint(xaResource);
}
long end = System.currentTimeMillis() + timeout;
MessageEndpoint messageEndpoint = null;
while (System.currentTimeMillis() <= end) {
try {
messageEndpoint = createEndpoint(xaResource);
break;
} catch (Exception ex) {
// ignore so we can keep trying
}
}
if (messageEndpoint != null) {
return messageEndpoint;
} else {
throw new UnavailableException("Unable to create end point within the specified timeout " + timeout);
}
}
public boolean isDeliveryTransacted(Method method) throws NoSuchMethodException {
TransactionType transactionType = beanContext.getTransactionType(method);
return TransactionType.Required == transactionType;
}
}