/**
* 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.camel.component.jms.reply;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
import javax.jms.TemporaryQueue;
import org.apache.camel.AsyncCallback;
import org.apache.camel.Exchange;
import org.apache.camel.component.jms.DefaultSpringErrorHandler;
import org.springframework.jms.listener.AbstractMessageListenerContainer;
import org.springframework.jms.listener.DefaultMessageListenerContainer;
import org.springframework.jms.support.destination.DestinationResolver;
/**
* A {@link ReplyManager} when using temporary queues.
*
* @version
*/
public class TemporaryQueueReplyManager extends ReplyManagerSupport {
public String registerReply(ReplyManager replyManager, Exchange exchange, AsyncCallback callback,
String originalCorrelationId, String correlationId, long requestTimeout) {
// add to correlation map
TemporaryQueueReplyHandler handler = new TemporaryQueueReplyHandler(this, exchange, callback, originalCorrelationId, correlationId, requestTimeout);
correlation.put(correlationId, handler, requestTimeout);
return correlationId;
}
public void updateCorrelationId(String correlationId, String newCorrelationId, long requestTimeout) {
log.trace("Updated provisional correlationId [{}] to expected correlationId [{}]", correlationId, newCorrelationId);
ReplyHandler handler = correlation.remove(correlationId);
correlation.put(newCorrelationId, handler, requestTimeout);
}
@Override
protected void handleReplyMessage(String correlationID, Message message) {
ReplyHandler handler = correlation.get(correlationID);
if (handler == null && endpoint.isUseMessageIDAsCorrelationID()) {
handler = waitForProvisionCorrelationToBeUpdated(correlationID, message);
}
if (handler != null) {
try {
handler.onReply(correlationID, message);
} finally {
correlation.remove(correlationID);
}
} else {
// we could not correlate the received reply message to a matching request and therefore
// we cannot continue routing the unknown message
// log a warn and then ignore the message
log.warn("Reply received for unknown correlationID [{}]. The message will be ignored: {}", correlationID, message);
}
}
public void setReplyToSelectorHeader(org.apache.camel.Message camelMessage, Message jmsMessage) throws JMSException {
// noop
}
@Override
protected AbstractMessageListenerContainer createListenerContainer() throws Exception {
// Use DefaultMessageListenerContainer as it supports reconnects (see CAMEL-3193)
DefaultMessageListenerContainer answer = new DefaultMessageListenerContainer();
answer.setDestinationName("temporary");
answer.setDestinationResolver(new DestinationResolver() {
public Destination resolveDestinationName(Session session, String destinationName,
boolean pubSubDomain) throws JMSException {
// use a temporary queue to gather the reply message
TemporaryQueue queue = session.createTemporaryQueue();
setReplyTo(queue);
return queue;
}
});
answer.setAutoStartup(true);
answer.setMessageListener(this);
answer.setPubSubDomain(false);
answer.setSubscriptionDurable(false);
answer.setConcurrentConsumers(1);
answer.setMaxConcurrentConsumers(1);
answer.setConnectionFactory(endpoint.getConnectionFactory());
String clientId = endpoint.getClientId();
if (clientId != null) {
clientId += ".CamelReplyManager";
answer.setClientId(clientId);
}
// we cannot do request-reply over JMS with transaction
answer.setSessionTransacted(false);
// other optional properties
if (endpoint.getExceptionListener() != null) {
answer.setExceptionListener(endpoint.getExceptionListener());
}
if (endpoint.getErrorHandler() != null) {
answer.setErrorHandler(endpoint.getErrorHandler());
} else {
answer.setErrorHandler(new DefaultSpringErrorHandler(TemporaryQueueReplyManager.class, endpoint.getErrorHandlerLoggingLevel(), endpoint.isErrorHandlerLogStackTrace()));
}
if (endpoint.getReceiveTimeout() >= 0) {
answer.setReceiveTimeout(endpoint.getReceiveTimeout());
}
if (endpoint.getRecoveryInterval() >= 0) {
answer.setRecoveryInterval(endpoint.getRecoveryInterval());
}
// do not use a task executor for reply as we are are always a single threaded task
// setup a bean name which is used ny Spring JMS as the thread name
String name = "TemporaryQueueReplyManager[" + answer.getDestinationName() + "]";
name = endpoint.getCamelContext().getExecutorServiceManager().resolveThreadName(name);
answer.setBeanName(name);
return answer;
}
}