/**
* 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;
import javax.jms.ConnectionFactory;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.camel.CamelContext;
import org.apache.camel.ConsumerTemplate;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import static org.apache.camel.component.jms.JmsComponent.jmsComponentClientAcknowledge;
/**
* @version $Revision: 759845 $
*/
public class JmsTimerBasedPollingConsumerTest extends ContextTestSupport {
public void testJmsTimerBasedPollingConsumer() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectsAscending(header("number"));
mock.expectedMessageCount(10);
for (int i = 0; i < 10; i++) {
template.sendBody("activemq:queue.inbox", "World");
}
assertMockEndpointsSatisfied();
}
protected CamelContext createCamelContext() throws Exception {
CamelContext camelContext = super.createCamelContext();
ConnectionFactory connectionFactory = new ActiveMQConnectionFactory("vm://localhost?broker.persistent=false");
camelContext.addComponent("activemq", jmsComponentClientAcknowledge(connectionFactory));
return camelContext;
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
// START SNIPPET: e1
MyCoolBean cool = new MyCoolBean();
cool.setProducer(template);
cool.setConsumer(consumer);
from("timer://foo?period=5000").bean(cool, "someBusinessLogic");
from("activemq:queue.foo").to("mock:result");
// END SNIPPET: e1
}
};
}
// START SNIPPET: e2
public static class MyCoolBean {
private int count;
private ConsumerTemplate consumer;
private ProducerTemplate producer;
public void setConsumer(ConsumerTemplate consumer) {
this.consumer = consumer;
}
public void setProducer(ProducerTemplate producer) {
this.producer = producer;
}
public void someBusinessLogic() {
// loop to empty queue
while (true) {
// receive the message from the queue, wait at most 3 sec
String msg = consumer.receiveBody("activemq:queue.inbox", 3000, String.class);
if (msg == null) {
// no more messages in queue
break;
}
// do something with body
msg = "Hello " + msg;
// send it to the next queue
producer.sendBodyAndHeader("activemq:queue.foo", msg, "number", count++);
}
}
}
// END SNIPPET: e2
}