/**
* 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.itest.async;
import javax.jms.ConnectionFactory;
import javax.naming.Context;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.jms.JmsComponent;
import org.apache.camel.impl.JndiRegistry;
import org.apache.camel.impl.StringDataFormat;
import org.apache.camel.itest.CamelJmsTestHelper;
import org.apache.camel.spi.DataFormat;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.apache.camel.util.jndi.JndiContext;
import org.junit.Before;
import org.junit.Test;
import static org.apache.camel.component.jms.JmsComponent.jmsComponentAutoAcknowledge;
/**
* @version
*/
public class HttpAsyncDslTest extends CamelTestSupport {
private static volatile String order = "";
@Test
public void testRequestOnly() throws Exception {
getMockEndpoint("mock:validate").expectedMessageCount(1);
// even though its request only the message is still continued being processed
getMockEndpoint("mock:order").expectedMessageCount(1);
template.sendBody("jms:queue:order", "Order: Camel in Action");
order += "C";
assertMockEndpointsSatisfied();
// B should be last (either ABC or BAC depending on threading)
assertEquals(3, order.length());
assertTrue(order.endsWith("B"));
}
@Test
public void testRequestReply() throws Exception {
getMockEndpoint("mock:validate").expectedMessageCount(1);
// even though its request only the message is still continued being processed
getMockEndpoint("mock:order").expectedMessageCount(1);
String response = template.requestBody("jms:queue:order", "Order: Camel in Action", String.class);
order += "C";
assertMockEndpointsSatisfied();
// should be in strict ABC order as we do request/reply
assertEquals("ABC", order);
assertEquals("Order OK", response);
}
@Override
@Before
public void setUp() throws Exception {
order = "";
super.setUp();
}
@Override
protected JndiRegistry createRegistry() throws Exception {
JndiRegistry jndi = super.createRegistry();
jndi.bind("validateOrder", new MyValidateOrderBean());
jndi.bind("handleOrder", new MyHandleOrderBean());
return jndi;
}
@Override
protected Context createJndiContext() throws Exception {
JndiContext answer = new JndiContext();
// add ActiveMQ with embedded broker
ConnectionFactory connectionFactory = CamelJmsTestHelper.createConnectionFactory();
JmsComponent amq = jmsComponentAutoAcknowledge(connectionFactory);
amq.setCamelContext(context);
answer.bind("jms", amq);
return answer;
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
// START SNIPPET: e1
// just a unit test but imaging using your own data format that does complex
// and CPU heavy processing for decrypting the message
DataFormat mySecureDataFormat = new StringDataFormat("iso-8859-1");
// list on the JMS queue for new orders
from("jms:queue:order")
// do some sanity check validation
.to("bean:validateOrder")
.to("mock:validate")
// use multi threading with a pool size of 20
// turn the route async as some others do not expect a reply
// and a few does then we can use the threads DSL as a turning point
// if the JMS ReplyTo was set then we expect a reply, otherwise not
// use a pool of 20 threads for the point forward
.threads(20)
// do some CPU heavy processing of the message (we simulate and delay just 500 ms)
.unmarshal(mySecureDataFormat).delay(500).to("bean:handleOrder").to("mock:order");
// END SNIPPET: e1
}
};
}
public static class MyValidateOrderBean {
public void validateOrder(byte[] payload) {
order += "A";
// noop
}
}
public static class MyHandleOrderBean {
public String handleOrder(String message) {
order += "B";
return "Order OK";
// noop
}
}
}