/**
* 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.loanbroker.queue.version;
import javax.jms.ConnectionFactory;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.ExchangePattern;
import org.apache.camel.Processor;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.jms.JmsComponent;
import org.apache.camel.impl.DefaultCamelContext;
//START SNIPPET: client
public class Client extends RouteBuilder {
public static void main(String args[]) throws Exception {
CamelContext context = new DefaultCamelContext();
// Set up the ActiveMQ JMS Components
ConnectionFactory connectionFactory = new ActiveMQConnectionFactory("tcp://localhost:51616");
// Note we can explicit name of the component
context.addComponent("jms", JmsComponent.jmsComponentAutoAcknowledge(connectionFactory));
context.addRoutes(new Client());
ProducerTemplate template = context.createProducerTemplate();
context.start();
// send out the request message
for (int i = 0; i < 2; i++) {
template.sendBodyAndHeader("jms:queue:loanRequestQueue",
"Quote for the lowest rate of loaning bank",
Constants.PROPERTY_SSN, "Client-A" + i);
Thread.sleep(100);
}
// wait for the response
Thread.sleep(2000);
// send the request and get the response from the same queue
Exchange exchange = template.send("jms:queue2:parallelLoanRequestQueue", new Processor() {
public void process(Exchange exchange) throws Exception {
exchange.setPattern(ExchangePattern.InOut);
exchange.getIn().setBody("Quote for the lowst rate of loaning bank");
exchange.getIn().setHeader(Constants.PROPERTY_SSN, "Client-B");
}
});
String bank = (String)exchange.getOut().getHeader(Constants.PROPERTY_BANK);
Double rate = (Double)exchange.getOut().getHeader(Constants.PROPERTY_RATE);
String ssn = (String)exchange.getOut().getHeader(Constants.PROPERTY_SSN);
System.out.println("Loan quote for Client " + ssn + "."
+ " The lowest rate bank is " + bank + ", with rate " + rate);
// Wait a while before stop the context
Thread.sleep(1000 * 5);
context.stop();
}
/**
* Lets configure the Camel routing rules using Java code to pull the response message
*/
public void configure() {
from("jms:queue:loanReplyQueue").process(new Processor() {
public void process(Exchange exchange) throws Exception {
// Print out the response message
System.out.println(exchange.getIn().getBody());
}
});
}
}
// END SNIPPET: client