mq5.0-source.src.share.java.examples.jms20.deliverycount.JMSXDeliveryCountExample1 Maven / Gradle / Ivy
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import javax.jms.*;
import com.sun.messaging.jmq.jmsclient.ConnectionMetaDataImpl;
/**
* The JMSXDeliveryCountExample1.class checks the JMSXDeliverycount on
* redelivered msg with CLIENT_ACKNOWLDEGE.
* Specify a queue name on the command line when you run
* the program.
*
*/
public class JMSXDeliveryCountExample1 {
private String destName = null;
static int exitcode = 0;
/**
* Main method.
*
* @param args the queue used by the example
*/
public static void main(String args[]) {
if ( args.length < 1 ) {
System.out.println("Usage: java JMSXDeliveryCountExample1 ");
System.exit(1);
}
JMSXDeliveryCountExample1 deliveryCountExample1 = new JMSXDeliveryCountExample1();
deliveryCountExample1.parseArgs(args);
try {
deliveryCountExample1.runTest();
}catch(JMSException ex) {
ex.printStackTrace();
exitcode = 1;
}
System.exit(exitcode);
}
/**
* parseArgs method.
*
* @param args the arguments that are passed through main method
*/
public void parseArgs(String[] args){
destName = new String(args[0]);
System.out.println("Queue name is " + destName);
}
/*
* Receive msg with CLIENT_ACKNOWLEDGE
* Close the connection without ack
* Receive the redelivered msg again.
*
* @param none
* @throws JMSException
*/
protected void runTest() throws JMSException {
ConnectionFactory connectionFactory = new com.sun.messaging.ConnectionFactory();
String uniqueID = Long.toString(System.currentTimeMillis());
// send 1 messages to the queue
JMSContext context = connectionFactory.createContext(JMSContext.AUTO_ACKNOWLEDGE);
context.acknowledge();
JMSProducer producer = context.createProducer();
producer.send(context.createQueue(destName), context.createTextMessage(uniqueID));
System.out.println("Sent message to the Queue");
context.close();
// receive 1 message from the queue
context = connectionFactory.createContext(JMSContext.CLIENT_ACKNOWLEDGE);
context.start();
JMSConsumer consumer = context.createConsumer(context.createQueue(destName));
TextMessage textMessage = (TextMessage) consumer.receive(10000);
if ( textMessage != null) {
System.out.println("Message received..");
} else {
System.out.println("Message not received..");
exitcode=1;
return;
}
String payload = textMessage.getText();
System.out.println("Message received : "+payload);
// Check the JMSDeliveryCount for the message
int deliveryCount = textMessage.getIntProperty(ConnectionMetaDataImpl.JMSXDeliveryCount);
System.out.println("JMSXDeliveryCount for the received message : "+deliveryCount);
context.close();
System.out.println("Close the context without ack");
// receive the message from queue again
context = connectionFactory.createContext(JMSContext.CLIENT_ACKNOWLEDGE);
context.start();
consumer = context.createConsumer(context.createQueue(destName));
textMessage = (TextMessage) consumer.receive(10000);
if ( textMessage != null) {
System.out.println("Received the redelivered msg ..");
} else {
System.out.println("Message not redelivered ..");
exitcode=1;
return;
}
payload = textMessage.getText();
System.out.println("Message Redelivered : "+payload);
// Check the JMSXDeliveryCount for the redelivered message
deliveryCount = textMessage.getIntProperty(ConnectionMetaDataImpl.JMSXDeliveryCount);
System.out.println("JMSXDeliveryCount for the redelivered message : "+deliveryCount);
context.acknowledge();
context.close();
}
}