I have a code that reads from the IBM MQ queue manager but I want to be read from IBM MQ without removing the message from the queue, only after I send acknowledge to IBM MQ I want to remove the message
this is my IBM reader code :
public class IBMReaderStub extends AbstractReader {
private JMSContext context = null;
JMSConsumer consumer;
Destination destination;
public IBMReaderStub(String queueName) {
this(queueName, new IBMListener());
}
public IBMReaderStub(String queueName, IBMListener onMessage) {
super(ConfigurationManager.getString(HOST), ConfigurationManager.getInt(PORT, DEFAULT_IBM_PORT), queueName, new QueueWithThreadPool(), onMessage);
}
@Override
protected void initializeConsumer() {
try {
JmsConnectionFactory jmsConnectionFactory = createJmsConnectionFactory();
context = jmsConnectionFactory.createContext();
destination = context.createQueue("queue:///" + getQueueName()); // Set the producer and consumer destination to be the same... not true in general
consumer = context.createConsumer(destination);
} catch (Exception e) {
System.out.println(e);
}
listen();
}
@Override
public void listen() {
consumer.setMessageListener(getOnMessage());
}
private JmsConnectionFactory createJmsConnectionFactory() throws Exception {
JmsFactoryFactory jmsFactory = JmsFactoryFactory.getInstance(WMQConstants.WMQ_PROVIDER);
JmsConnectionFactory jmsConnectionFactory = jmsFactory.createConnectionFactory();
jmsConnectionFactory.setStringProperty(WMQConstants.WMQ_HOST_NAME, this.getHost());
jmsConnectionFactory.setIntProperty(WMQConstants.WMQ_PORT, getPort());
jmsConnectionFactory.setStringProperty(WMQConstants.WMQ_CHANNEL, ConfigurationManager.getString(CHANNEL_NAME));
jmsConnectionFactory.setStringProperty(WMQConstants.WMQ_QUEUE_MANAGER, ConfigurationManager.getString(QUEUE_MANAGER_NAME));
jmsConnectionFactory.setStringProperty(WMQConstants.WMQ_APPLICATIONNAME, ConfigurationManager.getString(APPLICATION_NAME));
jmsConnectionFactory.setIntProperty(WMQConstants.WMQ_CONNECTION_MODE, WMQConstants.WMQ_CM_CLIENT);
return jmsConnectionFactory;
}
public static void main(String[] args) {
try {
IBMReaderStub reader = new IBMReaderStub("hey");
IBMReaderStub reader2 = new IBMReaderStub("hey");
reader.listen();
reader2.listen();
} catch (Exception e) {
System.out.println(e);
}
}
}
