Examples with IMessageListener org.eclipse.scout.rt.mom.api.IMessageListener used on opensource projects

Example 11 with IMessageListener

use of org.eclipse.scout.rt.mom.api.IMessageListener in project scout.rt by eclipse.

the class JmsMomImplementorTest method testConcurrentMessageConsumption.

@Test
public void testConcurrentMessageConsumption() throws InterruptedException {
    IDestination<Object> queue = MOM.newDestination("test/mom/testConcurrentMessageConsumption", DestinationType.QUEUE, ResolveMethod.DEFINE, null);
    // 1. Publish some messages
    int msgCount = 10;
    for (int i = 0; i < msgCount; i++) {
        MOM.publish(JmsTestMom.class, queue, "hello");
    }
    // 1. Publish some messages
    final BlockingCountDownLatch latch = new BlockingCountDownLatch(msgCount, 3, TimeUnit.SECONDS);
    m_disposables.add(MOM.subscribe(JmsTestMom.class, queue, new IMessageListener<Object>() {

        @Override
        public void onMessage(IMessage<Object> message) {
            try {
                // timeout must be greater than the default latch timeout
                latch.countDownAndBlock(1, TimeUnit.MINUTES);
            } catch (InterruptedException e) {
                throw BEANS.get(DefaultRuntimeExceptionTranslator.class).translate(e);
            }
        }
    }));
    try {
        assertTrue("messages expected to be consumed concurrently", latch.await());
    } finally {
        latch.unblock();
    }
}