@Test
public void testReceiveImmediate() throws Exception {
// forces perfect round robin
locator.setConsumerWindowSize(1);
ClientSessionFactory cf = createSessionFactory(locator);
ClientSession sendSession = cf.createSession(false, true, true);
ClientProducer cp = sendSession.createProducer(addressA);
ClientSession session = cf.createSession(false, true, true);
session.createQueue(addressA, queueA, false);
ClientConsumer cc = session.createConsumer(queueA);
ClientConsumer cc2 = session.createConsumer(queueA);
session.start();
cp.send(sendSession.createMessage(false));
cp.send(sendSession.createMessage(false));
cp.send(sendSession.createMessage(false));
sendSession.commit();
Assert.assertNotNull(cc2.receive(5000));
Assert.assertNotNull(cc.receive(5000));
if (cc.receiveImmediate() == null) {
Assert.assertNotNull(cc2.receiveImmediate());
}
session.close();
sendSession.close();
}
@Test
public void testStopStartMultipleConsumers() throws Exception {
locator.setConsumerWindowSize(getMessageEncodeSize(QUEUE) * 33);
ClientSessionFactory sf = createSessionFactory(locator);
final ClientSession session = sf.createSession(false, true, true);
session.createQueue(QUEUE, QUEUE, null, false);
ClientProducer producer = session.createProducer(QUEUE);
final int numMessages = 100;
for (int i = 0; i < numMessages; i++) {
ClientMessage message = createTextMessage(session, "m" + i);
message.putIntProperty(new SimpleString("i"), i);
producer.send(message);
}
ClientConsumer consumer = session.createConsumer(QUEUE);
ClientConsumer consumer2 = session.createConsumer(QUEUE);
ClientConsumer consumer3 = session.createConsumer(QUEUE);
session.start();
ClientMessage cm = consumer.receive(5000);
Assert.assertNotNull(cm);
cm.acknowledge();
cm = consumer2.receive(5000);
Assert.assertNotNull(cm);
cm.acknowledge();
cm = consumer3.receive(5000);
Assert.assertNotNull(cm);
cm.acknowledge();
session.stop();
cm = consumer.receiveImmediate();
Assert.assertNull(cm);
cm = consumer2.receiveImmediate();
Assert.assertNull(cm);
cm = consumer3.receiveImmediate();
Assert.assertNull(cm);
session.start();
cm = consumer.receive(5000);
Assert.assertNotNull(cm);
cm = consumer2.receive(5000);
Assert.assertNotNull(cm);
cm = consumer3.receive(5000);
Assert.assertNotNull(cm);
session.close();
}
@Test
public void testBrowseWithZeroConsumerWindowSize() throws Exception {
locator.setConsumerWindowSize(0);
ClientSessionFactory sf = createSessionFactory(locator);
ClientSession session = sf.createSession(false, true, true);
session.createQueue(QUEUE, QUEUE, null, false);
ClientProducer producer = session.createProducer(QUEUE);
final int numMessages = 100;
byte[] bytes = new byte[240];
for (int i = 0; i < numMessages; i++) {
ClientMessage message = session.createMessage(false);
message.getBodyBuffer().writeBytes(bytes);
message.putIntProperty("foo", i);
producer.send(message);
}
// Create a normal non browsing consumer
session.createConsumer(QUEUE);
session.start();
ClientConsumer browser = session.createConsumer(QUEUE, true);
for (int i = 0; i < numMessages; i++) {
ClientMessage message2 = browser.receive(1000);
assertEquals(i, message2.getIntProperty("foo").intValue());
}
session.close();
}