Java Code Examples for org.apache.pulsar.client.api.PulsarClientException#AlreadyClosedException

The following examples show how to use org.apache.pulsar.client.api.PulsarClientException#AlreadyClosedException . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ConsumerBase.java    From pulsar with Apache License 2.0 6 votes vote down vote up 
private void verifyConsumerState() throws PulsarClientException {
    switch (getState()) {
        case Ready:
        case Connecting:
            break; // Ok
        case Closing:
        case Closed:
            throw  new PulsarClientException.AlreadyClosedException("Consumer already closed");
        case Terminated:
            throw new PulsarClientException.AlreadyClosedException("Topic was terminated");
        case Failed:
        case Uninitialized:
            throw new PulsarClientException.NotConnectedException();
        default:
            break;
    }
}
Example 2
Source File: PersistentTopicE2ETest.java    From pulsar with Apache License 2.0 4 votes vote down vote up 
@Test
public void testSimpleConsumerEvents() throws Exception {
    final String topicName = "persistent://prop/ns-abc/topic1";
    final String subName = "sub1";
    final int numMsgs = 10;

    // 1. client connect
    Consumer<byte[]> consumer = pulsarClient.newConsumer().topic(topicName).subscriptionName(subName).subscribe();

    PersistentTopic topicRef = (PersistentTopic) pulsar.getBrokerService().getTopicReference(topicName).get();
    PersistentSubscription subRef = topicRef.getSubscription(subName);

    assertNotNull(topicRef);
    assertNotNull(subRef);
    assertTrue(subRef.getDispatcher().isConsumerConnected());

    Thread.sleep(ASYNC_EVENT_COMPLETION_WAIT);
    assertEquals(getAvailablePermits(subRef), 1000 /* default */);

    Producer<byte[]> producer = pulsarClient.newProducer()
        .topic(topicName)
        .enableBatching(false)
        .messageRoutingMode(MessageRoutingMode.SinglePartition)
        .create();
    for (int i = 0; i < numMsgs * 2; i++) {
        String message = "my-message-" + i;
        producer.send(message.getBytes());
    }

    assertTrue(subRef.getDispatcher().isConsumerConnected());
    rolloverPerIntervalStats();
    assertEquals(subRef.getNumberOfEntriesInBacklog(false), numMsgs * 2);

    // 2. messages pushed before client receive
    Thread.sleep(ASYNC_EVENT_COMPLETION_WAIT);
    assertEquals(getAvailablePermits(subRef), 1000 - numMsgs * 2);

    Message<byte[]> msg = null;
    for (int i = 0; i < numMsgs; i++) {
        msg = consumer.receive();
        // 3. in-order message delivery
        assertEquals(new String(msg.getData()), "my-message-" + i);
        consumer.acknowledge(msg);
    }

    rolloverPerIntervalStats();

    // 4. messages deleted on individual acks
    Thread.sleep(ASYNC_EVENT_COMPLETION_WAIT);
    assertEquals(subRef.getNumberOfEntriesInBacklog(false), numMsgs);

    for (int i = 0; i < numMsgs; i++) {
        msg = consumer.receive();
        if (i == numMsgs - 1) {
            consumer.acknowledgeCumulative(msg);
        }
    }

    rolloverPerIntervalStats();

    // 5. messages deleted on cumulative acks
    Thread.sleep(ASYNC_EVENT_COMPLETION_WAIT);
    assertEquals(subRef.getNumberOfEntriesInBacklog(false), 0);

    // 6. consumer unsubscribe
    consumer.unsubscribe();

    // 6. consumer graceful close
    consumer.close();

    // 7. consumer unsubscribe
    try {
        consumer.unsubscribe();
        fail("Should have failed");
    } catch (PulsarClientException.AlreadyClosedException e) {
        // ok
    }

    Thread.sleep(ASYNC_EVENT_COMPLETION_WAIT);
    subRef = topicRef.getSubscription(subName);
    assertNull(subRef);

    producer.close();

    Thread.sleep(ASYNC_EVENT_COMPLETION_WAIT);
}