Examples with QueueEntryFilter org.apache.qpid.server.queue.AbstractQueue.QueueEntryFilter used on opensource projects

Example 1 with QueueEntryFilter

use of org.apache.qpid.server.queue.AbstractQueue.QueueEntryFilter in project qpid-broker-j by apache.

the class AbstractQueueTestBase method testGetMessagesOnTheQueueByQueueEntryFilterWithDequeuedEntry.

/**
 * Tests that dequeued message is not present in the list returned form
 * {@link AbstractQueue#getMessagesOnTheQueue(QueueEntryFilter)}
 */
@Test
public void testGetMessagesOnTheQueueByQueueEntryFilterWithDequeuedEntry() {
    int messageNumber = 4;
    int dequeueMessageIndex = 1;
    // send test messages into a test queue
    enqueueGivenNumberOfMessages(_queue, messageNumber);
    // dequeue message
    dequeueMessage(_queue, dequeueMessageIndex);
    // get messages on the queue with filter accepting all available messages
    List<? extends QueueEntry> entries = ((AbstractQueue) _queue).getMessagesOnTheQueue(new QueueEntryFilter() {

        @Override
        public boolean accept(QueueEntry entry) {
            return true;
        }

        @Override
        public boolean filterComplete() {
            return false;
        }
    });
    // assert entries on the queue
    assertEquals((long) (messageNumber - 1), (long) entries.size());
    int expectedId = 0;
    for (int i = 0; i < messageNumber - 1; i++) {
        Long id = (entries.get(i).getMessage()).getMessageNumber();
        if (i == dequeueMessageIndex) {
            assertFalse("Message with id " + dequeueMessageIndex + " was dequeued and should not be returned by method getMessagesOnTheQueue!", Long.valueOf(expectedId).equals(id));
            expectedId++;
        }
        assertEquals("Expected message with id " + expectedId + " but got message with id " + id, Long.valueOf(expectedId), id);
        expectedId++;
    }
}