Here are the examples of the java api class org.apache.activemq.artemis.api.core.management.MessageCounterInfo taken from open source projects.
1. QueueControlTest#testResetMessageCounter()
Project: activemq-artemis
File: QueueControlTest.java
File: QueueControlTest.java
@Test public void testResetMessageCounter() throws Exception { SimpleString address = RandomUtil.randomSimpleString(); SimpleString queue = RandomUtil.randomSimpleString(); session.createQueue(address, queue, null, false); QueueControl queueControl = createManagementControl(address, queue); ActiveMQServerControl serverControl = ManagementControlHelper.createActiveMQServerControl(mbeanServer); serverControl.enableMessageCounters(); serverControl.setMessageCounterSamplePeriod(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD); String jsonString = queueControl.listMessageCounter(); MessageCounterInfo info = MessageCounterInfo.fromJSON(jsonString); Assert.assertEquals(0, info.getDepth()); Assert.assertEquals(0, info.getCount()); ClientProducer producer = session.createProducer(address); producer.send(session.createMessage(false)); Thread.sleep(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD * 2); jsonString = queueControl.listMessageCounter(); info = MessageCounterInfo.fromJSON(jsonString); Assert.assertEquals(1, info.getDepth()); Assert.assertEquals(1, info.getDepthDelta()); Assert.assertEquals(1, info.getCount()); Assert.assertEquals(1, info.getCountDelta()); consumeMessages(1, session, queue); Thread.sleep(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD * 2); jsonString = queueControl.listMessageCounter(); info = MessageCounterInfo.fromJSON(jsonString); Assert.assertEquals(0, info.getDepth()); Assert.assertEquals(-1, info.getDepthDelta()); Assert.assertEquals(1, info.getCount()); Assert.assertEquals(0, info.getCountDelta()); queueControl.resetMessageCounter(); Thread.sleep(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD * 2); jsonString = queueControl.listMessageCounter(); info = MessageCounterInfo.fromJSON(jsonString); Assert.assertEquals(0, info.getDepth()); Assert.assertEquals(0, info.getDepthDelta()); Assert.assertEquals(0, info.getCount()); Assert.assertEquals(0, info.getCountDelta()); session.deleteQueue(queue); }
2. QueueControlTest#testListMessageCounter()
Project: activemq-artemis
File: QueueControlTest.java
File: QueueControlTest.java
@Test public void testListMessageCounter() throws Exception { SimpleString address = RandomUtil.randomSimpleString(); SimpleString queue = RandomUtil.randomSimpleString(); session.createQueue(address, queue, null, false); QueueControl queueControl = createManagementControl(address, queue); ActiveMQServerControl serverControl = ManagementControlHelper.createActiveMQServerControl(mbeanServer); serverControl.enableMessageCounters(); serverControl.setMessageCounterSamplePeriod(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD); String jsonString = queueControl.listMessageCounter(); MessageCounterInfo info = MessageCounterInfo.fromJSON(jsonString); Assert.assertEquals(0, info.getDepth()); Assert.assertEquals(0, info.getCount()); ClientProducer producer = session.createProducer(address); producer.send(session.createMessage(false)); Thread.sleep(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD * 2); jsonString = queueControl.listMessageCounter(); info = MessageCounterInfo.fromJSON(jsonString); Assert.assertEquals(1, info.getDepth()); Assert.assertEquals(1, info.getDepthDelta()); Assert.assertEquals(1, info.getCount()); Assert.assertEquals(1, info.getCountDelta()); producer.send(session.createMessage(false)); Thread.sleep(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD * 2); jsonString = queueControl.listMessageCounter(); info = MessageCounterInfo.fromJSON(jsonString); Assert.assertEquals(2, info.getDepth()); Assert.assertEquals(1, info.getDepthDelta()); Assert.assertEquals(2, info.getCount()); Assert.assertEquals(1, info.getCountDelta()); consumeMessages(2, session, queue); Thread.sleep(MessageCounterManagerImpl.MIN_SAMPLE_PERIOD * 2); jsonString = queueControl.listMessageCounter(); info = MessageCounterInfo.fromJSON(jsonString); Assert.assertEquals(0, info.getDepth()); Assert.assertEquals(-2, info.getDepthDelta()); Assert.assertEquals(2, info.getCount()); Assert.assertEquals(0, info.getCountDelta()); session.deleteQueue(queue); }