| package org.apache.helix.monitoring.mbeans; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import java.lang.management.ManagementFactory; |
| import java.util.HashSet; |
| import java.util.Set; |
| import javax.management.JMException; |
| import javax.management.MBeanServer; |
| import javax.management.MalformedObjectNameException; |
| import javax.management.ObjectName; |
| |
| import org.apache.helix.HelixConstants; |
| import org.apache.helix.InstanceType; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestHelixCallbackMonitor { |
| |
| private MBeanServer _beanServer = ManagementFactory.getPlatformMBeanServer(); |
| |
| private final InstanceType TEST_TYPE = InstanceType.PARTICIPANT; |
| private final String TEST_CLUSTER = "test_cluster"; |
| |
| private ObjectName buildObjectName(InstanceType type, String cluster, |
| HelixConstants.ChangeType changeType) throws MalformedObjectNameException { |
| return MBeanRegistrar.buildObjectName(MonitorDomainNames.HelixCallback.name(), |
| HelixCallbackMonitor.MONITOR_TYPE, type.name(), HelixCallbackMonitor.MONITOR_KEY, cluster, |
| HelixCallbackMonitor.MONITOR_CHANGE_TYPE, changeType.name()); |
| } |
| |
| private ObjectName buildObjectName(InstanceType type, String cluster, |
| HelixConstants.ChangeType changeType, int num) throws MalformedObjectNameException { |
| ObjectName objectName = buildObjectName(type, cluster, changeType); |
| if (num > 0) { |
| return new ObjectName(String |
| .format("%s,%s=%s", objectName.toString(), MBeanRegistrar.DUPLICATE, |
| String.valueOf(num))); |
| } else { |
| return objectName; |
| } |
| } |
| |
| @Test |
| public void testMBeanRegisteration() throws JMException { |
| Set<HelixCallbackMonitor> monitors = new HashSet<>(); |
| for (HelixConstants.ChangeType changeType : HelixConstants.ChangeType.values()) { |
| monitors.add(new HelixCallbackMonitor(TEST_TYPE, TEST_CLUSTER, null, changeType).register()); |
| Assert.assertTrue( |
| _beanServer.isRegistered(buildObjectName(TEST_TYPE, TEST_CLUSTER, changeType))); |
| } |
| |
| for (HelixConstants.ChangeType changeType : HelixConstants.ChangeType.values()) { |
| monitors.add(new HelixCallbackMonitor(TEST_TYPE, TEST_CLUSTER, null, changeType).register()); |
| Assert.assertTrue( |
| _beanServer.isRegistered(buildObjectName(TEST_TYPE, TEST_CLUSTER, changeType, 1))); |
| } |
| |
| for (HelixConstants.ChangeType changeType : HelixConstants.ChangeType.values()) { |
| monitors.add(new HelixCallbackMonitor(TEST_TYPE, TEST_CLUSTER, null, changeType).register()); |
| Assert.assertTrue( |
| _beanServer.isRegistered(buildObjectName(TEST_TYPE, TEST_CLUSTER, changeType, 2))); |
| } |
| |
| // Un-register all monitors |
| for (HelixCallbackMonitor monitor : monitors) { |
| monitor.unregister(); |
| } |
| |
| for (HelixConstants.ChangeType changeType : HelixConstants.ChangeType.values()) { |
| Assert.assertFalse( |
| _beanServer.isRegistered(buildObjectName(TEST_TYPE, TEST_CLUSTER, changeType))); |
| Assert.assertFalse( |
| _beanServer.isRegistered(buildObjectName(TEST_TYPE, TEST_CLUSTER, changeType, 1))); |
| Assert.assertFalse( |
| _beanServer.isRegistered(buildObjectName(TEST_TYPE, TEST_CLUSTER, changeType, 2))); |
| } |
| } |
| |
| @Test |
| public void testCounter() throws JMException { |
| HelixCallbackMonitor monitor = new HelixCallbackMonitor(TEST_TYPE, TEST_CLUSTER, null, |
| HelixConstants.ChangeType.CURRENT_STATE); |
| monitor.register(); |
| ObjectName name = |
| buildObjectName(TEST_TYPE, TEST_CLUSTER, HelixConstants.ChangeType.CURRENT_STATE); |
| |
| monitor.increaseCallbackCounters(1000L); |
| Assert.assertEquals((long) _beanServer.getAttribute(name, "Counter"), 1); |
| Assert.assertEquals((long) _beanServer.getAttribute(name, "LatencyCounter"), 1000L); |
| Assert.assertEquals((long) _beanServer.getAttribute(name, "LatencyGauge.Max"), 1000L); |
| monitor.unregister(); |
| } |
| } |