1/**2 * Licensed to the Apache Software Foundation (ASF) under one3 * or more contributor license agreements. See the NOTICE file4 * distributed with this work for additional information5 * regarding copyright ownership. The ASF licenses this file6 * to you under the Apache License, Version 2.0 (the7 * "License"); you may not use this file except in compliance8 * with the License. You may obtain a copy of the License at9 *10 * http://www.apache.org/licenses/LICENSE-2.011 *12 * Unless required by applicable law or agreed to in writing, software13 * distributed under the License is distributed on an "AS IS" BASIS,14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.15 * See the License for the specific language governing permissions and16 * limitations under the License.17 */1819package org.apache.hadoop.chukwa.datacollection.agent.metrics;
2021import javax.management.ObjectName;
2223import org.apache.hadoop.metrics.util.MBeanUtil;
24import org.apache.hadoop.metrics.util.MetricsDynamicMBeanBase;
25import org.apache.hadoop.metrics.util.MetricsRegistry;
2627publicclassAgentActivityMBeanextends MetricsDynamicMBeanBase {
28finalprivate ObjectName mbeanName;
2930publicAgentActivityMBean(final MetricsRegistry mr, final String serviceName) {
31super(mr, "Agent layer statistics");
32 mbeanName = MBeanUtil.registerMBean(serviceName,
33"AgentActivity", this);
34 }
353637publicvoid shutdown() {
38if (mbeanName != null)
39 MBeanUtil.unregisterMBean(mbeanName);
40 }
414243 }