1 /** 2 * Copyright 2010 The Apache Software Foundation 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 package org.apache.hadoop.hbase.regionserver.metrics; 21 22 import org.apache.hadoop.hbase.metrics.MetricsMBeanBase; 23 import org.apache.hadoop.metrics.util.MBeanUtil; 24 import org.apache.hadoop.metrics.util.MetricsRegistry; 25 26 import javax.management.ObjectName; 27 28 /** 29 * Exports metrics recorded by {@link RegionServerMetrics} as an MBean 30 * for JMX monitoring. 31 */ 32 public class RegionServerStatistics extends MetricsMBeanBase { 33 34 private final ObjectName mbeanName; 35 36 public RegionServerStatistics(MetricsRegistry registry, String rsName) { 37 super(registry, "RegionServerStatistics"); 38 mbeanName = MBeanUtil.registerMBean("RegionServer", 39 "RegionServerStatistics", this); 40 } 41 42 public void shutdown() { 43 if (mbeanName != null) 44 MBeanUtil.unregisterMBean(mbeanName); 45 } 46 47 }