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 21 package org.apache.hadoop.hbase.ipc; 22 23 import org.apache.hadoop.metrics.util.MBeanUtil; 24 import org.apache.hadoop.metrics.util.MetricsDynamicMBeanBase; 25 import org.apache.hadoop.metrics.util.MetricsRegistry; 26 27 import javax.management.ObjectName; 28 29 /** 30 * Exports HBase RPC statistics recorded in {@link HBaseRpcMetrics} as an MBean 31 * for JMX monitoring. 32 */ 33 public class HBaseRPCStatistics extends MetricsDynamicMBeanBase { 34 private final ObjectName mbeanName; 35 36 @SuppressWarnings({"UnusedDeclaration"}) 37 public HBaseRPCStatistics(MetricsRegistry registry, 38 String hostName, String port) { 39 super(registry, "HBaseRPCStatistics"); 40 41 String name = String.format("RPCStatistics-%s", 42 (port != null ? port : "unknown")); 43 44 mbeanName = MBeanUtil.registerMBean("HBase", name, this); 45 } 46 47 public void shutdown() { 48 if (mbeanName != null) 49 MBeanUtil.unregisterMBean(mbeanName); 50 } 51 52 }