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 }