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 }