1 /**
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19
20 package org.apache.hadoop.hbase.ipc;
21
22 public abstract class MetricsHBaseServerSourceFactory {
23 /**
24 * The name of the metrics
25 */
26 static final String METRICS_NAME = "IPC";
27
28 /**
29 * Description
30 */
31 static final String METRICS_DESCRIPTION = "Metrics about HBase Server IPC";
32
33 /**
34 * The Suffix of the JMX Context that a MetricsHBaseServerSource will register under.
35 *
36 * JMX_CONTEXT will be created by createContextName(serverClassName) + METRICS_JMX_CONTEXT_SUFFIX
37 */
38 static final String METRICS_JMX_CONTEXT_SUFFIX = ",sub=" + METRICS_NAME;
39
40 abstract MetricsHBaseServerSource create(String serverName, MetricsHBaseServerWrapper wrapper);
41
42 /**
43 * From the name of the class that's starting up create the
44 * context that an IPC source should register itself.
45 *
46 * @param serverName The name of the class that's starting up.
47 * @return The Camel Cased context name.
48 */
49 protected static String createContextName(String serverName) {
50 if (serverName.startsWith("HMaster") || serverName.startsWith("master")) {
51 return "Master";
52 } else if (serverName.startsWith("HRegion") || serverName.startsWith("regionserver")) {
53 return "RegionServer";
54 }
55 return "IPC";
56 }
57 }