1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package org.apache.hadoop.hbase.thrift;
20
21 /**
22 * Class used to create metrics sources for Thrift and Thrift2 servers.
23 */
24 public class MetricsThriftServerSourceFactoryImpl implements MetricsThriftServerSourceFactory {
25
26 /**
27 * A singleton used to make sure that only one thrift metrics source per server type is ever
28 * created.
29 */
30 private static enum FactoryStorage {
31 INSTANCE;
32 MetricsThriftServerSourceImpl thriftOne = new MetricsThriftServerSourceImpl(METRICS_NAME,
33 METRICS_DESCRIPTION,
34 THRIFT_ONE_METRICS_CONTEXT,
35 THRIFT_ONE_JMX_CONTEXT);
36 MetricsThriftServerSourceImpl thriftTwo = new MetricsThriftServerSourceImpl(METRICS_NAME,
37 METRICS_DESCRIPTION,
38 THRIFT_TWO_METRICS_CONTEXT,
39 THRIFT_TWO_JMX_CONTEXT);
40 }
41
42 @Override
43 public MetricsThriftServerSource createThriftOneSource() {
44 return FactoryStorage.INSTANCE.thriftOne;
45 }
46
47 @Override
48 public MetricsThriftServerSource createThriftTwoSource() {
49 return FactoryStorage.INSTANCE.thriftTwo;
50 }
51 }