/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.hadoop.hbase.thrift; /** * Class used to create metrics sources for Thrift and Thrift2 servers. */ public class MetricsThriftServerSourceFactoryImpl implements MetricsThriftServerSourceFactory { /** * A singleton used to make sure that only one thrift metrics source per server type is ever * created. */ private static enum FactoryStorage { INSTANCE; MetricsThriftServerSourceImpl thriftOne = new MetricsThriftServerSourceImpl(METRICS_NAME, METRICS_DESCRIPTION, THRIFT_ONE_METRICS_CONTEXT, THRIFT_ONE_JMX_CONTEXT); MetricsThriftServerSourceImpl thriftTwo = new MetricsThriftServerSourceImpl(METRICS_NAME, METRICS_DESCRIPTION, THRIFT_TWO_METRICS_CONTEXT, THRIFT_TWO_JMX_CONTEXT); } @Override public MetricsThriftServerSource createThriftOneSource() { return FactoryStorage.INSTANCE.thriftOne; } @Override public MetricsThriftServerSource createThriftTwoSource() { return FactoryStorage.INSTANCE.thriftTwo; } }