/** * 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 com.leansoft.luxun.mx; import java.util.concurrent.atomic.AtomicLong; import com.leansoft.luxun.utils.Pool; import com.leansoft.luxun.utils.Utils; /** * * @author bulldog * */ public class ConsumerTopicStat implements ConsumerTopicStatMBean, IMBeanName { private static final Pool<String, ConsumerTopicStat> instances = new Pool<String, ConsumerTopicStat>(); private final AtomicLong numCumulatedMessagesPerTopic = new AtomicLong(0); public long getMessagesPerTopic() { return numCumulatedMessagesPerTopic.get(); } public void recordMessagesPerTopic(int nMessages) { numCumulatedMessagesPerTopic.addAndGet(nMessages); } public String getMbeanName() { return mBeanName; } private String mBeanName; public static ConsumerTopicStat getConsumerTopicStat(String topic) { ConsumerTopicStat stat = instances.get(topic); if (stat == null) { stat = new ConsumerTopicStat(); stat.mBeanName = "luxun:type=luxun.ConsumerTopicStat." + topic; if (instances.putIfNotExists(topic, stat) == null) { Utils.registerMBean(stat); } else { stat = instances.get(topic); } } return stat; } }