001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.tool.sampler;
018
019import org.slf4j.Logger;
020import org.slf4j.LoggerFactory;
021
022public class RampDownNotifier implements Runnable {
023    private final static Logger LOG = LoggerFactory.getLogger(RampDownNotifier.class);
024    private final PerformanceSampler sampler;
025
026    public RampDownNotifier(PerformanceSampler sampler) {
027        this.sampler = sampler;
028    }
029
030    @Override
031    public void run() {
032        try {
033            Thread.sleep(sampler.getDuration() - sampler.getRampDownTime());
034        } catch (InterruptedException e) {
035            e.printStackTrace();
036        } finally {
037            LOG.debug("Ramping down sampler");
038            sampler.finishSampling();
039        }
040    }
041}