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 java.util.Iterator;
020import java.util.List;
021import java.util.concurrent.CopyOnWriteArrayList;
022
023import org.apache.activemq.tool.reports.AbstractPerfReportWriter;
024
025public class ThroughputSamplerTask extends AbstractPerformanceSampler {
026
027    private final List<MeasurableClient> clients = new CopyOnWriteArrayList<>();
028
029    public void registerClient(MeasurableClient client) {
030        clients.add(client);
031    }
032
033    @Override
034    public void sampleData() {
035        for (Iterator<MeasurableClient> i = clients.iterator(); i.hasNext();) {
036            MeasurableClient client = i.next();
037            if (perfReportWriter != null) {
038                perfReportWriter.writeCsvData(AbstractPerfReportWriter.REPORT_PLUGIN_THROUGHPUT, "index=" + sampleIndex + ",clientName=" + client.getClientName() + ",throughput="
039                                                                                                 + client.getThroughput());
040            }
041            client.reset();
042        }
043    }
044
045    @Override
046    protected void onSamplerStart() {
047        // Reset the throughput of the clients
048        for (Iterator<MeasurableClient> i = clients.iterator(); i.hasNext();) {
049            MeasurableClient client = i.next();
050            client.reset();
051        }
052    }
053}