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Java > Open Source Codes > org > apache > activemq > tool > sampler > ThroughputSamplerTask


1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.activemq.tool.sampler;
18
19 import org.apache.activemq.tool.reports.AbstractPerfReportWriter;
20
21 import java.util.ArrayList JavaDoc;
22 import java.util.Iterator JavaDoc;
23 import java.util.List JavaDoc;
24
25 public class ThroughputSamplerTask extends AbstractPerformanceSampler {
26
27     private final Object JavaDoc mutex = new Object JavaDoc();
28     private List JavaDoc clients = new ArrayList JavaDoc();
29
30     public void registerClient(MeasurableClient client) {
31         synchronized (mutex) {
32             clients.add(client);
33         }
34     }
35
36     public void sampleData() {
37         for (Iterator JavaDoc i = clients.iterator(); i.hasNext();) {
38             MeasurableClient client = (MeasurableClient) i.next();
39             if (perfReportWriter != null) {
40                 perfReportWriter.writeCsvData(AbstractPerfReportWriter.REPORT_PLUGIN_THROUGHPUT,
41                         "index=" + sampleIndex + ",clientName=" + client.getClientName() +
42                         ",throughput=" + client.getThroughput());
43             }
44             client.reset();
45         }
46     }
47
48     protected void onSamplerStart() {
49         // Reset the throughput of the clients
50 for (Iterator JavaDoc i = clients.iterator(); i.hasNext();) {
51             MeasurableClient client = (MeasurableClient) i.next();
52             client.reset();
53         }
54     }
55 }
56
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