01 /*
02 *
03 * Licensed to the Apache Software Foundation (ASF) under one
04 * or more contributor license agreements. See the NOTICE file
05 * distributed with this work for additional information
06 * regarding copyright ownership. The ASF licenses this file
07 * to you under the Apache License, Version 2.0 (the
08 * "License"); you may not use this file except in compliance
09 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 */
21 package org.apache.qpid.server.util;
22
23 import org.apache.qpid.server.util.TimedRun;
24
25 import java.util.concurrent.Callable;
26 import java.util.Collection;
27
28 public class AveragedRun implements Callable<RunStats>
29 {
30 private final RunStats stats = new RunStats();
31 private final TimedRun test;
32 private final int iterations;
33
34 public AveragedRun(TimedRun test, int iterations)
35 {
36 this.test = test;
37 this.iterations = iterations;
38 }
39
40 public RunStats call() throws Exception
41 {
42 for (int i = 0; i < iterations; i++)
43 {
44 stats.record(test.call());
45 }
46 return stats;
47 }
48
49 public void run() throws Exception
50 {
51 System.out.println(test + ": " + call());
52 }
53
54 public String toString()
55 {
56 return test.toString();
57 }
58
59 static void run(Collection<AveragedRun> tests) throws Exception
60 {
61 for(AveragedRun test : tests)
62 {
63 test.run();
64 }
65 }
66 }
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