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1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
4    *
5    * This program and the accompanying materials are dual-licensed under
6    * either the terms of the Eclipse Public License v1.0 as published by
7    * the Eclipse Foundation
8    *
9    *   or (per the licensee's choosing)
10   *
11   * under the terms of the GNU Lesser General Public License version 2.1
12   * as published by the Free Software Foundation.
13   */
14  package ch.qos.logback.core.issue;
15  
16  import ch.qos.logback.core.contention.RunnableWithCounterAndDone;
17  import ch.qos.logback.core.contention.ThreadedThroughputCalculator;
18  import ch.qos.logback.core.issue.SelectiveLockRunnable.LockingModel;
19  
20  /**
21   * Short sample code testing the throughput of a fair lock.
22   * 
23   * @author Joern Huxhorn
24   * @author Ceki Gulcu
25   */
26  public class NoLockThroughput {
27  
28      static int THREAD_COUNT = 3;
29      static long OVERALL_DURATION_IN_MILLIS = 2000;
30  
31      public static void main(String args[]) throws InterruptedException {
32  
33          ThreadedThroughputCalculator tp = new ThreadedThroughputCalculator(OVERALL_DURATION_IN_MILLIS);
34          tp.printEnvironmentInfo("NoLockThroughput");
35  
36          for (int i = 0; i < 2; i++) {
37              tp.execute(buildArray(LockingModel.NOLOCK));
38          }
39  
40          RunnableWithCounterAndDone[] runnableArray = buildArray(LockingModel.NOLOCK);
41          tp.execute(runnableArray);
42          tp.printThroughput(runnableArray,"No lock:   ", true);
43      }
44  
45      static SelectiveLockRunnable[] buildArray(LockingModel model) {
46          SelectiveLockRunnable[] array = new SelectiveLockRunnable[THREAD_COUNT];
47          for (int i = 0; i < THREAD_COUNT; i++) {
48              array[i] = new SelectiveLockRunnable(model);
49          }
50          return array;
51      }
52  
53  }