View Javadoc
1   /*
2    * Copyright (c) 2002-2022, City of Paris
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met:
8    *
9    *  1. Redistributions of source code must retain the above copyright notice
10   *     and the following disclaimer.
11   *
12   *  2. Redistributions in binary form must reproduce the above copyright notice
13   *     and the following disclaimer in the documentation and/or other materials
14   *     provided with the distribution.
15   *
16   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17   *     contributors may be used to endorse or promote products derived from
18   *     this software without specific prior written permission.
19   *
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   * POSSIBILITY OF SUCH DAMAGE.
31   *
32   * License 1.0
33   */
34  package fr.paris.lutece.portal.service.daemon;
35  
36  import java.util.concurrent.BrokenBarrierException;
37  import java.util.concurrent.CyclicBarrier;
38  import java.util.concurrent.TimeUnit;
39  import java.util.concurrent.TimeoutException;
40  import java.util.concurrent.atomic.AtomicInteger;
41  
42  public final class TestDaemon extends Daemon
43  {
44      CyclicBarrier startBarrier = new CyclicBarrier( 2 );
45      CyclicBarrier completionBarrier = new CyclicBarrier( 2 );
46      boolean hasRun;
47      boolean shouldThrowInRun;
48      boolean shouldThrowInStop;
49      private AtomicInteger stopCallNumber = new AtomicInteger( 0 );
50  
51      public void setRunThrows( boolean shouldThrowInRun )
52      {
53          this.shouldThrowInRun = shouldThrowInRun;
54      }
55  
56      public void setStopThrows( boolean shouldThrowInStop )
57      {
58          this.shouldThrowInStop = shouldThrowInStop;
59      }
60  
61      @Override
62      public void run( )
63      {
64          try
65          {
66              hasRun = false;
67              startBarrier.await( 10, TimeUnit.SECONDS );
68              hasRun = true;
69              completionBarrier.await( 10, TimeUnit.SECONDS );
70          }
71          catch( InterruptedException | BrokenBarrierException | TimeoutException e )
72          {
73              e.printStackTrace( );
74          }
75          if ( shouldThrowInRun )
76          {
77              throw new RuntimeException( "I'm a bad running daemon" );
78          }
79      }
80  
81      public boolean hasRun( )
82      {
83          return hasRun;
84      }
85  
86      public void resetGo( )
87      {
88          startBarrier.reset( );
89      }
90  
91      public void resetCompletion( )
92      {
93          completionBarrier.reset( );
94      }
95  
96      public void go( ) throws InterruptedException, BrokenBarrierException, TimeoutException
97      {
98          this.go( 10, TimeUnit.SECONDS );
99      }
100 
101     public void go( long timeout, TimeUnit unit ) throws InterruptedException, BrokenBarrierException, TimeoutException
102     {
103         startBarrier.await( timeout, unit );
104     }
105 
106     public void waitForCompletion( ) throws InterruptedException, BrokenBarrierException, TimeoutException
107     {
108         this.waitForCompletion( 10, TimeUnit.SECONDS );
109     }
110 
111     public void waitForCompletion( long timeout, TimeUnit unit ) throws InterruptedException, BrokenBarrierException, TimeoutException
112     {
113         completionBarrier.await( timeout, unit );
114     }
115 
116     @Override
117     protected void stop( )
118     {
119         stopCallNumber.incrementAndGet( );
120         super.stop( );
121         if ( shouldThrowInStop )
122         {
123             throw new RuntimeException( "I'm a bad stopping daemon" );
124         }
125     }
126 
127     public int getStopCallNumber( )
128     {
129         return stopCallNumber.get( );
130     }
131 
132 }