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| <h5>Coverage Report - com.google.enterprise.adaptor.OneAtATimeRunnable</h5> |
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| <table class="report"> |
| <thead><tr> <td class="heading">Classes in this File</td> <td class="heading"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">Line Coverage</a></td> <td class="heading"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">Branch Coverage</a></td> <td class="heading"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">Complexity</a></td></tr></thead> |
| <tr><td><a href="com.google.enterprise.adaptor.OneAtATimeRunnable.html">OneAtATimeRunnable</a></td><td><table cellpadding="0px" cellspacing="0px" class="percentgraph"><tr class="percentgraph"><td align="right" class="percentgraph" width="40">1</td><td class="percentgraph"><div class="percentgraph"><div class="greenbar" style="width:96px"><span class="text">28/29</span></div></div></td></tr></table></td><td><table cellpadding="0px" cellspacing="0px" class="percentgraph"><tr class="percentgraph"><td align="right" class="percentgraph" width="40">2</td><td class="percentgraph"><div class="percentgraph"><div class="greenbar" style="width:80px"><span class="text">8/10</span></div></div></td></tr></table></td><td class="value"><span class="hidden">2.142857142857143;</span>2.143</td></tr> |
| <tr><td><a href="com.google.enterprise.adaptor.OneAtATimeRunnable.html">OneAtATimeRunnable$1</a></td><td><table cellpadding="0px" cellspacing="0px" class="percentgraph"><tr class="percentgraph"><td align="right" class="percentgraph" width="40"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">N/A</a></td><td class="percentgraph"><div class="percentgraph"><div class="na" style="width:100px"><span class="text"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">N/A</a></span></div></div></td></tr></table></td><td><table cellpadding="0px" cellspacing="0px" class="percentgraph"><tr class="percentgraph"><td align="right" class="percentgraph" width="40"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">N/A</a></td><td class="percentgraph"><div class="percentgraph"><div class="na" style="width:100px"><span class="text"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">N/A</a></span></div></div></td></tr></table></td><td class="value"><span class="hidden">2.142857142857143;</span>2.143</td></tr> |
| <tr><td><a href="com.google.enterprise.adaptor.OneAtATimeRunnable.html">OneAtATimeRunnable$SetBackToNullRunnable</a></td><td><table cellpadding="0px" cellspacing="0px" class="percentgraph"><tr class="percentgraph"><td align="right" class="percentgraph" width="40">0</td><td class="percentgraph"><div class="percentgraph"><div class="greenbar" style="width:100px"><span class="text">5/5</span></div></div></td></tr></table></td><td><table cellpadding="0px" cellspacing="0px" class="percentgraph"><tr class="percentgraph"><td align="right" class="percentgraph" width="40"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">N/A</a></td><td class="percentgraph"><div class="percentgraph"><div class="na" style="width:100px"><span class="text"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">N/A</a></span></div></div></td></tr></table></td><td class="value"><span class="hidden">2.142857142857143;</span>2.143</td></tr> |
| |
| </table> |
| <div class="separator"> </div> |
| <table cellspacing="0" cellpadding="0" class="src"> |
| <tr> <td class="numLine"> 1</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// Copyright 2011 Google Inc. All Rights Reserved.</span></pre></td></tr> |
| <tr> <td class="numLine"> 2</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">//</span></pre></td></tr> |
| <tr> <td class="numLine"> 3</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></pre></td></tr> |
| <tr> <td class="numLine"> 4</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// you may not use this file except in compliance with the License.</span></pre></td></tr> |
| <tr> <td class="numLine"> 5</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// You may obtain a copy of the License at</span></pre></td></tr> |
| <tr> <td class="numLine"> 6</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">//</span></pre></td></tr> |
| <tr> <td class="numLine"> 7</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></pre></td></tr> |
| <tr> <td class="numLine"> 8</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">//</span></pre></td></tr> |
| <tr> <td class="numLine"> 9</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></pre></td></tr> |
| <tr> <td class="numLine"> 10</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></pre></td></tr> |
| <tr> <td class="numLine"> 11</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></pre></td></tr> |
| <tr> <td class="numLine"> 12</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// See the License for the specific language governing permissions and</span></pre></td></tr> |
| <tr> <td class="numLine"> 13</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// limitations under the License.</span></pre></td></tr> |
| <tr> <td class="numLine"> 14</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 15</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">package</span> com.google.enterprise.adaptor;</pre></td></tr> |
| <tr> <td class="numLine"> 16</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 17</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">import</span> java.util.concurrent.atomic.AtomicReference;</pre></td></tr> |
| <tr> <td class="numLine"> 18</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 19</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">/**</span></pre></td></tr> |
| <tr> <td class="numLine"> 20</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * Ensures that at most one thread is executing a particular runnable. The first</span></pre></td></tr> |
| <tr> <td class="numLine"> 21</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * thread that issues {@code run()} will cause the execution of {@code</span></pre></td></tr> |
| <tr> <td class="numLine"> 22</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * runnable}, but further simultaneous calls to {@code run()} will execute</span></pre></td></tr> |
| <tr> <td class="numLine"> 23</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * {@code alreadyRunningRunnable} and return immediately.</span></pre></td></tr> |
| <tr> <td class="numLine"> 24</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> *</span></pre></td></tr> |
| <tr> <td class="numLine"> 25</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * <p>This class is thread-safe.</span></pre></td></tr> |
| <tr> <td class="numLine"> 26</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> */</span></pre></td></tr> |
| <tr> <td class="numLineCover"> 27</td> <td class="nbHitsCovered"> 8</td> <td class="src"><pre class="src"> <span class="keyword">class</span> OneAtATimeRunnable <span class="keyword">implements</span> Runnable {</pre></td></tr> |
| <tr> <td class="numLine"> 28</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">/**</span></pre></td></tr> |
| <tr> <td class="numLine"> 29</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * We use an atomic reference to a thread to manage the life-cycle of this</span></pre></td></tr> |
| <tr> <td class="numLine"> 30</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * object. Whenever the value is "null" it means we are not currently running</span></pre></td></tr> |
| <tr> <td class="numLine"> 31</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * and a new thread can be started. Whenever we are currently executing we</span></pre></td></tr> |
| <tr> <td class="numLine"> 32</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * store reference to the thread that is executing our {@link #runnable}.</span></pre></td></tr> |
| <tr> <td class="numLine"> 33</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * When {@link #stop} has been called we store a reference to an empty thread</span></pre></td></tr> |
| <tr> <td class="numLine"> 34</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * to prevent future invocation.</span></pre></td></tr> |
| <tr> <td class="numLine"> 35</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> *</span></pre></td></tr> |
| <tr> <td class="numLine"> 36</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * Life-cycle:</span></pre></td></tr> |
| <tr> <td class="numLine"> 37</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * - {@link #run} is called by an external thread; we check if</span></pre></td></tr> |
| <tr> <td class="numLine"> 38</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * {@link #runningThread} is "null": if true, it means that {@link #runnable}</span></pre></td></tr> |
| <tr> <td class="numLine"> 39</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * is not running, we start a new thread of execution and store reference to</span></pre></td></tr> |
| <tr> <td class="numLine"> 40</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * the new thread of execution, otherwise we run code in</span></pre></td></tr> |
| <tr> <td class="numLine"> 41</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * {@link #alreadyRunningRunnable} to signify that one instance is already</span></pre></td></tr> |
| <tr> <td class="numLine"> 42</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * running.</span></pre></td></tr> |
| <tr> <td class="numLine"> 43</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> *</span></pre></td></tr> |
| <tr> <td class="numLine"> 44</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * - when {@link #stop} is called we replace {@link #runningThread} with a</span></pre></td></tr> |
| <tr> <td class="numLine"> 45</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * reference to a new empty thread that does not do anything and interrupt</span></pre></td></tr> |
| <tr> <td class="numLine"> 46</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * the currently executing thread. This guarantees that {@link #run} method</span></pre></td></tr> |
| <tr> <td class="numLine"> 47</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * won't run in future because {@link #runningThread} won't ever be "null".</span></pre></td></tr> |
| <tr> <td class="numLine"> 48</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> */</span></pre></td></tr> |
| <tr> <td class="numLineCover"> 49</td> <td class="nbHitsCovered"> 14</td> <td class="src"><pre class="src"> <span class="keyword">private</span> AtomicReference<Thread> runningThread = <span class="keyword">new</span> AtomicReference<Thread>();</pre></td></tr> |
| <tr> <td class="numLine"> 50</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">private</span> Runnable runnable;</pre></td></tr> |
| <tr> <td class="numLine"> 51</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">private</span> Runnable alreadyRunningRunnable;</pre></td></tr> |
| <tr> <td class="numLine"> 52</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 53</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">/**</span></pre></td></tr> |
| <tr> <td class="numLine"> 54</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * @param runnable {@code Runnable} to call at most once at a time</span></pre></td></tr> |
| <tr> <td class="numLine"> 55</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * @param alreadyRunningRunnable {@code Runnable} to call if {@link #run} was</span></pre></td></tr> |
| <tr> <td class="numLine"> 56</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * called and {@code runnable} is already running</span></pre></td></tr> |
| <tr> <td class="numLine"> 57</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> */</span></pre></td></tr> |
| <tr> <td class="numLine"> 58</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> OneAtATimeRunnable(Runnable runnable,</pre></td></tr> |
| <tr> <td class="numLineCover"> 59</td> <td class="nbHitsCovered"> 14</td> <td class="src"><pre class="src"> Runnable alreadyRunningRunnable) {</pre></td></tr> |
| <tr> <td class="numLineCover"> 60</td> <td class="nbHitsUncovered"><a title="Line 60: Conditional coverage 50% (2/4) [each condition: 50%, 50%]."> 14</a></td> <td class="src"><pre class="src"><span class="srcUncovered"> <a title="Line 60: Conditional coverage 50% (2/4) [each condition: 50%, 50%]."> <span class="keyword">if</span> (runnable == <span class="keyword">null</span> || alreadyRunningRunnable == <span class="keyword">null</span>) {</a></span></pre></td></tr> |
| <tr> <td class="numLineCover"> 61</td> <td class="nbHitsUncovered"> 0</td> <td class="src"><pre class="src"><span class="srcUncovered"> <span class="keyword">throw</span> <span class="keyword">new</span> NullPointerException();</span></pre></td></tr> |
| <tr> <td class="numLine"> 62</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLineCover"> 63</td> <td class="nbHitsCovered"> 14</td> <td class="src"><pre class="src"> <span class="keyword">this</span>.runnable = runnable;</pre></td></tr> |
| <tr> <td class="numLineCover"> 64</td> <td class="nbHitsCovered"> 14</td> <td class="src"><pre class="src"> <span class="keyword">this</span>.alreadyRunningRunnable = alreadyRunningRunnable;</pre></td></tr> |
| <tr> <td class="numLineCover"> 65</td> <td class="nbHitsCovered"> 14</td> <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 66</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 67</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> @Override</pre></td></tr> |
| <tr> <td class="numLine"> 68</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> <span class="keyword">void</span> run() {</pre></td></tr> |
| <tr> <td class="numLineCover"> 69</td> <td class="nbHitsCovered"> 5</td> <td class="src"><pre class="src"> Thread thisThread = Thread.currentThread();</pre></td></tr> |
| <tr> <td class="numLineCover"> 70</td> <td class="nbHitsCovered"> 5</td> <td class="src"><pre class="src"> <span class="keyword">boolean</span> success = runningThread.compareAndSet(<span class="keyword">null</span>, thisThread);</pre></td></tr> |
| <tr> <td class="numLineCover"> 71</td> <td class="nbHitsCovered"><a title="Line 71: Conditional coverage 100% (2/2)."> 5</a></td> <td class="src"><pre class="src"> <a title="Line 71: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (!success) {</a></pre></td></tr> |
| <tr> <td class="numLineCover"> 72</td> <td class="nbHitsCovered"> 3</td> <td class="src"><pre class="src"> alreadyRunningRunnable.run();</pre></td></tr> |
| <tr> <td class="numLineCover"> 73</td> <td class="nbHitsCovered"> 3</td> <td class="src"><pre class="src"> <span class="keyword">return</span>;</pre></td></tr> |
| <tr> <td class="numLine"> 74</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 75</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">try</span> {</pre></td></tr> |
| <tr> <td class="numLineCover"> 76</td> <td class="nbHitsCovered"> 2</td> <td class="src"><pre class="src"> runnable.run();</pre></td></tr> |
| <tr> <td class="numLine"> 77</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> } <span class="keyword">finally</span> {</pre></td></tr> |
| <tr> <td class="numLineCover"> 78</td> <td class="nbHitsCovered"> 2</td> <td class="src"><pre class="src"> runningThread.compareAndSet(thisThread, <span class="keyword">null</span>);</pre></td></tr> |
| <tr> <td class="numLineCover"> 79</td> <td class="nbHitsCovered"> 2</td> <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLineCover"> 80</td> <td class="nbHitsCovered"> 2</td> <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 81</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 82</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">/**</span></pre></td></tr> |
| <tr> <td class="numLine"> 83</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * Gives the opportunity to run {@code runnable} in a new thread if it is not</span></pre></td></tr> |
| <tr> <td class="numLine"> 84</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * already running, but otherwise does nothing. This method will not call</span></pre></td></tr> |
| <tr> <td class="numLine"> 85</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * {@code alreadyRunningRunnable}.</span></pre></td></tr> |
| <tr> <td class="numLine"> 86</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> *</span></pre></td></tr> |
| <tr> <td class="numLine"> 87</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * @return new thread if it was successfully started, {@code null} otherwise</span></pre></td></tr> |
| <tr> <td class="numLine"> 88</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> */</span></pre></td></tr> |
| <tr> <td class="numLine"> 89</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> Thread runInNewThread() {</pre></td></tr> |
| <tr> <td class="numLineCover"> 90</td> <td class="nbHitsCovered"> 8</td> <td class="src"><pre class="src"> Thread newThread = <span class="keyword">new</span> Thread(<span class="keyword">new</span> SetBackToNullRunnable());</pre></td></tr> |
| <tr> <td class="numLineCover"> 91</td> <td class="nbHitsCovered"> 8</td> <td class="src"><pre class="src"> <span class="keyword">boolean</span> success = runningThread.compareAndSet(<span class="keyword">null</span>, newThread);</pre></td></tr> |
| <tr> <td class="numLineCover"> 92</td> <td class="nbHitsCovered"><a title="Line 92: Conditional coverage 100% (2/2)."> 8</a></td> <td class="src"><pre class="src"> <a title="Line 92: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (!success) {</a></pre></td></tr> |
| <tr> <td class="numLineCover"> 93</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> <span class="keyword">return</span> <span class="keyword">null</span>;</pre></td></tr> |
| <tr> <td class="numLine"> 94</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLineCover"> 95</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> newThread.start();</pre></td></tr> |
| <tr> <td class="numLineCover"> 96</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> <span class="keyword">return</span> newThread;</pre></td></tr> |
| <tr> <td class="numLine"> 97</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 98</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 99</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">/**</span></pre></td></tr> |
| <tr> <td class="numLine"> 100</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * Prevent later executions of {@code runnable} and interrupt the currently</span></pre></td></tr> |
| <tr> <td class="numLine"> 101</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * running thread, if any. It does not wait for the thread to actually</span></pre></td></tr> |
| <tr> <td class="numLine"> 102</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * complete.</span></pre></td></tr> |
| <tr> <td class="numLine"> 103</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> */</span></pre></td></tr> |
| <tr> <td class="numLine"> 104</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> <span class="keyword">void</span> stop() {</pre></td></tr> |
| <tr> <td class="numLine"> 105</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// Permanently set the runningThread to non-null by setting a new Thread</span></pre></td></tr> |
| <tr> <td class="numLine"> 106</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// object that won't ever run. Effectively, this prevents future execution.</span></pre></td></tr> |
| <tr> <td class="numLineCover"> 107</td> <td class="nbHitsCovered"> 16</td> <td class="src"><pre class="src"> Thread thread = runningThread.getAndSet(<span class="keyword">new</span> Thread());</pre></td></tr> |
| <tr> <td class="numLineCover"> 108</td> <td class="nbHitsCovered"><a title="Line 108: Conditional coverage 100% (2/2)."> 16</a></td> <td class="src"><pre class="src"> <a title="Line 108: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (thread != <span class="keyword">null</span>) {</a></pre></td></tr> |
| <tr> <td class="numLineCover"> 109</td> <td class="nbHitsCovered"> 7</td> <td class="src"><pre class="src"> thread.interrupt();</pre></td></tr> |
| <tr> <td class="numLine"> 110</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLineCover"> 111</td> <td class="nbHitsCovered"> 16</td> <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 112</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 113</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> Runnable getRunnable() {</pre></td></tr> |
| <tr> <td class="numLineCover"> 114</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> <span class="keyword">return</span> runnable;</pre></td></tr> |
| <tr> <td class="numLine"> 115</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 116</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 117</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> Runnable getAlreadyRunningRunnable() {</pre></td></tr> |
| <tr> <td class="numLineCover"> 118</td> <td class="nbHitsCovered"> 1</td> <td class="src"><pre class="src"> <span class="keyword">return</span> alreadyRunningRunnable;</pre></td></tr> |
| <tr> <td class="numLine"> 119</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 120</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 121</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">/**</span></pre></td></tr> |
| <tr> <td class="numLine"> 122</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * @see #runInNewThread</span></pre></td></tr> |
| <tr> <td class="numLine"> 123</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> */</span></pre></td></tr> |
| <tr> <td class="numLineCover"> 124</td> <td class="nbHitsCovered"> 16</td> <td class="src"><pre class="src"> <span class="keyword">private</span> <span class="keyword">class</span> SetBackToNullRunnable <span class="keyword">implements</span> Runnable {</pre></td></tr> |
| <tr> <td class="numLine"> 125</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> @Override</pre></td></tr> |
| <tr> <td class="numLine"> 126</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> <span class="keyword">void</span> run() {</pre></td></tr> |
| <tr> <td class="numLine"> 127</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">try</span> {</pre></td></tr> |
| <tr> <td class="numLineCover"> 128</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> runnable.run();</pre></td></tr> |
| <tr> <td class="numLine"> 129</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> } <span class="keyword">finally</span> {</pre></td></tr> |
| <tr> <td class="numLineCover"> 130</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> runningThread.compareAndSet(Thread.currentThread(), <span class="keyword">null</span>);</pre></td></tr> |
| <tr> <td class="numLineCover"> 131</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLineCover"> 132</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 133</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 134</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| </table> |
| |
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