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| <h5>Coverage Report - com.google.enterprise.adaptor.ExceptionHandlers</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.ExceptionHandlers.html">ExceptionHandlers</a></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:75px"><span class="text">6/8</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">1</td><td class="percentgraph"><div class="percentgraph"><div class="greenbar" style="width:50px"><span class="text">1/2</span></div></div></td></tr></table></td><td class="value"><span class="hidden">1.5714285714285714;</span>1.571</td></tr> |
| <tr><td><a href="com.google.enterprise.adaptor.ExceptionHandlers.html">ExceptionHandlers$ExponentialBackoffExceptionHandler</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:90px"><span class="text">9/10</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">0</td><td class="percentgraph"><div class="percentgraph"><div class="greenbar" style="width:100px"><span class="text">2/2</span></div></div></td></tr></table></td><td class="value"><span class="hidden">1.5714285714285714;</span>1.571</td></tr> |
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| </table> |
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| <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.TimeUnit;</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"> * Utility class for {@link ExceptionHandler}s.</span></pre></td></tr> |
| <tr> <td class="numLine"> 21</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> */</span></pre></td></tr> |
| <tr> <td class="numLine"> 22</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> <span class="keyword">class</span> ExceptionHandlers {</pre></td></tr> |
| <tr> <td class="numLineCover"> 23</td> <td class="nbHitsCovered"> 1</td> <td class="src"><pre class="src"> <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">final</span> ExceptionHandler defaultHandler</pre></td></tr> |
| <tr> <td class="numLine"> 24</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> = exponentialBackoffHandler(12, 5, TimeUnit.SECONDS);</pre></td></tr> |
| <tr> <td class="numLineCover"> 25</td> <td class="nbHitsCovered"> 1</td> <td class="src"><pre class="src"> <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">final</span> ExceptionHandler noRetryHandler</pre></td></tr> |
| <tr> <td class="numLine"> 26</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> = exponentialBackoffHandler(-1, 0, TimeUnit.SECONDS);</pre></td></tr> |
| <tr> <td class="numLine"> 27</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 28</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">// Prevent instantiation.</span></pre></td></tr> |
| <tr> <td class="numLineCover"> 29</td> <td class="nbHitsUncovered"> 0</td> <td class="src"><pre class="src"><span class="srcUncovered"> <span class="keyword">private</span> ExceptionHandlers() {}</span></pre></td></tr> |
| <tr> <td class="numLine"> 30</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 31</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">/**</span></pre></td></tr> |
| <tr> <td class="numLine"> 32</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * The default exception handler. Currently it is equivalent to {@code</span></pre></td></tr> |
| <tr> <td class="numLine"> 33</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * exponentialBackoffHandler(12, 5, TimeUnit.SECONDS)}, but it is free to</span></pre></td></tr> |
| <tr> <td class="numLine"> 34</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * change in the future.</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="keyword">public</span> <span class="keyword">static</span> ExceptionHandler defaultHandler() {</pre></td></tr> |
| <tr> <td class="numLineCover"> 37</td> <td class="nbHitsCovered"> 75</td> <td class="src"><pre class="src"> <span class="keyword">return</span> defaultHandler;</pre></td></tr> |
| <tr> <td class="numLine"> 38</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 39</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 40</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">/**</span></pre></td></tr> |
| <tr> <td class="numLine"> 41</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * Create a handler that uses exponential backoff to sleep before retrying.</span></pre></td></tr> |
| <tr> <td class="numLine"> 42</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> */</span></pre></td></tr> |
| <tr> <td class="numLine"> 43</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> <span class="keyword">static</span> ExceptionHandler exponentialBackoffHandler(<span class="keyword">int</span> maximumTries,</pre></td></tr> |
| <tr> <td class="numLine"> 44</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">long</span> initialSleepDuration, TimeUnit initialSleepUnit) {</pre></td></tr> |
| <tr> <td class="numLineCover"> 45</td> <td class="nbHitsUncovered"><a title="Line 45: Conditional coverage 50% (1/2)."> 4</a></td> <td class="src"><pre class="src"><span class="srcUncovered"> <a title="Line 45: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (initialSleepUnit == <span class="keyword">null</span>) {</a></span></pre></td></tr> |
| <tr> <td class="numLineCover"> 46</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"> 47</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLineCover"> 48</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> <span class="keyword">return</span> <span class="keyword">new</span> ExponentialBackoffExceptionHandler(</pre></td></tr> |
| <tr> <td class="numLine"> 49</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> maximumTries, initialSleepDuration, initialSleepUnit);</pre></td></tr> |
| <tr> <td class="numLine"> 50</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 51</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 52</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment">/**</span></pre></td></tr> |
| <tr> <td class="numLine"> 53</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> * Create a handler that always returns {@code false}, causing no retries.</span></pre></td></tr> |
| <tr> <td class="numLine"> 54</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="comment"> */</span></pre></td></tr> |
| <tr> <td class="numLine"> 55</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> <span class="keyword">static</span> ExceptionHandler noRetryHandler() {</pre></td></tr> |
| <tr> <td class="numLineCover"> 56</td> <td class="nbHitsCovered"> 22</td> <td class="src"><pre class="src"> <span class="keyword">return</span> noRetryHandler;</pre></td></tr> |
| <tr> <td class="numLine"> 57</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 58</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 59</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">class</span> ExponentialBackoffExceptionHandler</pre></td></tr> |
| <tr> <td class="numLine"> 60</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">implements</span> ExceptionHandler {</pre></td></tr> |
| <tr> <td class="numLine"> 61</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">private</span> <span class="keyword">final</span> <span class="keyword">int</span> maximumTries;</pre></td></tr> |
| <tr> <td class="numLine"> 62</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">private</span> <span class="keyword">final</span> <span class="keyword">long</span> sleepDuration;</pre></td></tr> |
| <tr> <td class="numLine"> 63</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">private</span> <span class="keyword">final</span> TimeUnit sleepUnit;</pre></td></tr> |
| <tr> <td class="numLine"> 64</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 65</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> ExponentialBackoffExceptionHandler(<span class="keyword">int</span> maximumTries,</pre></td></tr> |
| <tr> <td class="numLineCover"> 66</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> <span class="keyword">long</span> sleepDuration, TimeUnit sleepUnit) {</pre></td></tr> |
| <tr> <td class="numLineCover"> 67</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> <span class="keyword">this</span>.maximumTries = maximumTries;</pre></td></tr> |
| <tr> <td class="numLineCover"> 68</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> <span class="keyword">this</span>.sleepDuration = sleepDuration;</pre></td></tr> |
| <tr> <td class="numLineCover"> 69</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> <span class="keyword">this</span>.sleepUnit = sleepUnit;</pre></td></tr> |
| <tr> <td class="numLineCover"> 70</td> <td class="nbHitsCovered"> 4</td> <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 71</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> </pre></td></tr> |
| <tr> <td class="numLine"> 72</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> @Override</pre></td></tr> |
| <tr> <td class="numLine"> 73</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> <span class="keyword">boolean</span> handleException(Exception ex, <span class="keyword">int</span> ntries)</pre></td></tr> |
| <tr> <td class="numLine"> 74</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">throws</span> InterruptedException {</pre></td></tr> |
| <tr> <td class="numLineCover"> 75</td> <td class="nbHitsCovered"><a title="Line 75: Conditional coverage 100% (2/2)."> 11</a></td> <td class="src"><pre class="src"> <a title="Line 75: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (ntries > maximumTries) {</a></pre></td></tr> |
| <tr> <td class="numLineCover"> 76</td> <td class="nbHitsCovered"> 1</td> <td class="src"><pre class="src"> <span class="keyword">return</span> <span class="keyword">false</span>;</pre></td></tr> |
| <tr> <td class="numLine"> 77</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLineCover"> 78</td> <td class="nbHitsCovered"> 10</td> <td class="src"><pre class="src"> sleepUnit.sleep(sleepDuration * ntries);</pre></td></tr> |
| <tr> <td class="numLineCover"> 79</td> <td class="nbHitsUncovered"> 0</td> <td class="src"><pre class="src"><span class="srcUncovered"> <span class="keyword">return</span> <span class="keyword">true</span>;</span></pre></td></tr> |
| <tr> <td class="numLine"> 80</td> <td class="nbHits"> </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"> @Override</pre></td></tr> |
| <tr> <td class="numLine"> 83</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> <span class="keyword">public</span> String toString() {</pre></td></tr> |
| <tr> <td class="numLineCover"> 84</td> <td class="nbHitsCovered"> 1</td> <td class="src"><pre class="src"> <span class="keyword">return</span> getClass().getSimpleName() + <span class="string">"("</span> + maximumTries + <span class="string">","</span></pre></td></tr> |
| <tr> <td class="numLine"> 85</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> + sleepDuration + <span class="string">" "</span> + sleepUnit + <span class="string">")"</span>;</pre></td></tr> |
| <tr> <td class="numLine"> 86</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 87</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| <tr> <td class="numLine"> 88</td> <td class="nbHits"> </td> |
| <td class="src"><pre class="src"> }</pre></td></tr> |
| </table> |
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