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| <div class="title">FileWatchService.java</div> </div> |
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| <a href="FileWatchService_8java.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2014 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">package </span>com.cloudera.impala.util;</div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">import</span> java.io.File;</div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">import</span> java.util.concurrent.Executors;</div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">import</span> java.util.concurrent.ScheduledExecutorService;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">import</span> java.util.concurrent.ScheduledFuture;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">import</span> java.util.concurrent.TimeUnit;</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">import</span> java.util.concurrent.atomic.AtomicBoolean;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">import</span> org.slf4j.Logger;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">import</span> org.slf4j.LoggerFactory;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">import</span> com.google.common.annotations.VisibleForTesting;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">import</span> com.google.common.base.Preconditions;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">import</span> com.google.common.util.concurrent.ThreadFactoryBuilder;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> |
| <div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html"> 36</a></span> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html">FileWatchService</a> {</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#ae994a4daec1ede730ed69e644c069716"> 37</a></span>  <span class="keyword">final</span> <span class="keyword">static</span> Logger <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#ae994a4daec1ede730ed69e644c069716">LOG</a> = LoggerFactory.getLogger(FileWatchService.class);</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// Default time to wait between checking the file.</span></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#adefacc50567859fd478964e773ce52e9"> 40</a></span>  <span class="keyword">static</span> <span class="keyword">final</span> <span class="keywordtype">long</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#adefacc50567859fd478964e773ce52e9">DEFAULT_CHECK_INTERVAL_MS</a> = 10 * 1000;</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// Time between checking for changes. Mutable for unit tests.</span></div> |
| <div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a63373f0d099998665007fc16ea1ffdb5"> 43</a></span>  <span class="keyword">private</span> <span class="keywordtype">long</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a63373f0d099998665007fc16ea1ffdb5">checkIntervalMs_</a> = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#adefacc50567859fd478964e773ce52e9">DEFAULT_CHECK_INTERVAL_MS</a>;</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// Future returned by scheduleAtFixedRate(), needed to stop the checking thread.</span></div> |
| <div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#aecfef362a6bb3b5f4c886ded76b9e050"> 46</a></span>  <span class="keyword">private</span> ScheduledFuture<?> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#aecfef362a6bb3b5f4c886ded76b9e050">fileCheckFuture_</a>;</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div> |
| <div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a87fe1920266e246c0d32de3f864f5872"> 48</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> AtomicBoolean <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a87fe1920266e246c0d32de3f864f5872">running_</a>;</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a8f719e4627cd1b5a7a590c548d223676"> 49</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> <a class="code" href="interfacecom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_1_1FileChangeListener.html">FileChangeListener</a> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a8f719e4627cd1b5a7a590c548d223676">changeListener_</a>; <span class="comment">// Used to notify when changes occur.</span></div> |
| <div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a789f3afb342b77d3c8b6dccb81f79bbc"> 50</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> File <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a789f3afb342b77d3c8b6dccb81f79bbc">file_</a>; <span class="comment">// The file to check for changes.</span></div> |
| <div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a3da8da088565279d57e1dd219a841f5d"> 51</a></span>  <span class="keyword">private</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a3da8da088565279d57e1dd219a841f5d">alreadyWarned_</a>; <span class="comment">// Avoid repeatedly warning if the file is missing</span></div> |
| <div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a6f6f628f668191c485d4c70a76f81e7e"> 52</a></span>  <span class="keyword">private</span> <span class="keywordtype">long</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a6f6f628f668191c485d4c70a76f81e7e">prevChange_</a>; <span class="comment">// Time of the last observed change</span></div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div> |
| <div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="interfacecom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_1_1FileChangeListener.html"> 57</a></span>  <span class="keyword">public</span> <span class="keyword">interface </span><a class="code" href="interfacecom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_1_1FileChangeListener.html">FileChangeListener</a> {</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">void</span> <a class="code" href="interfacecom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_1_1FileChangeListener.html#a068966740e33b90552649776b5b0c9ee">onFileChange</a>();</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div> |
| <div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a3d8f8292f671efad2f81c1ddfa853eb1"> 65</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a3d8f8292f671efad2f81c1ddfa853eb1">FileWatchService</a>(File file, <a class="code" href="interfacecom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_1_1FileChangeListener.html">FileChangeListener</a> listener) {</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  Preconditions.checkNotNull(file);</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  Preconditions.checkNotNull(listener);</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  Preconditions.checkArgument(file.exists());</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a87fe1920266e246c0d32de3f864f5872">running_</a> = <span class="keyword">new</span> AtomicBoolean(<span class="keyword">false</span>);</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a789f3afb342b77d3c8b6dccb81f79bbc">file_</a> = file;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a8f719e4627cd1b5a7a590c548d223676">changeListener_</a> = listener;</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a6f6f628f668191c485d4c70a76f81e7e">prevChange_</a> = 0L;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a3da8da088565279d57e1dd219a841f5d">alreadyWarned_</a> = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  @VisibleForTesting</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a833b85b917d4213069051d12cb898ce3"> 81</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a833b85b917d4213069051d12cb898ce3">setCheckIntervalMs</a>(<span class="keywordtype">long</span> checkIntervalMs) {</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a63373f0d099998665007fc16ea1ffdb5">checkIntervalMs_</a> = checkIntervalMs;</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div> |
| <div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#aec12c5b3cbb91622690ac4bf8a77c082"> 89</a></span>  <span class="keyword">private</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#aec12c5b3cbb91622690ac4bf8a77c082">checkFile</a>() {</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a789f3afb342b77d3c8b6dccb81f79bbc">file_</a>.exists()) {</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">long</span> lastChange = file_.lastModified();</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">if</span> (lastChange > <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a6f6f628f668191c485d4c70a76f81e7e">prevChange_</a>) {</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  changeListener_.onFileChange();</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a6f6f628f668191c485d4c70a76f81e7e">prevChange_</a> = lastChange;</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a3da8da088565279d57e1dd219a841f5d">alreadyWarned_</a> = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> (!<a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a3da8da088565279d57e1dd219a841f5d">alreadyWarned_</a>) {</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  LOG.warn(<span class="stringliteral">"File does not exist: {}"</span>, file_.getPath());</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a3da8da088565279d57e1dd219a841f5d">alreadyWarned_</a> = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> |
| <div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#aa259c2a48f1a1a44235230cc7a5b3dac"> 109</a></span>  <span class="keyword">public</span> <span class="keyword">synchronized</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#aa259c2a48f1a1a44235230cc7a5b3dac">start</a>() {</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  Preconditions.checkState(!running_.get());</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  running_.set(<span class="keyword">true</span>);</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor(</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">new</span> ThreadFactoryBuilder()</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  .setDaemon(<span class="keyword">true</span>)</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  .setNameFormat(<span class="stringliteral">"FileWatchThread("</span> + <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a789f3afb342b77d3c8b6dccb81f79bbc">file_</a>.getPath() + <span class="stringliteral">")-%d"</span>)</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  .build());</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#aecfef362a6bb3b5f4c886ded76b9e050">fileCheckFuture_</a> = executor.scheduleAtFixedRate(<span class="keyword">new</span> <a class="code" href="classRunnable.html">Runnable</a>() {</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">public</span> <span class="keywordtype">void</span> run() {</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#aec12c5b3cbb91622690ac4bf8a77c082">checkFile</a>();</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  } <span class="keywordflow">catch</span> (SecurityException e) {</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  LOG.warn(<span class="stringliteral">"Not allowed to check read file existence: "</span> + file_.getPath(), e);</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }, 0L, <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a63373f0d099998665007fc16ea1ffdb5">checkIntervalMs_</a>, TimeUnit.MILLISECONDS);</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div> |
| <div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a90b71cf913fe50b604fb97e4db6adb90"> 132</a></span>  <span class="keyword">public</span> <span class="keyword">synchronized</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a90b71cf913fe50b604fb97e4db6adb90">stop</a>() {</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  Preconditions.checkState(running_.get());</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  running_.set(<span class="keyword">false</span>);</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  fileCheckFuture_.cancel(<span class="keyword">false</span>);</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> }</div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_a8f719e4627cd1b5a7a590c548d223676"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a8f719e4627cd1b5a7a590c548d223676">com.cloudera.impala.util.FileWatchService.changeListener_</a></div><div class="ttdeci">final FileChangeListener changeListener_</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00049">FileWatchService.java:49</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_aecfef362a6bb3b5f4c886ded76b9e050"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#aecfef362a6bb3b5f4c886ded76b9e050">com.cloudera.impala.util.FileWatchService.fileCheckFuture_</a></div><div class="ttdeci">ScheduledFuture<?> fileCheckFuture_</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00046">FileWatchService.java:46</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_aec12c5b3cbb91622690ac4bf8a77c082"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#aec12c5b3cbb91622690ac4bf8a77c082">com.cloudera.impala.util.FileWatchService.checkFile</a></div><div class="ttdeci">void checkFile()</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00089">FileWatchService.java:89</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_a789f3afb342b77d3c8b6dccb81f79bbc"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a789f3afb342b77d3c8b6dccb81f79bbc">com.cloudera.impala.util.FileWatchService.file_</a></div><div class="ttdeci">final File file_</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00050">FileWatchService.java:50</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_a63373f0d099998665007fc16ea1ffdb5"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a63373f0d099998665007fc16ea1ffdb5">com.cloudera.impala.util.FileWatchService.checkIntervalMs_</a></div><div class="ttdeci">long checkIntervalMs_</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00043">FileWatchService.java:43</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_a90b71cf913fe50b604fb97e4db6adb90"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a90b71cf913fe50b604fb97e4db6adb90">com.cloudera.impala.util.FileWatchService.stop</a></div><div class="ttdeci">synchronized void stop()</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00132">FileWatchService.java:132</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_ae994a4daec1ede730ed69e644c069716"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#ae994a4daec1ede730ed69e644c069716">com.cloudera.impala.util.FileWatchService.LOG</a></div><div class="ttdeci">static final Logger LOG</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00037">FileWatchService.java:37</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_a87fe1920266e246c0d32de3f864f5872"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a87fe1920266e246c0d32de3f864f5872">com.cloudera.impala.util.FileWatchService.running_</a></div><div class="ttdeci">final AtomicBoolean running_</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00048">FileWatchService.java:48</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_a3d8f8292f671efad2f81c1ddfa853eb1"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a3d8f8292f671efad2f81c1ddfa853eb1">com.cloudera.impala.util.FileWatchService.FileWatchService</a></div><div class="ttdeci">FileWatchService(File file, FileChangeListener listener)</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00065">FileWatchService.java:65</a></div></div> |
| <div class="ttc" id="interfacecom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_1_1FileChangeListener_html"><div class="ttname"><a href="interfacecom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_1_1FileChangeListener.html">com.cloudera.impala.util.FileWatchService.FileChangeListener</a></div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00057">FileWatchService.java:57</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_adefacc50567859fd478964e773ce52e9"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#adefacc50567859fd478964e773ce52e9">com.cloudera.impala.util.FileWatchService.DEFAULT_CHECK_INTERVAL_MS</a></div><div class="ttdeci">static final long DEFAULT_CHECK_INTERVAL_MS</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00040">FileWatchService.java:40</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html">com.cloudera.impala.util.FileWatchService</a></div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00036">FileWatchService.java:36</a></div></div> |
| <div class="ttc" id="interfacecom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_1_1FileChangeListener_html_a068966740e33b90552649776b5b0c9ee"><div class="ttname"><a href="interfacecom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_1_1FileChangeListener.html#a068966740e33b90552649776b5b0c9ee">com.cloudera.impala.util.FileWatchService.FileChangeListener.onFileChange</a></div><div class="ttdeci">void onFileChange()</div></div> |
| <div class="ttc" id="classRunnable_html"><div class="ttname"><a href="classRunnable.html">Runnable</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_a833b85b917d4213069051d12cb898ce3"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a833b85b917d4213069051d12cb898ce3">com.cloudera.impala.util.FileWatchService.setCheckIntervalMs</a></div><div class="ttdeci">void setCheckIntervalMs(long checkIntervalMs)</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00081">FileWatchService.java:81</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_a3da8da088565279d57e1dd219a841f5d"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a3da8da088565279d57e1dd219a841f5d">com.cloudera.impala.util.FileWatchService.alreadyWarned_</a></div><div class="ttdeci">boolean alreadyWarned_</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00051">FileWatchService.java:51</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_a6f6f628f668191c485d4c70a76f81e7e"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#a6f6f628f668191c485d4c70a76f81e7e">com.cloudera.impala.util.FileWatchService.prevChange_</a></div><div class="ttdeci">long prevChange_</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00052">FileWatchService.java:52</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService_html_aa259c2a48f1a1a44235230cc7a5b3dac"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1FileWatchService.html#aa259c2a48f1a1a44235230cc7a5b3dac">com.cloudera.impala.util.FileWatchService.start</a></div><div class="ttdeci">synchronized void start()</div><div class="ttdef"><b>Definition:</b> <a href="FileWatchService_8java_source.html#l00109">FileWatchService.java:109</a></div></div> |
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