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<div class="title">NativeLogger.java</div> </div>
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<a href="NativeLogger_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>&#160;<span class="comment">// Copyright 2012 Cloudera Inc.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<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>&#160;<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>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<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>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<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>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<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>&#160;<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>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">package </span>com.cloudera.impala.util;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="keyword">import</span> org.slf4j.Logger;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">import</span> org.slf4j.LoggerFactory;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html"> 24</a></span>&#160;<span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html">NativeLogger</a> {</div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a98c6cd5346c416c23fc103edbe8ac311"> 25</a></span>&#160; <span class="keyword">private</span> <span class="keyword">final</span> <span class="keyword">static</span> Logger <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a98c6cd5346c416c23fc103edbe8ac311">LOG</a> = LoggerFactory.getLogger(NativeLogger.class);</div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a3468a5991c32923411ac4c4d2a5de177"> 26</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a3468a5991c32923411ac4c4d2a5de177">loaded_</a> = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="comment">// Writes a log message to glog</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keyword">private</span> native <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a6d5c02243b39791d909563eb542d11eb">Log</a>(<span class="keywordtype">int</span> severity, String msg, String filename, <span class="keywordtype">int</span> line);</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a5594c28d488fd39c37b6a79c41eb34f4"> 31</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a5594c28d488fd39c37b6a79c41eb34f4">LogToGlog</a>(<span class="keywordtype">int</span> severity, String msg, String filename, <span class="keywordtype">int</span> line) {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a6d5c02243b39791d909563eb542d11eb">Log</a>(severity, msg, filename, line);</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; } <span class="keywordflow">catch</span> (UnsatisfiedLinkError e) {</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a396e038879da8f24b73eac6b7431656c">loadLibrary</a>();</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a6d5c02243b39791d909563eb542d11eb">Log</a>(severity, msg, filename, line);</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; }</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; }</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a396e038879da8f24b73eac6b7431656c"> 43</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">synchronized</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a396e038879da8f24b73eac6b7431656c">loadLibrary</a>() {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a3468a5991c32923411ac4c4d2a5de177">loaded_</a>) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; NativeLibUtil.loadLibrary(<span class="stringliteral">&quot;libloggingsupport.so&quot;</span>);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a3468a5991c32923411ac4c4d2a5de177">loaded_</a> = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; }</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;}</div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger_html_a6d5c02243b39791d909563eb542d11eb"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a6d5c02243b39791d909563eb542d11eb">com.cloudera.impala.util.NativeLogger.Log</a></div><div class="ttdeci">static native void Log(int severity, String msg, String filename, int line)</div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger_html_a3468a5991c32923411ac4c4d2a5de177"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a3468a5991c32923411ac4c4d2a5de177">com.cloudera.impala.util.NativeLogger.loaded_</a></div><div class="ttdeci">static boolean loaded_</div><div class="ttdef"><b>Definition:</b> <a href="NativeLogger_8java_source.html#l00026">NativeLogger.java:26</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html">com.cloudera.impala.util.NativeLogger</a></div><div class="ttdef"><b>Definition:</b> <a href="NativeLogger_8java_source.html#l00024">NativeLogger.java:24</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger_html_a98c6cd5346c416c23fc103edbe8ac311"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a98c6cd5346c416c23fc103edbe8ac311">com.cloudera.impala.util.NativeLogger.LOG</a></div><div class="ttdeci">static final Logger LOG</div><div class="ttdef"><b>Definition:</b> <a href="NativeLogger_8java_source.html#l00025">NativeLogger.java:25</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger_html_a396e038879da8f24b73eac6b7431656c"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a396e038879da8f24b73eac6b7431656c">com.cloudera.impala.util.NativeLogger.loadLibrary</a></div><div class="ttdeci">static synchronized void loadLibrary()</div><div class="ttdef"><b>Definition:</b> <a href="NativeLogger_8java_source.html#l00043">NativeLogger.java:43</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger_html_a5594c28d488fd39c37b6a79c41eb34f4"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLogger.html#a5594c28d488fd39c37b6a79c41eb34f4">com.cloudera.impala.util.NativeLogger.LogToGlog</a></div><div class="ttdeci">static void LogToGlog(int severity, String msg, String filename, int line)</div><div class="ttdef"><b>Definition:</b> <a href="NativeLogger_8java_source.html#l00031">NativeLogger.java:31</a></div></div>
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