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| <div class="title">ExternalDataSourceExecutor.java</div> </div> |
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| <a href="ExternalDataSourceExecutor_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.extdatasource;</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.lang.reflect.Constructor;</div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">import</span> java.net.URL;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">import</span> java.net.URLClassLoader;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">import</span> org.apache.commons.lang.ArrayUtils;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">import</span> org.apache.thrift.TException;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">import</span> org.apache.thrift.TSerializer;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">import</span> org.apache.thrift.protocol.TBinaryProtocol;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">import</span> org.slf4j.Logger;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">import</span> org.slf4j.LoggerFactory;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaException.html">com.cloudera.impala.common.ImpalaException</a>;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaRuntimeException.html">com.cloudera.impala.common.ImpalaRuntimeException</a>;</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">com.cloudera.impala.common.InternalException</a>;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1JniUtil.html">com.cloudera.impala.common.JniUtil</a>;</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">import</span> com.cloudera.impala.extdatasource.thrift.TCloseParams;</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">import</span> com.cloudera.impala.extdatasource.thrift.TCloseResult;</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">import</span> com.cloudera.impala.extdatasource.thrift.TGetNextParams;</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">import</span> com.cloudera.impala.extdatasource.thrift.TGetNextResult;</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">import</span> com.cloudera.impala.extdatasource.thrift.TOpenParams;</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">import</span> com.cloudera.impala.extdatasource.thrift.TOpenResult;</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">import</span> com.cloudera.impala.extdatasource.thrift.TPrepareParams;</div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">import</span> com.cloudera.impala.extdatasource.thrift.TPrepareResult;</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">import</span> com.cloudera.impala.extdatasource.v1.ExternalDataSource;</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TErrorCode;</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TStatus;</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">import</span> com.google.common.base.Preconditions;</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">import</span> com.google.common.collect.Lists;</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html"> 58</a></span> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html">ExternalDataSourceExecutor</a> {</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a5be83334eafa6f5b9125b0da3568d8f0"> 59</a></span>  <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_1extdatasource_1_1ExternalDataSourceExecutor.html#a5be83334eafa6f5b9125b0da3568d8f0">LOG</a> = LoggerFactory.getLogger(</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  ExternalDataSourceExecutor.class);</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a1c27d876d2cb06736f697033c77955b5"> 61</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> <span class="keyword">static</span> TBinaryProtocol.Factory <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a1c27d876d2cb06736f697033c77955b5">protocolFactory_</a> =</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">new</span> TBinaryProtocol.Factory();</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div> |
| <div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a2a8a2c08dedf8cb8ffed6c4b2e752ecc"> 64</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> <a class="code" href="enumcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ApiVersion.html">ApiVersion</a> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a2a8a2c08dedf8cb8ffed6c4b2e752ecc">apiVersion_</a>;</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#acaa065dca9c8219a42508d08aaf96a79"> 65</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> ExternalDataSource <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#acaa065dca9c8219a42508d08aaf96a79">dataSource_</a>;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#ac776134a42078287486b2c1c9d6cc24f"> 66</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#ac776134a42078287486b2c1c9d6cc24f">jarPath_</a>;</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a0411a8491e983a62eb5392f245bbe760"> 67</a></span>  <span class="keyword">private</span> <span class="keyword">final</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a0411a8491e983a62eb5392f245bbe760">className_</a>;</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div> |
| <div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a807cbb403b0158cb156bd4fe481b5743"> 75</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a807cbb403b0158cb156bd4fe481b5743">ExternalDataSourceExecutor</a>(String jarPath, String className,</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  String apiVersionStr) <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaException.html">ImpalaException</a> {</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  Preconditions.checkNotNull(jarPath);</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a2a8a2c08dedf8cb8ffed6c4b2e752ecc">apiVersion_</a> = ApiVersion.valueOf(apiVersionStr);</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (apiVersion_ == null) {</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaRuntimeException.html">ImpalaRuntimeException</a>(<span class="stringliteral">"Invalid API version: "</span> + apiVersionStr);</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#ac776134a42078287486b2c1c9d6cc24f">jarPath_</a> = jarPath;</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a0411a8491e983a62eb5392f245bbe760">className_</a> = className;</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  URL url = <span class="keyword">new</span> File(jarPath).toURI().toURL();</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  URLClassLoader loader = URLClassLoader.newInstance(</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">new</span> URL[] { url }, getClass().getClassLoader());</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  Class<?> c = Class.forName(className, <span class="keyword">true</span>, loader);</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (!ArrayUtils.contains(c.getInterfaces(), apiVersion_.getApiInterface())) {</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaRuntimeException.html">ImpalaRuntimeException</a>(String.format(</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="stringliteral">"Class '%s' does not implement interface '%s' required for API version %s"</span>,</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  className, apiVersion_.getApiInterface().getName(), apiVersionStr));</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  Constructor<?> ctor = c.getConstructor();</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#acaa065dca9c8219a42508d08aaf96a79">dataSource_</a> = (ExternalDataSource) ctor.newInstance();</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  } <span class="keywordflow">catch</span> (Exception ex) {</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaRuntimeException.html">ImpalaRuntimeException</a>(String.format(<span class="stringliteral">"Unable to load external data "</span> +</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="stringliteral">"source library from path=%s className=%s apiVersion=%s"</span>, jarPath,</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  className, apiVersionStr), ex);</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="l00105"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a1bd79ce996e754e23fc4d12a19dd1ff5"> 105</a></span>  <span class="keyword">public</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a1bd79ce996e754e23fc4d12a19dd1ff5">prepare</a>(byte[] thriftParams) <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaException.html">ImpalaException</a> {</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  TPrepareParams params = <span class="keyword">new</span> TPrepareParams();</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  JniUtil.deserializeThrift(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a1c27d876d2cb06736f697033c77955b5">protocolFactory_</a>, params, thriftParams);</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  TPrepareResult result = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a1bd79ce996e754e23fc4d12a19dd1ff5">prepare</a>(params);</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> TSerializer(protocolFactory_).serialize(result);</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  } <span class="keywordflow">catch</span> (TException e) {</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a>(e.getMessage(), e);</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div> |
| <div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#ad34fe7cebab64a08313635537fc61438"> 116</a></span>  <span class="keyword">public</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#ad34fe7cebab64a08313635537fc61438">open</a>(byte[] thriftParams) <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaException.html">ImpalaException</a> {</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  TOpenParams params = <span class="keyword">new</span> TOpenParams();</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  JniUtil.deserializeThrift(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a1c27d876d2cb06736f697033c77955b5">protocolFactory_</a>, params, thriftParams);</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  TOpenResult result = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#ad34fe7cebab64a08313635537fc61438">open</a>(params);</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>  <span class="keywordflow">return</span> <span class="keyword">new</span> TSerializer(protocolFactory_).serialize(result);</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  } <span class="keywordflow">catch</span> (TException e) {</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a>(e.getMessage(), 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> </div> |
| <div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a8e250e61eb7ed843a50a491f0a25591a"> 127</a></span>  <span class="keyword">public</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a8e250e61eb7ed843a50a491f0a25591a">getNext</a>(byte[] thriftParams) <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaException.html">ImpalaException</a> {</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  TGetNextParams params = <span class="keyword">new</span> TGetNextParams();</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  JniUtil.deserializeThrift(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a1c27d876d2cb06736f697033c77955b5">protocolFactory_</a>, params, thriftParams);</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  TGetNextResult result = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a8e250e61eb7ed843a50a491f0a25591a">getNext</a>(params);</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> TSerializer(protocolFactory_).serialize(result);</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  } <span class="keywordflow">catch</span> (TException e) {</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a>(e.getMessage(), e);</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</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="line"><a name="l00138"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a6980372f59871c3a27118ee24c3f11ee"> 138</a></span>  <span class="keyword">public</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a6980372f59871c3a27118ee24c3f11ee">close</a>(byte[] thriftParams) <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaException.html">ImpalaException</a> {</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  TCloseParams params = <span class="keyword">new</span> TCloseParams();</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  JniUtil.deserializeThrift(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a1c27d876d2cb06736f697033c77955b5">protocolFactory_</a>, params, thriftParams);</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  TCloseResult result = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a6980372f59871c3a27118ee24c3f11ee">close</a>(params);</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> TSerializer(protocolFactory_).serialize(result);</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  } <span class="keywordflow">catch</span> (TException e) {</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a>(e.getMessage(), e);</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// Helper method to log the exception to capture the stack and return an error TStatus</span></div> |
| <div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a5ff0f688af50b76d9fe83409dd6e6675"> 150</a></span>  <span class="keyword">private</span> TStatus <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a5ff0f688af50b76d9fe83409dd6e6675">logAndMakeErrorStatus</a>(String opName, Exception e) {</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  String exceptionMessage = e.getMessage();</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">if</span> (exceptionMessage == null) {</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  exceptionMessage = <span class="stringliteral">"No error message returned by data source. Check the "</span> +</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="stringliteral">"impalad log for more information."</span>;</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  String errorMessage = String.format(</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="stringliteral">"Error in data source (path=%s, class=%s, version=%s) %s: %s"</span>,</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#ac776134a42078287486b2c1c9d6cc24f">jarPath_</a>, <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a0411a8491e983a62eb5392f245bbe760">className_</a>, apiVersion_.name(), opName,</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  exceptionMessage);</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  LOG.error(errorMessage, e); <span class="comment">// Logs the stack</span></div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> TStatus(TErrorCode.RUNTIME_ERROR, Lists.newArrayList(errorMessage));</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div> |
| <div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a899ca4078ae31dda26a229e8911cf1e6"> 164</a></span>  <span class="keyword">public</span> TPrepareResult <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a899ca4078ae31dda26a229e8911cf1e6">prepare</a>(TPrepareParams params) {</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  TPrepareResult result = dataSource_.prepare(params);</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  result.validate();</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> result;</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  } <span class="keywordflow">catch</span> (Exception e) {</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> TPrepareResult(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a5ff0f688af50b76d9fe83409dd6e6675">logAndMakeErrorStatus</a>(<span class="stringliteral">"prepare()"</span>, e));</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div> |
| <div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#add4774b3ef5221b3449df5d1bd823601"> 174</a></span>  <span class="keyword">public</span> TOpenResult <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#add4774b3ef5221b3449df5d1bd823601">open</a>(TOpenParams params) {</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  TOpenResult result = dataSource_.open(params);</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  result.validate();</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> result;</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  } <span class="keywordflow">catch</span> (Exception e) {</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> TOpenResult(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a5ff0f688af50b76d9fe83409dd6e6675">logAndMakeErrorStatus</a>(<span class="stringliteral">"open()"</span>, e));</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div> |
| <div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#aabd8cbc86a2e33e8a5c91d2cd3d5d507"> 184</a></span>  <span class="keyword">public</span> TGetNextResult <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#aabd8cbc86a2e33e8a5c91d2cd3d5d507">getNext</a>(TGetNextParams params) {</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  TGetNextResult result = dataSource_.getNext(params);</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  result.validate();</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">return</span> result;</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  } <span class="keywordflow">catch</span> (Exception e) {</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> TGetNextResult(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a5ff0f688af50b76d9fe83409dd6e6675">logAndMakeErrorStatus</a>(<span class="stringliteral">"getNext()"</span>, e));</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div> |
| <div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#acdb6078c51e301f09cc0ba056e617b97"> 194</a></span>  <span class="keyword">public</span> TCloseResult <a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#acdb6078c51e301f09cc0ba056e617b97">close</a>(TCloseParams params) {</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">try</span> {</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  TCloseResult result = dataSource_.close(params);</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  result.validate();</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> result;</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  } <span class="keywordflow">catch</span> (Exception e) {</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> TCloseResult(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a5ff0f688af50b76d9fe83409dd6e6675">logAndMakeErrorStatus</a>(<span class="stringliteral">"close()"</span>, e));</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span> }</div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_acaa065dca9c8219a42508d08aaf96a79"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#acaa065dca9c8219a42508d08aaf96a79">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.dataSource_</a></div><div class="ttdeci">final ExternalDataSource dataSource_</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00065">ExternalDataSourceExecutor.java:65</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor</a></div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00058">ExternalDataSourceExecutor.java:58</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_a5ff0f688af50b76d9fe83409dd6e6675"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a5ff0f688af50b76d9fe83409dd6e6675">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.logAndMakeErrorStatus</a></div><div class="ttdeci">TStatus logAndMakeErrorStatus(String opName, Exception e)</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00150">ExternalDataSourceExecutor.java:150</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_ac776134a42078287486b2c1c9d6cc24f"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#ac776134a42078287486b2c1c9d6cc24f">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.jarPath_</a></div><div class="ttdeci">final String jarPath_</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00066">ExternalDataSourceExecutor.java:66</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_a5be83334eafa6f5b9125b0da3568d8f0"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a5be83334eafa6f5b9125b0da3568d8f0">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.LOG</a></div><div class="ttdeci">static final Logger LOG</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00059">ExternalDataSourceExecutor.java:59</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_add4774b3ef5221b3449df5d1bd823601"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#add4774b3ef5221b3449df5d1bd823601">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.open</a></div><div class="ttdeci">TOpenResult open(TOpenParams params)</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00174">ExternalDataSourceExecutor.java:174</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaRuntimeException_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaRuntimeException.html">com.cloudera.impala.common.ImpalaRuntimeException</a></div><div class="ttdef"><b>Definition:</b> <a href="ImpalaRuntimeException_8java_source.html#l00021">ImpalaRuntimeException.java:21</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_aabd8cbc86a2e33e8a5c91d2cd3d5d507"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#aabd8cbc86a2e33e8a5c91d2cd3d5d507">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.getNext</a></div><div class="ttdeci">TGetNextResult getNext(TGetNextParams params)</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00184">ExternalDataSourceExecutor.java:184</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_a8e250e61eb7ed843a50a491f0a25591a"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a8e250e61eb7ed843a50a491f0a25591a">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.getNext</a></div><div class="ttdeci">byte[] getNext(byte[] thriftParams)</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00127">ExternalDataSourceExecutor.java:127</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_a807cbb403b0158cb156bd4fe481b5743"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a807cbb403b0158cb156bd4fe481b5743">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.ExternalDataSourceExecutor</a></div><div class="ttdeci">ExternalDataSourceExecutor(String jarPath, String className, String apiVersionStr)</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00075">ExternalDataSourceExecutor.java:75</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_a1c27d876d2cb06736f697033c77955b5"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a1c27d876d2cb06736f697033c77955b5">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.protocolFactory_</a></div><div class="ttdeci">static final TBinaryProtocol.Factory protocolFactory_</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00061">ExternalDataSourceExecutor.java:61</a></div></div> |
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| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_a0411a8491e983a62eb5392f245bbe760"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a0411a8491e983a62eb5392f245bbe760">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.className_</a></div><div class="ttdeci">final String className_</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00067">ExternalDataSourceExecutor.java:67</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_a1bd79ce996e754e23fc4d12a19dd1ff5"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a1bd79ce996e754e23fc4d12a19dd1ff5">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.prepare</a></div><div class="ttdeci">byte[] prepare(byte[] thriftParams)</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00105">ExternalDataSourceExecutor.java:105</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_acdb6078c51e301f09cc0ba056e617b97"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#acdb6078c51e301f09cc0ba056e617b97">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.close</a></div><div class="ttdeci">TCloseResult close(TCloseParams params)</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00194">ExternalDataSourceExecutor.java:194</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_a2a8a2c08dedf8cb8ffed6c4b2e752ecc"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a2a8a2c08dedf8cb8ffed6c4b2e752ecc">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.apiVersion_</a></div><div class="ttdeci">final ApiVersion apiVersion_</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00064">ExternalDataSourceExecutor.java:64</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1common_1_1JniUtil_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1common_1_1JniUtil.html">com.cloudera.impala.common.JniUtil</a></div><div class="ttdef"><b>Definition:</b> <a href="JniUtil_8java_source.html#l00040">JniUtil.java:40</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_a899ca4078ae31dda26a229e8911cf1e6"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a899ca4078ae31dda26a229e8911cf1e6">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.prepare</a></div><div class="ttdeci">TPrepareResult prepare(TPrepareParams params)</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00164">ExternalDataSourceExecutor.java:164</a></div></div> |
| <div class="ttc" id="enumcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ApiVersion_html"><div class="ttname"><a href="enumcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ApiVersion.html">com.cloudera.impala.extdatasource.ApiVersion</a></div><div class="ttdef"><b>Definition:</b> <a href="ApiVersion_8java_source.html#l00023">ApiVersion.java:23</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_a6980372f59871c3a27118ee24c3f11ee"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#a6980372f59871c3a27118ee24c3f11ee">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.close</a></div><div class="ttdeci">byte[] close(byte[] thriftParams)</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00138">ExternalDataSourceExecutor.java:138</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaException_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1common_1_1ImpalaException.html">com.cloudera.impala.common.ImpalaException</a></div><div class="ttdef"><b>Definition:</b> <a href="ImpalaException_8java_source.html#l00022">ImpalaException.java:22</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor_html_ad34fe7cebab64a08313635537fc61438"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1extdatasource_1_1ExternalDataSourceExecutor.html#ad34fe7cebab64a08313635537fc61438">com.cloudera.impala.extdatasource.ExternalDataSourceExecutor.open</a></div><div class="ttdeci">byte[] open(byte[] thriftParams)</div><div class="ttdef"><b>Definition:</b> <a href="ExternalDataSourceExecutor_8java_source.html#l00116">ExternalDataSourceExecutor.java:116</a></div></div> |
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