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<div class="title">jni-util.h</div> </div>
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<a href="jni-util_8h.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;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#ifndef IMPALA_UTIL_JNI_UTIL_H</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define IMPALA_UTIL_JNI_UTIL_H</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#include &lt;jni.h&gt;</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="status_8h.html">common/status.h</a>&quot;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &quot;gen-cpp/Frontend_types.h&quot;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;</div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="jni-util_8h.html#a07bd00c5a7c7bd9a05b26aa67305a966"> 26</a></span>&#160;<span class="preprocessor">#define THROW_IF_ERROR_WITH_LOGGING(stmt, env, adaptor) \</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor"> Status status = (stmt); \</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor"> if (!status.ok()) { \</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor"> (adaptor)-&gt;WriteErrorLog(); \</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor"> (adaptor)-&gt;WriteFileErrors(); \</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor"> (env)-&gt;ThrowNew((adaptor)-&gt;impala_exc_cl(), status.GetDetail().c_str()); \</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor"> return; \</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor"> } while (false)</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="jni-util_8h.html#a5d3c12fb9efc3eebaff42b7ed1fb21e2"> 37</a></span>&#160;<span class="preprocessor">#define THROW_IF_ERROR(stmt, env, impala_exc_cl) \</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="preprocessor"> Status status = (stmt); \</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="preprocessor"> if (!status.ok()) { \</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="preprocessor"> (env)-&gt;ThrowNew((impala_exc_cl), status.GetDetail().c_str()); \</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="preprocessor"> return; \</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="preprocessor"> } while (false)</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="jni-util_8h.html#a493556cb66edd2e0f33e627ddb89762d"> 46</a></span>&#160;<span class="preprocessor">#define THROW_IF_ERROR_RET(stmt, env, impala_exc_cl, ret) \</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="preprocessor"> Status status = (stmt); \</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="preprocessor"> if (!status.ok()) { \</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="preprocessor"> (env)-&gt;ThrowNew((impala_exc_cl), status.GetDetail().c_str()); \</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="preprocessor"> return (ret); \</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="preprocessor"> } while (false)</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="jni-util_8h.html#ac9f2e6a8ae21af43b32c6ee93cf41ee7"> 55</a></span>&#160;<span class="preprocessor">#define THROW_IF_EXC(env, exc_class) \</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="preprocessor"> jthrowable exc = (env)-&gt;ExceptionOccurred(); \</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="preprocessor"> if (exc != NULL) { \</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="preprocessor"> DCHECK((throwable_to_string_id_) != NULL); \</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="preprocessor"> jstring stack = (jstring) env-&gt;CallStaticObjectMethod(JniUtil::jni_util_class(), \</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="preprocessor"> (JniUtil::throwable_to_stack_trace_id()), exc); \</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="preprocessor"> jboolean is_copy; \</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="preprocessor"> const char* c_stack = \</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="preprocessor"> reinterpret_cast&lt;const char*&gt;((env)-&gt;GetStringUTFChars(stack, &amp;is_copy)); \</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="preprocessor"> (env)-&gt;ExceptionClear(); \</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="preprocessor"> (env)-&gt;ThrowNew((exc_class), c_stack); \</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="preprocessor"> return; \</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="preprocessor"> } while (false)</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="jni-util_8h.html#a0b45e4b859353997f313000176abf822"> 71</a></span>&#160;<span class="preprocessor">#define RETURN_IF_EXC(env) \</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;<span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;<span class="preprocessor"> jthrowable exc = (env)-&gt;ExceptionOccurred(); \</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="preprocessor"> if (exc != NULL) { \</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;<span class="preprocessor"> jstring stack = (jstring) env-&gt;CallStaticObjectMethod(JniUtil::jni_util_class(), \</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;<span class="preprocessor"> (JniUtil::throwable_to_stack_trace_id()), exc); \</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;<span class="preprocessor"> jboolean is_copy; \</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;<span class="preprocessor"> const char* c_stack = \</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="preprocessor"> reinterpret_cast&lt;const char*&gt;((env)-&gt;GetStringUTFChars(stack, &amp;is_copy)); \</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="preprocessor"> VLOG(1) &lt;&lt; string(c_stack); \</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="preprocessor"> return; \</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="preprocessor"> } while (false)</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="jni-util_8h.html#ac6d6cbef676d753f1a2f05a2686e6194"> 85</a></span>&#160;<span class="preprocessor">#define EXIT_IF_EXC(env) \</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;<span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="preprocessor"> jthrowable exc = (env)-&gt;ExceptionOccurred(); \</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;<span class="preprocessor"> if (exc != NULL) { \</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="preprocessor"> jstring stack = (jstring) env-&gt;CallStaticObjectMethod(JniUtil::jni_util_class(), \</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="preprocessor"> (JniUtil::throwable_to_stack_trace_id()), exc); \</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="preprocessor"> jboolean is_copy; \</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="preprocessor"> const char* c_stack = \</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="preprocessor"> reinterpret_cast&lt;const char*&gt;((env)-&gt;GetStringUTFChars(stack, &amp;is_copy)); \</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="preprocessor"> LOG(ERROR) &lt;&lt; string(c_stack); \</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="preprocessor"> exit(1); \</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;<span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="preprocessor"> } while (false)</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7"> 99</a></span>&#160;<span class="preprocessor">#define RETURN_ERROR_IF_EXC(env) \</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="preprocessor"> jthrowable exc = (env)-&gt;ExceptionOccurred(); \</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="preprocessor"> if (exc != NULL) return JniUtil::GetJniExceptionMsg(env);\</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="preprocessor"> } while (false)</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00105"></a><span class="lineno"><a class="line" href="jni-util_8h.html#abee9e150fe8fd025e901b7bbeac19d02"> 105</a></span>&#160;<span class="preprocessor">#define EXIT_IF_JNIERROR(stmt) \</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;<span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="preprocessor"> if ((stmt) != JNI_OK) { \</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<span class="preprocessor"> cerr &lt;&lt; #stmt &lt;&lt; &quot; resulted in a jni error&quot;; \</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160;<span class="preprocessor"> exit(1); \</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;<span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="preprocessor"> } while (false)</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="jni-util_8h.html#a568f858a53f3da2822718133c259ce42"> 113</a></span>&#160;<span class="preprocessor">#define RETURN_IF_JNIERROR(stmt) \</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;<span class="preprocessor"> if ((stmt) != JNI_OK) { \</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;<span class="preprocessor"> stringstream out; \</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;<span class="preprocessor"> out &lt;&lt; #stmt &lt;&lt; &quot; resulted in a jni error&quot;; \</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;<span class="preprocessor"> return Status(out.str()); \</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<span class="preprocessor"> } \</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="preprocessor"> } while (false)</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> { <span class="keyword">extern</span> JNIEnv* <a class="code" href="jni-util_8h.html#a5469ac47d225e5773fe76593a75f29c6">getJNIEnv</a>(<span class="keywordtype">void</span>); }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;<span class="keyword">namespace </span>impala {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;<span class="keyword">class </span>Status;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;</div>
<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classimpala_1_1JniLocalFrame.html"> 133</a></span>&#160;<span class="keyword">class </span><a class="code" href="classimpala_1_1JniLocalFrame.html">JniLocalFrame</a> {</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="classimpala_1_1JniLocalFrame.html#a3c6fc0103b016c858b73cafb51bed4fa"> 135</a></span>&#160; <a class="code" href="classimpala_1_1JniLocalFrame.html#a3c6fc0103b016c858b73cafb51bed4fa">JniLocalFrame</a>(): <a class="code" href="classimpala_1_1JniLocalFrame.html#a11791920b1121dc3f6e2323139aad370">env_</a>(NULL) {}</div>
<div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="classimpala_1_1JniLocalFrame.html#abe5ce44e03b9e1f8ccb25beea88df468"> 136</a></span>&#160; <a class="code" href="classimpala_1_1JniLocalFrame.html#abe5ce44e03b9e1f8ccb25beea88df468">~JniLocalFrame</a>() { <span class="keywordflow">if</span> (<a class="code" href="classimpala_1_1JniLocalFrame.html#a11791920b1121dc3f6e2323139aad370">env_</a> != NULL) <a class="code" href="classimpala_1_1JniLocalFrame.html#a11791920b1121dc3f6e2323139aad370">env_</a>-&gt;PopLocalFrame(NULL); }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniLocalFrame.html#a4d616a1464428c11712685fcdd25aa57">push</a>(JNIEnv* env, <span class="keywordtype">int</span> max_local_ref=10);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="classimpala_1_1JniLocalFrame.html#a11791920b1121dc3f6e2323139aad370"> 145</a></span>&#160; JNIEnv* <a class="code" href="classimpala_1_1JniLocalFrame.html#a11791920b1121dc3f6e2323139aad370">env_</a>;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;};</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;</div>
<div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="structimpala_1_1JniMethodDescriptor.html"> 149</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structimpala_1_1JniMethodDescriptor.html">JniMethodDescriptor</a> {</div>
<div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="structimpala_1_1JniMethodDescriptor.html#a1b23cfb113cd2574dab56b4cdc2e11c2"> 151</a></span>&#160; <span class="keyword">const</span> std::string <a class="code" href="structimpala_1_1JniMethodDescriptor.html#a1b23cfb113cd2574dab56b4cdc2e11c2">name</a>;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;</div>
<div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="structimpala_1_1JniMethodDescriptor.html#ac33201c63d188f0486efb85cae2871bd"> 154</a></span>&#160; <span class="keyword">const</span> std::string <a class="code" href="structimpala_1_1JniMethodDescriptor.html#ac33201c63d188f0486efb85cae2871bd">signature</a>;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="structimpala_1_1JniMethodDescriptor.html#ad218a075fd148f707100b92db60c7e7e"> 157</a></span>&#160; jmethodID* <a class="code" href="structimpala_1_1JniMethodDescriptor.html#ad218a075fd148f707100b92db60c7e7e">method_id</a>;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;};</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;</div>
<div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html"> 174</a></span>&#160;<span class="keyword">class </span><a class="code" href="classimpala_1_1JniUtil.html">JniUtil</a> {</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classimpala_1_1JniUtil.html#a7aa7a7795d503a1d4c346a62a01441a8">InitLibhdfs</a>();</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="keyword">static</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniUtil.html#af206d4f6b71cec230f5eaaec53eec158">Init</a>();</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classimpala_1_1JniUtil.html#a5c2923d58c1bd0a382d134e31cd748c0">ClassExists</a>(JNIEnv* env, <span class="keyword">const</span> <span class="keywordtype">char</span>* class_str);</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keyword">static</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniUtil.html#a2fdf8d5fc6c01982968faec681f792a9">GetGlobalClassRef</a>(JNIEnv* env, <span class="keyword">const</span> <span class="keywordtype">char</span>* class_str, jclass* class_ref);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <span class="keyword">static</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniUtil.html#ac5f0573aba66e777c5b430e743bd2232">LocalToGlobalRef</a>(JNIEnv* env, jobject local_ref, jobject* global_ref);</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160;</div>
<div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#aeb613bc219594eea72ed556efa7d71e3"> 199</a></span>&#160; <span class="keyword">static</span> jmethodID <a class="code" href="classimpala_1_1JniUtil.html#aeb613bc219594eea72ed556efa7d71e3">throwable_to_string_id</a>() { <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1JniUtil.html#aa9feafa1da8b48ae16f1ebf73f666579">throwable_to_string_id_</a>; }</div>
<div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#a44f602e8d4dc0ae16e704091563f2b24"> 200</a></span>&#160; <span class="keyword">static</span> jmethodID <a class="code" href="classimpala_1_1JniUtil.html#a44f602e8d4dc0ae16e704091563f2b24">throwable_to_stack_trace_id</a>() { <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1JniUtil.html#a4b045e7993daf57b11ff45e1c8b04b6b">throwable_to_stack_trace_id_</a>; }</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160;</div>
<div class="line"><a name="l00203"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#a494276ecd72fae6fe053454990abc6ee"> 203</a></span>&#160; <span class="keyword">static</span> jclass <a class="code" href="classimpala_1_1JniUtil.html#a494276ecd72fae6fe053454990abc6ee">jni_util_class</a>() { <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1JniUtil.html#acfb36b1c6752c25395837a2e62e39456">jni_util_cl_</a>; }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;</div>
<div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#a45378cba7fa84e3d004c3d37cd86efc0"> 206</a></span>&#160; <span class="keyword">static</span> jclass <a class="code" href="classimpala_1_1JniUtil.html#a45378cba7fa84e3d004c3d37cd86efc0">internal_exc_class</a>() { <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1JniUtil.html#a032678c6eb62df0745ef6af25778dc93">internal_exc_cl_</a>; }</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="keyword">static</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniUtil.html#a0cbc223e780420cab83967f9ae8d5794">Cleanup</a>();</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="keyword">static</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniUtil.html#a27781f7ed28a291ac2af91a6f37db97a">GetJniExceptionMsg</a>(JNIEnv* env, <span class="keywordtype">bool</span> log_stack = <span class="keyword">true</span>,</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="keyword">const</span> std::string&amp; prefix = <span class="stringliteral">&quot;&quot;</span>);</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keyword">static</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniUtil.html#a5be8e724fa896dd6b7f181393c9d6416">GetJvmMetrics</a>(<span class="keyword">const</span> TGetJvmMetricsRequest&amp; request,</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; TGetJvmMetricsResponse* result);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keyword">static</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniUtil.html#ac86c8bfaa04edbbcc334b5bcbe8ce970">LoadJniMethod</a>(JNIEnv* jni_env, <span class="keyword">const</span> jclass&amp; jni_class,</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <a class="code" href="structimpala_1_1JniMethodDescriptor.html">JniMethodDescriptor</a>* descriptor);</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160;</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00231"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#aeb425975e228b86c10c5c6367dcd11c5"> 231</a></span>&#160; <span class="keyword">static</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniUtil.html#aeb425975e228b86c10c5c6367dcd11c5">CallJniMethod</a>(<span class="keyword">const</span> jobject&amp; obj, <span class="keyword">const</span> jmethodID&amp; method, <span class="keyword">const</span> T&amp; arg) {</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; JNIEnv* jni_env = <a class="code" href="jni-util_8h.html#a5469ac47d225e5773fe76593a75f29c6">getJNIEnv</a>();</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; jbyteArray request_bytes;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <a class="code" href="classimpala_1_1JniLocalFrame.html">JniLocalFrame</a> jni_frame;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(jni_frame.<a class="code" href="classimpala_1_1JniLocalFrame.html#a4d616a1464428c11712685fcdd25aa57">push</a>(jni_env));</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(<a class="code" href="namespaceimpala.html#a1e73352427710c9b529fdfc9a7462db4">SerializeThriftMsg</a>(jni_env, &amp;arg, &amp;request_bytes));</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; jni_env-&gt;CallObjectMethod(obj, method, request_bytes);</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <a class="code" href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7">RETURN_ERROR_IF_EXC</a>(jni_env);</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1Status.html#a580565665ea944eb64f3f495b1bee1e0">Status::OK</a>;</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; }</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160;</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> R&gt;</div>
<div class="line"><a name="l00243"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#a12f40fa1749a6be63ca9a064bc7b9c08"> 243</a></span>&#160; <span class="keyword">static</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniUtil.html#a12f40fa1749a6be63ca9a064bc7b9c08">CallJniMethod</a>(<span class="keyword">const</span> jobject&amp; obj, <span class="keyword">const</span> jmethodID&amp; method, R* response) {</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; JNIEnv* jni_env = <a class="code" href="jni-util_8h.html#a5469ac47d225e5773fe76593a75f29c6">getJNIEnv</a>();</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <a class="code" href="classimpala_1_1JniLocalFrame.html">JniLocalFrame</a> jni_frame;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(jni_frame.<a class="code" href="classimpala_1_1JniLocalFrame.html#a4d616a1464428c11712685fcdd25aa57">push</a>(jni_env));</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; jbyteArray result_bytes = <span class="keyword">static_cast&lt;</span>jbyteArray<span class="keyword">&gt;</span>(</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; jni_env-&gt;CallObjectMethod(obj, method));</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <a class="code" href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7">RETURN_ERROR_IF_EXC</a>(jni_env);</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(<a class="code" href="namespaceimpala.html#ad514256cb7101657a04100d351df52ab">DeserializeThriftMsg</a>(jni_env, result_bytes, response));</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1Status.html#a580565665ea944eb64f3f495b1bee1e0">Status::OK</a>;</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; }</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> R&gt;</div>
<div class="line"><a name="l00255"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#ac695abecc6199078b9ec5825c7017184"> 255</a></span>&#160; <span class="keyword">static</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniUtil.html#ac695abecc6199078b9ec5825c7017184">CallJniMethod</a>(<span class="keyword">const</span> jobject&amp; obj, <span class="keyword">const</span> jmethodID&amp; method,</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; <span class="keyword">const</span> T&amp; arg, R* response) {</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; JNIEnv* jni_env = <a class="code" href="jni-util_8h.html#a5469ac47d225e5773fe76593a75f29c6">getJNIEnv</a>();</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; jbyteArray request_bytes;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <a class="code" href="classimpala_1_1JniLocalFrame.html">JniLocalFrame</a> jni_frame;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(jni_frame.<a class="code" href="classimpala_1_1JniLocalFrame.html#a4d616a1464428c11712685fcdd25aa57">push</a>(jni_env));</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(<a class="code" href="namespaceimpala.html#a1e73352427710c9b529fdfc9a7462db4">SerializeThriftMsg</a>(jni_env, &amp;arg, &amp;request_bytes));</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; jbyteArray result_bytes = <span class="keyword">static_cast&lt;</span>jbyteArray<span class="keyword">&gt;</span>(</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; jni_env-&gt;CallObjectMethod(obj, method, request_bytes));</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <a class="code" href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7">RETURN_ERROR_IF_EXC</a>(jni_env);</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(<a class="code" href="namespaceimpala.html#ad514256cb7101657a04100d351df52ab">DeserializeThriftMsg</a>(jni_env, result_bytes, response));</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1Status.html#a580565665ea944eb64f3f495b1bee1e0">Status::OK</a>;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; }</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00270"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#a79017014b9858795e49e258089b6deb9"> 270</a></span>&#160; <span class="keyword">static</span> <a class="code" href="classimpala_1_1Status.html">Status</a> <a class="code" href="classimpala_1_1JniUtil.html#a79017014b9858795e49e258089b6deb9">CallJniMethod</a>(<span class="keyword">const</span> jobject&amp; obj, <span class="keyword">const</span> jmethodID&amp; method,</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; <span class="keyword">const</span> T&amp; arg, std::string* response) {</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; JNIEnv* jni_env = <a class="code" href="jni-util_8h.html#a5469ac47d225e5773fe76593a75f29c6">getJNIEnv</a>();</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; jbyteArray request_bytes;</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; <a class="code" href="classimpala_1_1JniLocalFrame.html">JniLocalFrame</a> jni_frame;</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(jni_frame.<a class="code" href="classimpala_1_1JniLocalFrame.html#a4d616a1464428c11712685fcdd25aa57">push</a>(jni_env));</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <a class="code" href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a>(<a class="code" href="namespaceimpala.html#a1e73352427710c9b529fdfc9a7462db4">SerializeThriftMsg</a>(jni_env, &amp;arg, &amp;request_bytes));</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; jstring java_response_string = <span class="keyword">static_cast&lt;</span>jstring<span class="keyword">&gt;</span>(</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; jni_env-&gt;CallObjectMethod(obj, method, request_bytes));</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; <a class="code" href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7">RETURN_ERROR_IF_EXC</a>(jni_env);</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; jboolean is_copy;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; <span class="keyword">const</span> <span class="keywordtype">char</span> *str = jni_env-&gt;GetStringUTFChars(java_response_string, &amp;is_copy);</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <a class="code" href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7">RETURN_ERROR_IF_EXC</a>(jni_env);</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; *response = str;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; jni_env-&gt;ReleaseStringUTFChars(java_response_string, str);</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; <a class="code" href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7">RETURN_ERROR_IF_EXC</a>(jni_env);</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classimpala_1_1Status.html#a580565665ea944eb64f3f495b1bee1e0">Status::OK</a>;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; }</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00290"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#acfb36b1c6752c25395837a2e62e39456"> 290</a></span>&#160; <span class="keyword">static</span> jclass <a class="code" href="classimpala_1_1JniUtil.html#acfb36b1c6752c25395837a2e62e39456">jni_util_cl_</a>;</div>
<div class="line"><a name="l00291"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#a032678c6eb62df0745ef6af25778dc93"> 291</a></span>&#160; <span class="keyword">static</span> jclass <a class="code" href="classimpala_1_1JniUtil.html#a032678c6eb62df0745ef6af25778dc93">internal_exc_cl_</a>;</div>
<div class="line"><a name="l00292"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#aa9feafa1da8b48ae16f1ebf73f666579"> 292</a></span>&#160; <span class="keyword">static</span> jmethodID <a class="code" href="classimpala_1_1JniUtil.html#aa9feafa1da8b48ae16f1ebf73f666579">throwable_to_string_id_</a>;</div>
<div class="line"><a name="l00293"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#a4b045e7993daf57b11ff45e1c8b04b6b"> 293</a></span>&#160; <span class="keyword">static</span> jmethodID <a class="code" href="classimpala_1_1JniUtil.html#a4b045e7993daf57b11ff45e1c8b04b6b">throwable_to_stack_trace_id_</a>;</div>
<div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#ad6c062b1de207d28341a2855b446cbdc"> 294</a></span>&#160; <span class="keyword">static</span> jmethodID <a class="code" href="classimpala_1_1JniUtil.html#ad6c062b1de207d28341a2855b446cbdc">get_jvm_metrics_id_</a>;</div>
<div class="line"><a name="l00297"></a><span class="lineno"><a class="line" href="classimpala_1_1JniUtil.html#a65c5fc15a438d15b7d7e673b2d69bc86"> 297</a></span>&#160; <span class="keyword">static</span> std::vector&lt;jobject&gt; <a class="code" href="classimpala_1_1JniUtil.html#a65c5fc15a438d15b7d7e673b2d69bc86">global_refs_</a>;</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160;};</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160;</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160;}</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160;</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="classimpala_1_1JniLocalFrame_html_a3c6fc0103b016c858b73cafb51bed4fa"><div class="ttname"><a href="classimpala_1_1JniLocalFrame.html#a3c6fc0103b016c858b73cafb51bed4fa">impala::JniLocalFrame::JniLocalFrame</a></div><div class="ttdeci">JniLocalFrame()</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00135">jni-util.h:135</a></div></div>
<div class="ttc" id="classimpala_1_1JniLocalFrame_html"><div class="ttname"><a href="classimpala_1_1JniLocalFrame.html">impala::JniLocalFrame</a></div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00133">jni-util.h:133</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_acfb36b1c6752c25395837a2e62e39456"><div class="ttname"><a href="classimpala_1_1JniUtil.html#acfb36b1c6752c25395837a2e62e39456">impala::JniUtil::jni_util_cl_</a></div><div class="ttdeci">static jclass jni_util_cl_</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00290">jni-util.h:290</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a65c5fc15a438d15b7d7e673b2d69bc86"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a65c5fc15a438d15b7d7e673b2d69bc86">impala::JniUtil::global_refs_</a></div><div class="ttdeci">static std::vector&lt; jobject &gt; global_refs_</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00297">jni-util.h:297</a></div></div>
<div class="ttc" id="structimpala_1_1JniMethodDescriptor_html_ac33201c63d188f0486efb85cae2871bd"><div class="ttname"><a href="structimpala_1_1JniMethodDescriptor.html#ac33201c63d188f0486efb85cae2871bd">impala::JniMethodDescriptor::signature</a></div><div class="ttdeci">const std::string signature</div><div class="ttdoc">JNI-style method signature. </div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00154">jni-util.h:154</a></div></div>
<div class="ttc" id="status_8h_html_a85f7d0e774e15eb35b74f53264305e16"><div class="ttname"><a href="status_8h.html#a85f7d0e774e15eb35b74f53264305e16">RETURN_IF_ERROR</a></div><div class="ttdeci">#define RETURN_IF_ERROR(stmt)</div><div class="ttdoc">some generally useful macros </div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00242">status.h:242</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_ac86c8bfaa04edbbcc334b5bcbe8ce970"><div class="ttname"><a href="classimpala_1_1JniUtil.html#ac86c8bfaa04edbbcc334b5bcbe8ce970">impala::JniUtil::LoadJniMethod</a></div><div class="ttdeci">static Status LoadJniMethod(JNIEnv *jni_env, const jclass &amp;jni_class, JniMethodDescriptor *descriptor)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8cc_source.html#l00193">jni-util.cc:193</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a45378cba7fa84e3d004c3d37cd86efc0"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a45378cba7fa84e3d004c3d37cd86efc0">impala::JniUtil::internal_exc_class</a></div><div class="ttdeci">static jclass internal_exc_class()</div><div class="ttdoc">Global reference to InternalException class. </div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00206">jni-util.h:206</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a44f602e8d4dc0ae16e704091563f2b24"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a44f602e8d4dc0ae16e704091563f2b24">impala::JniUtil::throwable_to_stack_trace_id</a></div><div class="ttdeci">static jmethodID throwable_to_stack_trace_id()</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00200">jni-util.h:200</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_af206d4f6b71cec230f5eaaec53eec158"><div class="ttname"><a href="classimpala_1_1JniUtil.html#af206d4f6b71cec230f5eaaec53eec158">impala::JniUtil::Init</a></div><div class="ttdeci">static Status Init()</div><div class="ttdoc">Find JniUtil class, and get JniUtil.throwableToString method id. </div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8cc_source.html#l00074">jni-util.cc:74</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a12f40fa1749a6be63ca9a064bc7b9c08"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a12f40fa1749a6be63ca9a064bc7b9c08">impala::JniUtil::CallJniMethod</a></div><div class="ttdeci">static Status CallJniMethod(const jobject &amp;obj, const jmethodID &amp;method, R *response)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00243">jni-util.h:243</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a0cbc223e780420cab83967f9ae8d5794"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a0cbc223e780420cab83967f9ae8d5794">impala::JniUtil::Cleanup</a></div><div class="ttdeci">static Status Cleanup()</div><div class="ttdoc">Delete all global references: class members, and those stored in global_refs_. </div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8cc_source.html#l00147">jni-util.cc:147</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a4b045e7993daf57b11ff45e1c8b04b6b"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a4b045e7993daf57b11ff45e1c8b04b6b">impala::JniUtil::throwable_to_stack_trace_id_</a></div><div class="ttdeci">static jmethodID throwable_to_stack_trace_id_</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00293">jni-util.h:293</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_ac5f0573aba66e777c5b430e743bd2232"><div class="ttname"><a href="classimpala_1_1JniUtil.html#ac5f0573aba66e777c5b430e743bd2232">impala::JniUtil::LocalToGlobalRef</a></div><div class="ttdeci">static Status LocalToGlobalRef(JNIEnv *env, jobject local_ref, jobject *global_ref)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8cc_source.html#l00067">jni-util.cc:67</a></div></div>
<div class="ttc" id="classimpala_1_1Status_html"><div class="ttname"><a href="classimpala_1_1Status.html">impala::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00081">status.h:81</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a7aa7a7795d503a1d4c346a62a01441a8"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a7aa7a7795d503a1d4c346a62a01441a8">impala::JniUtil::InitLibhdfs</a></div><div class="ttdeci">static void InitLibhdfs()</div><div class="ttdoc">Call this prior to any libhdfs calls. </div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8cc_source.html#l00140">jni-util.cc:140</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a79017014b9858795e49e258089b6deb9"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a79017014b9858795e49e258089b6deb9">impala::JniUtil::CallJniMethod</a></div><div class="ttdeci">static Status CallJniMethod(const jobject &amp;obj, const jmethodID &amp;method, const T &amp;arg, std::string *response)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00270">jni-util.h:270</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_ad6c062b1de207d28341a2855b446cbdc"><div class="ttname"><a href="classimpala_1_1JniUtil.html#ad6c062b1de207d28341a2855b446cbdc">impala::JniUtil::get_jvm_metrics_id_</a></div><div class="ttdeci">static jmethodID get_jvm_metrics_id_</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00294">jni-util.h:294</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a27781f7ed28a291ac2af91a6f37db97a"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a27781f7ed28a291ac2af91a6f37db97a">impala::JniUtil::GetJniExceptionMsg</a></div><div class="ttdeci">static Status GetJniExceptionMsg(JNIEnv *env, bool log_stack=true, const std::string &amp;prefix=&quot;&quot;)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8cc_source.html#l00161">jni-util.cc:161</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html"><div class="ttname"><a href="classimpala_1_1JniUtil.html">impala::JniUtil</a></div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00174">jni-util.h:174</a></div></div>
<div class="ttc" id="classimpala_1_1JniLocalFrame_html_a11791920b1121dc3f6e2323139aad370"><div class="ttname"><a href="classimpala_1_1JniLocalFrame.html#a11791920b1121dc3f6e2323139aad370">impala::JniLocalFrame::env_</a></div><div class="ttdeci">JNIEnv * env_</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00145">jni-util.h:145</a></div></div>
<div class="ttc" id="classimpala_1_1JniLocalFrame_html_a4d616a1464428c11712685fcdd25aa57"><div class="ttname"><a href="classimpala_1_1JniLocalFrame.html#a4d616a1464428c11712685fcdd25aa57">impala::JniLocalFrame::push</a></div><div class="ttdeci">Status push(JNIEnv *env, int max_local_ref=10)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8cc_source.html#l00034">jni-util.cc:34</a></div></div>
<div class="ttc" id="structimpala_1_1JniMethodDescriptor_html"><div class="ttname"><a href="structimpala_1_1JniMethodDescriptor.html">impala::JniMethodDescriptor</a></div><div class="ttdoc">Describes one method to look up in a Java object. </div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00149">jni-util.h:149</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_ac695abecc6199078b9ec5825c7017184"><div class="ttname"><a href="classimpala_1_1JniUtil.html#ac695abecc6199078b9ec5825c7017184">impala::JniUtil::CallJniMethod</a></div><div class="ttdeci">static Status CallJniMethod(const jobject &amp;obj, const jmethodID &amp;method, const T &amp;arg, R *response)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00255">jni-util.h:255</a></div></div>
<div class="ttc" id="structimpala_1_1JniMethodDescriptor_html_a1b23cfb113cd2574dab56b4cdc2e11c2"><div class="ttname"><a href="structimpala_1_1JniMethodDescriptor.html#a1b23cfb113cd2574dab56b4cdc2e11c2">impala::JniMethodDescriptor::name</a></div><div class="ttdeci">const std::string name</div><div class="ttdoc">Name of the method, case must match. </div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00151">jni-util.h:151</a></div></div>
<div class="ttc" id="jni-util_8h_html_a2070c5a22a08170e919312a008ce0ce7"><div class="ttname"><a href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7">RETURN_ERROR_IF_EXC</a></div><div class="ttdeci">#define RETURN_ERROR_IF_EXC(env)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00099">jni-util.h:99</a></div></div>
<div class="ttc" id="classimpala_1_1JniLocalFrame_html_abe5ce44e03b9e1f8ccb25beea88df468"><div class="ttname"><a href="classimpala_1_1JniLocalFrame.html#abe5ce44e03b9e1f8ccb25beea88df468">impala::JniLocalFrame::~JniLocalFrame</a></div><div class="ttdeci">~JniLocalFrame()</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00136">jni-util.h:136</a></div></div>
<div class="ttc" id="status_8h_html"><div class="ttname"><a href="status_8h.html">status.h</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a494276ecd72fae6fe053454990abc6ee"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a494276ecd72fae6fe053454990abc6ee">impala::JniUtil::jni_util_class</a></div><div class="ttdeci">static jclass jni_util_class()</div><div class="ttdoc">Global reference to java JniUtil class. </div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00203">jni-util.h:203</a></div></div>
<div class="ttc" id="classimpala_1_1Status_html_a580565665ea944eb64f3f495b1bee1e0"><div class="ttname"><a href="classimpala_1_1Status.html#a580565665ea944eb64f3f495b1bee1e0">impala::Status::OK</a></div><div class="ttdeci">static const Status OK</div><div class="ttdef"><b>Definition:</b> <a href="status_8h_source.html#l00087">status.h:87</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a5c2923d58c1bd0a382d134e31cd748c0"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a5c2923d58c1bd0a382d134e31cd748c0">impala::JniUtil::ClassExists</a></div><div class="ttdeci">static bool ClassExists(JNIEnv *env, const char *class_str)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8cc_source.html#l00045">jni-util.cc:45</a></div></div>
<div class="ttc" id="structimpala_1_1JniMethodDescriptor_html_ad218a075fd148f707100b92db60c7e7e"><div class="ttname"><a href="structimpala_1_1JniMethodDescriptor.html#ad218a075fd148f707100b92db60c7e7e">impala::JniMethodDescriptor::method_id</a></div><div class="ttdeci">jmethodID * method_id</div><div class="ttdoc">Handle to the method. </div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00157">jni-util.h:157</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a2fdf8d5fc6c01982968faec681f792a9"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a2fdf8d5fc6c01982968faec681f792a9">impala::JniUtil::GetGlobalClassRef</a></div><div class="ttdeci">static Status GetGlobalClassRef(JNIEnv *env, const char *class_str, jclass *class_ref)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8cc_source.html#l00056">jni-util.cc:56</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a032678c6eb62df0745ef6af25778dc93"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a032678c6eb62df0745ef6af25778dc93">impala::JniUtil::internal_exc_cl_</a></div><div class="ttdeci">static jclass internal_exc_cl_</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00291">jni-util.h:291</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_aeb613bc219594eea72ed556efa7d71e3"><div class="ttname"><a href="classimpala_1_1JniUtil.html#aeb613bc219594eea72ed556efa7d71e3">impala::JniUtil::throwable_to_string_id</a></div><div class="ttdeci">static jmethodID throwable_to_string_id()</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00199">jni-util.h:199</a></div></div>
<div class="ttc" id="namespaceimpala_html_ad514256cb7101657a04100d351df52ab"><div class="ttname"><a href="namespaceimpala.html#ad514256cb7101657a04100d351df52ab">impala::DeserializeThriftMsg</a></div><div class="ttdeci">Status DeserializeThriftMsg(JNIEnv *env, jbyteArray serialized_msg, T *deserialized_msg)</div><div class="ttdef"><b>Definition:</b> <a href="jni-thrift-util_8h_source.html#l00045">jni-thrift-util.h:45</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_a5be8e724fa896dd6b7f181393c9d6416"><div class="ttname"><a href="classimpala_1_1JniUtil.html#a5be8e724fa896dd6b7f181393c9d6416">impala::JniUtil::GetJvmMetrics</a></div><div class="ttdeci">static Status GetJvmMetrics(const TGetJvmMetricsRequest &amp;request, TGetJvmMetricsResponse *result)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8cc_source.html#l00188">jni-util.cc:188</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_aeb425975e228b86c10c5c6367dcd11c5"><div class="ttname"><a href="classimpala_1_1JniUtil.html#aeb425975e228b86c10c5c6367dcd11c5">impala::JniUtil::CallJniMethod</a></div><div class="ttdeci">static Status CallJniMethod(const jobject &amp;obj, const jmethodID &amp;method, const T &amp;arg)</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00231">jni-util.h:231</a></div></div>
<div class="ttc" id="namespaceimpala_html_a1e73352427710c9b529fdfc9a7462db4"><div class="ttname"><a href="namespaceimpala.html#a1e73352427710c9b529fdfc9a7462db4">impala::SerializeThriftMsg</a></div><div class="ttdeci">Status SerializeThriftMsg(JNIEnv *env, T *msg, jbyteArray *serialized_msg)</div><div class="ttdef"><b>Definition:</b> <a href="jni-thrift-util_8h_source.html#l00027">jni-thrift-util.h:27</a></div></div>
<div class="ttc" id="classimpala_1_1JniUtil_html_aa9feafa1da8b48ae16f1ebf73f666579"><div class="ttname"><a href="classimpala_1_1JniUtil.html#aa9feafa1da8b48ae16f1ebf73f666579">impala::JniUtil::throwable_to_string_id_</a></div><div class="ttdeci">static jmethodID throwable_to_string_id_</div><div class="ttdef"><b>Definition:</b> <a href="jni-util_8h_source.html#l00292">jni-util.h:292</a></div></div>
<div class="ttc" id="jni-util_8h_html_a5469ac47d225e5773fe76593a75f29c6"><div class="ttname"><a href="jni-util_8h.html#a5469ac47d225e5773fe76593a75f29c6">getJNIEnv</a></div><div class="ttdeci">JNIEnv * getJNIEnv(void)</div><div class="ttdoc">C linkage for helper functions in hdfsJniHelper.h. </div></div>
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