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| <p><code>#include <<a class="el" href="jni-util_8h_source.html">jni-util.h</a>></code></p> |
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| <tr class="memitem:a3c6fc0103b016c858b73cafb51bed4fa"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1JniLocalFrame.html#a3c6fc0103b016c858b73cafb51bed4fa">JniLocalFrame</a> ()</td></tr> |
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| <tr class="memitem:abe5ce44e03b9e1f8ccb25beea88df468"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1JniLocalFrame.html#abe5ce44e03b9e1f8ccb25beea88df468">~JniLocalFrame</a> ()</td></tr> |
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| <tr class="memitem:a4d616a1464428c11712685fcdd25aa57"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classimpala_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1JniLocalFrame.html#a4d616a1464428c11712685fcdd25aa57">push</a> (JNIEnv *env, int max_local_ref=10)</td></tr> |
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| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-attribs"></a> |
| Private Attributes</h2></td></tr> |
| <tr class="memitem:a11791920b1121dc3f6e2323139aad370"><td class="memItemLeft" align="right" valign="top">JNIEnv * </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1JniLocalFrame.html#a11791920b1121dc3f6e2323139aad370">env_</a></td></tr> |
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| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Utility class to push/pop a single JNI frame. "push" will push a JNI frame and the d'tor will pop the JNI frame. Frames establish a scope for local references. Local references go out of scope when their frame is popped, which enables the GC to clean up the corresponding objects. </p> |
| |
| <p>Definition at line <a class="el" href="jni-util_8h_source.html#l00133">133</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p> |
| </div><h2 class="groupheader">Constructor & Destructor Documentation</h2> |
| <a class="anchor" id="a3c6fc0103b016c858b73cafb51bed4fa"></a> |
| <div class="memitem"> |
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| <td class="memname">impala::JniLocalFrame::JniLocalFrame </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="jni-util_8h_source.html#l00135">135</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="abe5ce44e03b9e1f8ccb25beea88df468"></a> |
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| <td class="memname">impala::JniLocalFrame::~JniLocalFrame </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
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| <span class="mlabels"><span class="mlabel">inline</span></span> </td> |
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| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="jni-util_8h_source.html#l00136">136</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p> |
| |
| <p>References <a class="el" href="jni-util_8h_source.html#l00145">env_</a>.</p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Member Function Documentation</h2> |
| <a class="anchor" id="a4d616a1464428c11712685fcdd25aa57"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="classimpala_1_1Status.html">Status</a> impala::JniLocalFrame::push </td> |
| <td>(</td> |
| <td class="paramtype">JNIEnv * </td> |
| <td class="paramname"><em>env</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>max_local_ref</em> = <code>10</code> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Pushes a new JNI local frame. The frame can support max_local_ref local references. The number of local references created inside the frame might exceed max_local_ref, but there is no guarantee that memory will be available. Push should be called at most once. </p> |
| |
| <p>Definition at line <a class="el" href="jni-util_8cc_source.html#l00034">34</a> of file <a class="el" href="jni-util_8cc_source.html">jni-util.cc</a>.</p> |
| |
| <p>References <a class="el" href="jni-util_8h_source.html#l00145">env_</a>, and <a class="el" href="status_8h_source.html#l00087">impala::Status::OK</a>.</p> |
| |
| <p>Referenced by <a class="el" href="external-data-source-executor_8cc_source.html#l00086">CallJniMethod()</a>, <a class="el" href="jni-util_8h_source.html#l00231">impala::JniUtil::CallJniMethod()</a>, <a class="el" href="expr-benchmark_8cc_source.html#l00056">Planner::GeneratePlan()</a>, <a class="el" href="catalog_8cc_source.html#l00087">impala::Catalog::GetAllCatalogObjects()</a>, <a class="el" href="catalog_8cc_source.html#l00079">impala::Catalog::GetCatalogVersion()</a>, <a class="el" href="hbase-table-scanner_8cc_source.html#l00641">impala::HBaseTableScanner::GetCurrentValue()</a>, <a class="el" href="hbase-table-scanner_8cc_source.html#l00406">impala::HBaseTableScanner::HandleResultScannerTimeout()</a>, <a class="el" href="hbase-table_8cc_source.html#l00068">impala::HBaseTable::Init()</a>, <a class="el" href="external-data-source-executor_8cc_source.html#l00035">impala::ExternalDataSourceExecutor::Init()</a>, <a class="el" href="hbase-table-scanner_8cc_source.html#l00435">impala::HBaseTableScanner::InitScanRange()</a>, <a class="el" href="fe-support_8cc_source.html#l00072">Java_com_cloudera_impala_service_FeSupport_NativeEvalConstExprs()</a>, <a class="el" href="hbase-table-scanner_8cc_source.html#l00501">impala::HBaseTableScanner::Next()</a>, <a class="el" href="hive-udf-call_8cc_source.html#l00176">impala::HiveUdfCall::Open()</a>, <a class="el" href="hbase-table-scanner_8cc_source.html#l00290">impala::HBaseTableScanner::ScanSetup()</a>, <a class="el" href="frontend_8cc_source.html#l00228">impala::Frontend::SetCatalogInitialized()</a>, and <a class="el" href="frontend_8cc_source.html#l00183">impala::Frontend::ValidateSettings()</a>.</p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Member Data Documentation</h2> |
| <a class="anchor" id="a11791920b1121dc3f6e2323139aad370"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">JNIEnv* impala::JniLocalFrame::env_</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">private</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="jni-util_8h_source.html#l00145">145</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p> |
| |
| <p>Referenced by <a class="el" href="jni-util_8cc_source.html#l00034">push()</a>, and <a class="el" href="jni-util_8h_source.html#l00136">~JniLocalFrame()</a>.</p> |
| |
| </div> |
| </div> |
| <hr/>The documentation for this class was generated from the following files:<ul> |
| <li>be/src/util/<a class="el" href="jni-util_8h_source.html">jni-util.h</a></li> |
| <li>be/src/util/<a class="el" href="jni-util_8cc_source.html">jni-util.cc</a></li> |
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| <li class="navelem"><a class="el" href="namespaceimpala.html">impala</a></li><li class="navelem"><a class="el" href="classimpala_1_1JniLocalFrame.html">JniLocalFrame</a></li> |
| <li class="footer">Generated on Thu May 7 2015 16:10:50 for Impala by |
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