docs/dev/java/reference/org/apache/arrow/vector/NullCheckingForGet.html - arrow-site - Git at Google

 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <!-- NewPage -->
 <html lang="en">
 <head>
 <!-- Generated by javadoc -->
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <title>NullCheckingForGet (Apache Arrow Java Root POM 17.0.0-SNAPSHOT API)</title>
 <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
 <script type="text/javascript" src="../../../../script.js"></script>
 </head>
 <body>
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
             parent.document.title="NullCheckingForGet (Apache Arrow Java Root POM 17.0.0-SNAPSHOT API)";
         }
     }
     catch(err) {
     }
 //-->
 </script>
 <noscript>
 <div>JavaScript is disabled on your browser.</div>
 </noscript>
 <!-- ========= START OF TOP NAVBAR ======= -->
 <div class="topNav"><a name="navbar.top">
 <!--   -->
 </a>
 <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
 <a name="navbar.top.firstrow">
 <!--   -->
 </a>
 <ul class="navList" title="Navigation">
 <li><a href="../../../../overview-summary.html">Overview</a></li>
 <li><a href="package-summary.html">Package</a></li>
 <li class="navBarCell1Rev">Class</li>
 <li><a href="class-use/NullCheckingForGet.html">Use</a></li>
 <li><a href="package-tree.html">Tree</a></li>
 <li><a href="../../../../deprecated-list.html">Deprecated</a></li>
 <li><a href="../../../../index-all.html">Index</a></li>
 <li><a href="../../../../help-doc.html">Help</a></li>
 </ul>
 </div>
 <div class="subNav">
 <ul class="navList">
 <li><a href="../../../../org/apache/arrow/vector/LargeVarCharVector.html" title="class in org.apache.arrow.vector"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
 <li><a href="../../../../org/apache/arrow/vector/NullVector.html" title="class in org.apache.arrow.vector"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
 </ul>
 <ul class="navList">
 <li><a href="../../../../index.html?org/apache/arrow/vector/NullCheckingForGet.html" target="_top">Frames</a></li>
 <li><a href="NullCheckingForGet.html" target="_top">No&nbsp;Frames</a></li>
 </ul>
 <ul class="navList" id="allclasses_navbar_top">
 <li><a href="../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
 </ul>
 <div>
 <script type="text/javascript"><!--
   allClassesLink = document.getElementById("allclasses_navbar_top");
   if(window==top) {
     allClassesLink.style.display = "block";
   }
   else {
     allClassesLink.style.display = "none";
   }
   //-->
 </script>
 </div>
 <div>
 <ul class="subNavList">
 <li>Summary:&nbsp;</li>
 <li>Nested&nbsp;|&nbsp;</li>
 <li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>
 <li>Constr&nbsp;|&nbsp;</li>
 <li><a href="#methods.inherited.from.class.java.lang.Object">Method</a></li>
 </ul>
 <ul class="subNavList">
 <li>Detail:&nbsp;</li>
 <li><a href="#field.detail">Field</a>&nbsp;|&nbsp;</li>
 <li>Constr&nbsp;|&nbsp;</li>
 <li>Method</li>
 </ul>
 </div>
 <a name="skip.navbar.top">
 <!--   -->
 </a></div>
 <!-- ========= END OF TOP NAVBAR ========= -->
 <!-- ======== START OF CLASS DATA ======== -->
 <div class="header">
 <div class="subTitle">org.apache.arrow.vector</div>
 <h2 title="Class NullCheckingForGet" class="title">Class NullCheckingForGet</h2>
 </div>
 <div class="contentContainer">
 <ul class="inheritance">
 <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
 <li>
 <ul class="inheritance">
 <li>org.apache.arrow.vector.NullCheckingForGet</li>
 </ul>
 </li>
 </ul>
 <div class="description">
 <ul class="blockList">
 <li class="blockList">
 <hr>
 <br>
 <pre>public class <span class="typeNameLabel">NullCheckingForGet</span>
 extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
 <div class="block">Configuration class to determine if null checking should be enabled or disabled for the "get" methods.
  For example, the get method of class org.apache.arrow.vector.Float8Vector first checks if the value
  at the given index is null, before retrieving the value. This configuration will turn on and off such checks.

  <p>Null checking is on by default. You can disable it by setting either the system property or the
  environmental variable to "false". The system property is named "arrow.enable_null_check_for_get" and
  the environmental variable is named "ARROW_ENABLE_NULL_CHECK_FOR_GET".
  When both the system property and the environmental variable are set, the system property takes precedence.
  </p>
  <p>
  Disabling null-checking in the "get" methods may lead to performance improvements.
  For example, suppose we have the following micro-benchmark:
  </p>
  <p>
  <pre><code>

    Float8Vector vector = ...

    public void test() {
      sum = 0;
      for (int i = 0; i &lt; 1024; i++) {
        vector.set(i, i + 10.0);
        safeSum += vector.get(i);
      }
    }

  </code></pre>
  </p>
  <p>
  Performance evaluations of the micro-benchmark with the JMH framework reveal that, disabling null checking
  has the following effects:
  1. The amounts of byte code and assembly code generated by JIT are both smaller.
  2. The performance improves by about 30% (2.819 ± 0.005  us/op vs. 4.069 ± 0.004  us/op).
  </p>
  <p>
  Therefore, for scenarios where the user can be sure that the null-checking is unnecessary,
  it is beneficial to disable it with this configuration.
  </p></div>
 </li>
 </ul>
 </div>
 <div class="summary">
 <ul class="blockList">
 <li class="blockList">
 <!-- =========== FIELD SUMMARY =========== -->
 <ul class="blockList">
 <li class="blockList"><a name="field.summary">
 <!--   -->
 </a>
 <h3>Field Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
 <caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Field and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/NullCheckingForGet.html#NULL_CHECKING_ENABLED">NULL_CHECKING_ENABLED</a></span></code>
 <div class="block">The flag to indicate if null checking is enabled for "get" methods.</div>
 </td>
 </tr>
 </table>
 </li>
 </ul>
 <!-- ========== METHOD SUMMARY =========== -->
 <ul class="blockList">
 <li class="blockList"><a name="method.summary">
 <!--   -->
 </a>
 <h3>Method Summary</h3>
 <ul class="blockList">
 <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
 <!--   -->
 </a>
 <h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
 <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
 </ul>
 </li>
 </ul>
 </li>
 </ul>
 </div>
 <div class="details">
 <ul class="blockList">
 <li class="blockList">
 <!-- ============ FIELD DETAIL =========== -->
 <ul class="blockList">
 <li class="blockList"><a name="field.detail">
 <!--   -->
 </a>
 <h3>Field Detail</h3>
 <a name="NULL_CHECKING_ENABLED">
 <!--   -->
 </a>
 <ul class="blockListLast">
 <li class="blockList">
 <h4>NULL_CHECKING_ENABLED</h4>
 <pre>public static final&nbsp;boolean NULL_CHECKING_ENABLED</pre>
 <div class="block">The flag to indicate if null checking is enabled for "get" methods.</div>
 </li>
 </ul>
 </li>
 </ul>
 </li>
 </ul>
 </div>
 </div>
 <!-- ========= END OF CLASS DATA ========= -->
 <!-- ======= START OF BOTTOM NAVBAR ====== -->
 <div class="bottomNav"><a name="navbar.bottom">
 <!--   -->
 </a>
 <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
 <a name="navbar.bottom.firstrow">
 <!--   -->
 </a>
 <ul class="navList" title="Navigation">
 <li><a href="../../../../overview-summary.html">Overview</a></li>
 <li><a href="package-summary.html">Package</a></li>
 <li class="navBarCell1Rev">Class</li>
 <li><a href="class-use/NullCheckingForGet.html">Use</a></li>
 <li><a href="package-tree.html">Tree</a></li>
 <li><a href="../../../../deprecated-list.html">Deprecated</a></li>
 <li><a href="../../../../index-all.html">Index</a></li>
 <li><a href="../../../../help-doc.html">Help</a></li>
 </ul>
 </div>
 <div class="subNav">
 <ul class="navList">
 <li><a href="../../../../org/apache/arrow/vector/LargeVarCharVector.html" title="class in org.apache.arrow.vector"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
 <li><a href="../../../../org/apache/arrow/vector/NullVector.html" title="class in org.apache.arrow.vector"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
 </ul>
 <ul class="navList">
 <li><a href="../../../../index.html?org/apache/arrow/vector/NullCheckingForGet.html" target="_top">Frames</a></li>
 <li><a href="NullCheckingForGet.html" target="_top">No&nbsp;Frames</a></li>
 </ul>
 <ul class="navList" id="allclasses_navbar_bottom">
 <li><a href="../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
 </ul>
 <div>
 <script type="text/javascript"><!--
   allClassesLink = document.getElementById("allclasses_navbar_bottom");
   if(window==top) {
     allClassesLink.style.display = "block";
   }
   else {
     allClassesLink.style.display = "none";
   }
   //-->
 </script>
 </div>
 <div>
 <ul class="subNavList">
 <li>Summary:&nbsp;</li>
 <li>Nested&nbsp;|&nbsp;</li>
 <li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>
 <li>Constr&nbsp;|&nbsp;</li>
 <li><a href="#methods.inherited.from.class.java.lang.Object">Method</a></li>
 </ul>
 <ul class="subNavList">
 <li>Detail:&nbsp;</li>
 <li><a href="#field.detail">Field</a>&nbsp;|&nbsp;</li>
 <li>Constr&nbsp;|&nbsp;</li>
 <li>Method</li>
 </ul>
 </div>
 <a name="skip.navbar.bottom">
 <!--   -->
 </a></div>
 <!-- ======== END OF BOTTOM NAVBAR ======= -->
 <p class="legalCopy"><small>Copyright &#169; 2023 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
 </body>
 </html>
	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
	<!-- NewPage -->
	<html lang="en">
	<head>
	<!-- Generated by javadoc -->
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<title>NullCheckingForGet (Apache Arrow Java Root POM 17.0.0-SNAPSHOT API)</title>
	<link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
	<script type="text/javascript" src="../../../../script.js"></script>
	</head>
	<body>
	<script type="text/javascript"><!--
	try {
	if (location.href.indexOf('is-external=true') == -1) {
	parent.document.title="NullCheckingForGet (Apache Arrow Java Root POM 17.0.0-SNAPSHOT API)";
	}
	}
	catch(err) {
	}
	//-->
	</script>
	<noscript>
	<div>JavaScript is disabled on your browser.</div>
	</noscript>
	<!-- ========= START OF TOP NAVBAR ======= -->
	<div class="topNav"><a name="navbar.top">
	<!-- -->
	</a>
	<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
	<a name="navbar.top.firstrow">
	<!-- -->
	</a>
	<ul class="navList" title="Navigation">
	<li><a href="../../../../overview-summary.html">Overview</a></li>
	<li><a href="package-summary.html">Package</a></li>
	<li class="navBarCell1Rev">Class</li>
	<li><a href="class-use/NullCheckingForGet.html">Use</a></li>
	<li><a href="package-tree.html">Tree</a></li>
	<li><a href="../../../../deprecated-list.html">Deprecated</a></li>
	<li><a href="../../../../index-all.html">Index</a></li>
	<li><a href="../../../../help-doc.html">Help</a></li>
	</ul>
	</div>
	<div class="subNav">
	<ul class="navList">
	<li><a href="../../../../org/apache/arrow/vector/LargeVarCharVector.html" title="class in org.apache.arrow.vector"><span class="typeNameLink">Prev Class</span></a></li>
	<li><a href="../../../../org/apache/arrow/vector/NullVector.html" title="class in org.apache.arrow.vector"><span class="typeNameLink">Next Class</span></a></li>
	</ul>
	<ul class="navList">
	<li><a href="../../../../index.html?org/apache/arrow/vector/NullCheckingForGet.html" target="_top">Frames</a></li>
	<li><a href="NullCheckingForGet.html" target="_top">No Frames</a></li>
	</ul>
	<ul class="navList" id="allclasses_navbar_top">
	<li><a href="../../../../allclasses-noframe.html">All Classes</a></li>
	</ul>
	<div>
	<script type="text/javascript"><!--
	allClassesLink = document.getElementById("allclasses_navbar_top");
	if(window==top) {
	allClassesLink.style.display = "block";
	}
	else {
	allClassesLink.style.display = "none";
	}
	//-->
	</script>
	</div>
	<div>
	<ul class="subNavList">
	<li>Summary: </li>
	<li>Nested \| </li>
	<li><a href="#field.summary">Field</a> \| </li>
	<li>Constr \| </li>
	<li><a href="#methods.inherited.from.class.java.lang.Object">Method</a></li>
	</ul>
	<ul class="subNavList">
	<li>Detail: </li>
	<li><a href="#field.detail">Field</a> \| </li>
	<li>Constr \| </li>
	<li>Method</li>
	</ul>
	</div>
	<a name="skip.navbar.top">
	<!-- -->
	</a></div>
	<!-- ========= END OF TOP NAVBAR ========= -->
	<!-- ======== START OF CLASS DATA ======== -->
	<div class="header">
	<div class="subTitle">org.apache.arrow.vector</div>
	<h2 title="Class NullCheckingForGet" class="title">Class NullCheckingForGet</h2>
	</div>
	<div class="contentContainer">
	<ul class="inheritance">
	<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
	<li>
	<ul class="inheritance">
	<li>org.apache.arrow.vector.NullCheckingForGet</li>
	</ul>
	</li>
	</ul>
	<div class="description">
	<ul class="blockList">
	<li class="blockList">
	<hr>
	<br>
	<pre>public class <span class="typeNameLabel">NullCheckingForGet</span>
	extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
	<div class="block">Configuration class to determine if null checking should be enabled or disabled for the "get" methods.
	For example, the get method of class org.apache.arrow.vector.Float8Vector first checks if the value
	at the given index is null, before retrieving the value. This configuration will turn on and off such checks.

	<p>Null checking is on by default. You can disable it by setting either the system property or the
	environmental variable to "false". The system property is named "arrow.enable_null_check_for_get" and
	the environmental variable is named "ARROW_ENABLE_NULL_CHECK_FOR_GET".
	When both the system property and the environmental variable are set, the system property takes precedence.
	</p>
	<p>
	Disabling null-checking in the "get" methods may lead to performance improvements.
	For example, suppose we have the following micro-benchmark:
	</p>
	<p>
	<pre><code>

	Float8Vector vector = ...

	public void test() {
	sum = 0;
	for (int i = 0; i < 1024; i++) {
	vector.set(i, i + 10.0);
	safeSum += vector.get(i);
	}
	}

	</code></pre>
	</p>
	<p>
	Performance evaluations of the micro-benchmark with the JMH framework reveal that, disabling null checking
	has the following effects:
	1. The amounts of byte code and assembly code generated by JIT are both smaller.
	2. The performance improves by about 30% (2.819 ± 0.005 us/op vs. 4.069 ± 0.004 us/op).
	</p>
	<p>
	Therefore, for scenarios where the user can be sure that the null-checking is unnecessary,
	it is beneficial to disable it with this configuration.
	</p></div>
	</li>
	</ul>
	</div>
	<div class="summary">
	<ul class="blockList">
	<li class="blockList">
	<!-- =========== FIELD SUMMARY =========== -->
	<ul class="blockList">
	<li class="blockList"><a name="field.summary">
	<!-- -->
	</a>
	<h3>Field Summary</h3>
	<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
	<caption><span>Fields</span><span class="tabEnd"> </span></caption>
	<tr>
	<th class="colFirst" scope="col">Modifier and Type</th>
	<th class="colLast" scope="col">Field and Description</th>
	</tr>
	<tr class="altColor">
	<td class="colFirst"><code>static boolean</code></td>
	<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/arrow/vector/NullCheckingForGet.html#NULL_CHECKING_ENABLED">NULL_CHECKING_ENABLED</a></span></code>
	<div class="block">The flag to indicate if null checking is enabled for "get" methods.</div>
	</td>
	</tr>
	</table>
	</li>
	</ul>
	<!-- ========== METHOD SUMMARY =========== -->
	<ul class="blockList">
	<li class="blockList"><a name="method.summary">
	<!-- -->
	</a>
	<h3>Method Summary</h3>
	<ul class="blockList">
	<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
	<!-- -->
	</a>
	<h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
	<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
	</ul>
	</li>
	</ul>
	</li>
	</ul>
	</div>
	<div class="details">
	<ul class="blockList">
	<li class="blockList">
	<!-- ============ FIELD DETAIL =========== -->
	<ul class="blockList">
	<li class="blockList"><a name="field.detail">
	<!-- -->
	</a>
	<h3>Field Detail</h3>
	<a name="NULL_CHECKING_ENABLED">
	<!-- -->
	</a>
	<ul class="blockListLast">
	<li class="blockList">
	<h4>NULL_CHECKING_ENABLED</h4>
	<pre>public static final boolean NULL_CHECKING_ENABLED</pre>
	<div class="block">The flag to indicate if null checking is enabled for "get" methods.</div>
	</li>
	</ul>
	</li>
	</ul>
	</li>
	</ul>
	</div>
	</div>
	<!-- ========= END OF CLASS DATA ========= -->
	<!-- ======= START OF BOTTOM NAVBAR ====== -->
	<div class="bottomNav"><a name="navbar.bottom">
	<!-- -->
	</a>
	<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
	<a name="navbar.bottom.firstrow">
	<!-- -->
	</a>
	<ul class="navList" title="Navigation">
	<li><a href="../../../../overview-summary.html">Overview</a></li>
	<li><a href="package-summary.html">Package</a></li>
	<li class="navBarCell1Rev">Class</li>
	<li><a href="class-use/NullCheckingForGet.html">Use</a></li>
	<li><a href="package-tree.html">Tree</a></li>
	<li><a href="../../../../deprecated-list.html">Deprecated</a></li>
	<li><a href="../../../../index-all.html">Index</a></li>
	<li><a href="../../../../help-doc.html">Help</a></li>
	</ul>
	</div>
	<div class="subNav">
	<ul class="navList">
	<li><a href="../../../../org/apache/arrow/vector/LargeVarCharVector.html" title="class in org.apache.arrow.vector"><span class="typeNameLink">Prev Class</span></a></li>
	<li><a href="../../../../org/apache/arrow/vector/NullVector.html" title="class in org.apache.arrow.vector"><span class="typeNameLink">Next Class</span></a></li>
	</ul>
	<ul class="navList">
	<li><a href="../../../../index.html?org/apache/arrow/vector/NullCheckingForGet.html" target="_top">Frames</a></li>
	<li><a href="NullCheckingForGet.html" target="_top">No Frames</a></li>
	</ul>
	<ul class="navList" id="allclasses_navbar_bottom">
	<li><a href="../../../../allclasses-noframe.html">All Classes</a></li>
	</ul>
	<div>
	<script type="text/javascript"><!--
	allClassesLink = document.getElementById("allclasses_navbar_bottom");
	if(window==top) {
	allClassesLink.style.display = "block";
	}
	else {
	allClassesLink.style.display = "none";
	}
	//-->
	</script>
	</div>
	<div>
	<ul class="subNavList">
	<li>Summary: </li>
	<li>Nested \| </li>
	<li><a href="#field.summary">Field</a> \| </li>
	<li>Constr \| </li>
	<li><a href="#methods.inherited.from.class.java.lang.Object">Method</a></li>
	</ul>
	<ul class="subNavList">
	<li>Detail: </li>
	<li><a href="#field.detail">Field</a> \| </li>
	<li>Constr \| </li>
	<li>Method</li>
	</ul>
	</div>
	<a name="skip.navbar.bottom">
	<!-- -->
	</a></div>
	<!-- ======== END OF BOTTOM NAVBAR ======= -->
	<p class="legalCopy"><small>Copyright © 2023 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
	</body>
	</html>