Google Git
Sign in
apache / calcite-site / f3651d86b6f63f8b6bbb735c74220c093b7bf506 / . / apidocs / org / apache / calcite / rel / metadata / JaninoRelMetadataProvider.html
blob: 69a9c65c66d870721b9249890dc45999a45cc30d [file] [log] [blame]
<!DOCTYPE HTML>
<!-- NewPage -->
<html lang="en">
<head>
<!-- Generated by javadoc -->
<title>JaninoRelMetadataProvider (Apache Calcite API)</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
<link rel="stylesheet" type="text/css" href="../../../../../jquery/jquery-ui.css" title="Style">
<script type="text/javascript" src="../../../../../script.js"></script>
<script type="text/javascript" src="../../../../../jquery/jszip/dist/jszip.min.js"></script>
<script type="text/javascript" src="../../../../../jquery/jszip-utils/dist/jszip-utils.min.js"></script>
<!--[if IE]>
<script type="text/javascript" src="../../../../../jquery/jszip-utils/dist/jszip-utils-ie.min.js"></script>
<![endif]-->
<script type="text/javascript" src="../../../../../jquery/jquery-3.3.1.js"></script>
<script type="text/javascript" src="../../../../../jquery/jquery-migrate-3.0.1.js"></script>
<script type="text/javascript" src="../../../../../jquery/jquery-ui.js"></script>
</head>
<body>
<script type="text/javascript"><!--
try {
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="JaninoRelMetadataProvider (Apache Calcite API)";
}
}
catch(err) {
}
//-->
var data = {"i0":10,"i1":9,"i2":9,"i3":10,"i4":10,"i5":9,"i6":10,"i7":10,"i8":9,"i9":9,"i10":9,"i11":9,"i12":10,"i13":10,"i14":9};
var tabs = {65535:["t0","All Methods"],1:["t1","Static Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};
var altColor = "altColor";
var rowColor = "rowColor";
var tableTab = "tableTab";
var activeTableTab = "activeTableTab";
var pathtoroot = "../../../../../";
var useModuleDirectories = true;
loadScripts(document, 'script');</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<header role="banner">
<nav role="navigation">
<div class="fixedNav">
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="topNav"><a id="navbar.top">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
<a id="navbar.top.firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../index.html">Overview</a></li>
<li><a href="package-summary.html">Package</a></li>
<li class="navBarCell1Rev">Class</li>
<li><a href="class-use/JaninoRelMetadataProvider.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" id="allclasses_navbar_top">
<li><a href="../../../../../allclasses.html">All&nbsp;Classes</a></li>
</ul>
<ul class="navListSearch">
<li><label for="search">SEARCH:</label>
<input type="text" id="search" value="search" disabled="disabled">
<input type="reset" id="reset" value="reset" disabled="disabled">
</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>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li><a href="#nested.class.summary">Nested</a>&nbsp;|&nbsp;</li>
<li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail:&nbsp;</li>
<li><a href="#field.detail">Field</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.detail">Method</a></li>
</ul>
</div>
<a id="skip.navbar.top">
<!-- -->
</a></div>
<!-- ========= END OF TOP NAVBAR ========= -->
</div>
<div class="navPadding">&nbsp;</div>
<script type="text/javascript"><!--
$('.navPadding').css('padding-top', $('.fixedNav').css("height"));
//-->
</script>
</nav>
</header>
<!-- ======== START OF CLASS DATA ======== -->
<main role="main">
<div class="header">
<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.rel.metadata</a></div>
<h2 title="Class JaninoRelMetadataProvider" class="title">Class JaninoRelMetadataProvider</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>org.apache.calcite.rel.metadata.JaninoRelMetadataProvider</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a></code></dd>
</dl>
<hr>
<pre>public class <span class="typeNameLabel">JaninoRelMetadataProvider</span>
extends java.lang.Object
implements <a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a></pre>
<div class="block">Implementation of the <a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata"><code>RelMetadataProvider</code></a> interface that generates
a class that dispatches to the underlying providers.</div>
</li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- ======== NESTED CLASS SUMMARY ======== -->
<section role="region">
<ul class="blockList">
<li class="blockList"><a id="nested.class.summary">
<!-- -->
</a>
<h3>Nested Class Summary</h3>
<table class="memberSummary">
<caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="JaninoRelMetadataProvider.Key.html" title="class in org.apache.calcite.rel.metadata">JaninoRelMetadataProvider.Key</a></span></code></th>
<td class="colLast">
<div class="block">Key for the cache.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="JaninoRelMetadataProvider.NoHandler.html" title="class in org.apache.calcite.rel.metadata">JaninoRelMetadataProvider.NoHandler</a></span></code></th>
<td class="colLast">
<div class="block">Exception that indicates there there should be a handler for
this class but there is not.</div>
</td>
</tr>
</table>
</li>
</ul>
</section>
<!-- =========== FIELD SUMMARY =========== -->
<section role="region">
<ul class="blockList">
<li class="blockList"><a id="field.summary">
<!-- -->
</a>
<h3>Field Summary</h3>
<table class="memberSummary">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static java.util.Set&lt;java.lang.Class&lt;? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ALL_RELS">ALL_RELS</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="JaninoRelMetadataProvider.html" title="class in org.apache.calcite.rel.metadata">JaninoRelMetadataProvider</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEFAULT">DEFAULT</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private static com.google.common.cache.LoadingCache&lt;<a href="JaninoRelMetadataProvider.Key.html" title="class in org.apache.calcite.rel.metadata">JaninoRelMetadataProvider.Key</a>,&#8203;<a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#HANDLERS">HANDLERS</a></span></code></th>
<td class="colLast">
<div class="block">Cache of pre-generated handlers by provider and kind of metadata.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#provider">provider</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
</table>
</li>
</ul>
</section>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<section role="region">
<ul class="blockList">
<li class="blockList"><a id="constructor.summary">
<!-- -->
</a>
<h3>Constructor Summary</h3>
<table class="memberSummary">
<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier</th>
<th class="colSecond" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private </code></td>
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.rel.metadata.RelMetadataProvider)">JaninoRelMetadataProvider</a></span>&#8203;(<a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a>&nbsp;provider)</code></th>
<td class="colLast">
<div class="block">Private constructor; use <a href="#of(org.apache.calcite.rel.metadata.RelMetadataProvider)"><code>of(org.apache.calcite.rel.metadata.RelMetadataProvider)</code></a>.</div>
</td>
</tr>
</table>
</li>
</ul>
</section>
<!-- ========== METHOD SUMMARY =========== -->
<section role="region">
<ul class="blockList">
<li class="blockList"><a id="method.summary">
<!-- -->
</a>
<h3>Method Summary</h3>
<table class="memberSummary">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>&lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>&gt;<br><a href="UnboundMetadata.html" title="interface in org.apache.calcite.rel.metadata">UnboundMetadata</a>&lt;M&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#apply(java.lang.Class,java.lang.Class)">apply</a></span>&#8203;(java.lang.Class&lt;? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&nbsp;relClass,
java.lang.Class&lt;? extends M&gt;&nbsp;metadataClass)</code></th>
<td class="colLast">
<div class="block">Retrieves metadata of a particular type and for a particular sub-class
of relational expression.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>private static java.lang.StringBuilder</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#argList(java.lang.StringBuilder,java.lang.reflect.Method)">argList</a></span>&#8203;(java.lang.StringBuilder&nbsp;buff,
java.lang.reflect.Method&nbsp;method)</code></th>
<td class="colLast">
<div class="block">Returns e.g.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>(package private) static &lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>&gt;<br><a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#compile(java.lang.String,java.lang.String,org.apache.calcite.rel.metadata.MetadataDef,java.util.List)">compile</a></span>&#8203;(java.lang.String&nbsp;className,
java.lang.String&nbsp;classBody,
<a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;M&gt;&nbsp;def,
java.util.List&lt;java.lang.Object&gt;&nbsp;argList)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>(package private) &lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>,&#8203;H extends <a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;&gt;<br>H</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#create(org.apache.calcite.rel.metadata.MetadataDef)">create</a></span>&#8203;(<a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;M&gt;&nbsp;def)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equals(java.lang.Object)">equals</a></span>&#8203;(java.lang.Object&nbsp;obj)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>private static java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#findProvider(java.util.List,java.lang.Class)">findProvider</a></span>&#8203;(java.util.List&lt;<a href="../../util/Pair.html" title="class in org.apache.calcite.util">Pair</a>&lt;java.lang.String,&#8203;<a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&gt;&gt;&nbsp;providerList,
java.lang.Class&lt;?&gt;&nbsp;declaringClass)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>&lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>&gt;<br>com.google.common.collect.Multimap&lt;java.lang.reflect.Method,&#8203;<a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#handlers(org.apache.calcite.rel.metadata.MetadataDef)">handlers</a></span>&#8203;(<a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;M&gt;&nbsp;def)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hashCode()">hashCode</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>private static &lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>&gt;<br><a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#load3(org.apache.calcite.rel.metadata.MetadataDef,com.google.common.collect.Multimap,com.google.common.collect.ImmutableList)">load3</a></span>&#8203;(<a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;M&gt;&nbsp;def,
com.google.common.collect.Multimap&lt;java.lang.reflect.Method,&#8203;<a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;&gt;&nbsp;map,
com.google.common.collect.ImmutableList&lt;java.lang.Class&lt;? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&gt;&nbsp;relClasses)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>private static &lt;K,&#8203;V&gt;<br>com.google.common.cache.CacheBuilder&lt;K,&#8203;V&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#maxSize(com.google.common.cache.CacheBuilder,int)">maxSize</a></span>&#8203;(com.google.common.cache.CacheBuilder&lt;K,&#8203;V&gt;&nbsp;builder,
int&nbsp;size)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>static <a href="JaninoRelMetadataProvider.html" title="class in org.apache.calcite.rel.metadata">JaninoRelMetadataProvider</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#of(org.apache.calcite.rel.metadata.RelMetadataProvider)">of</a></span>&#8203;(<a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a>&nbsp;provider)</code></th>
<td class="colLast">
<div class="block">Creates a JaninoRelMetadataProvider.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>private static java.lang.StringBuilder</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#paramList(java.lang.StringBuilder,java.lang.reflect.Method)">paramList</a></span>&#8203;(java.lang.StringBuilder&nbsp;buff,
java.lang.reflect.Method&nbsp;method)</code></th>
<td class="colLast">
<div class="block">Returns e.g.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#register(java.lang.Iterable)">register</a></span>&#8203;(java.lang.Iterable&lt;java.lang.Class&lt;? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&gt;&nbsp;classes)</code></th>
<td class="colLast">
<div class="block">Registers some classes.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>(package private) &lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>,&#8203;H extends <a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;&gt;<br>H</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#revise(java.lang.Class,org.apache.calcite.rel.metadata.MetadataDef)">revise</a></span>&#8203;(java.lang.Class&lt;? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&nbsp;rClass,
<a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;M&gt;&nbsp;def)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>private static java.lang.StringBuilder</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#safeArgList(java.lang.StringBuilder,java.lang.reflect.Method)">safeArgList</a></span>&#8203;(java.lang.StringBuilder&nbsp;buff,
java.lang.reflect.Method&nbsp;method)</code></th>
<td class="colLast">
<div class="block">Returns e.g.</div>
</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a id="methods.inherited.from.class.java.lang.Object">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
</li>
</ul>
</section>
</li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ============ FIELD DETAIL =========== -->
<section role="region">
<ul class="blockList">
<li class="blockList"><a id="field.detail">
<!-- -->
</a>
<h3>Field Detail</h3>
<a id="provider">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>provider</h4>
<pre>private final&nbsp;<a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a> provider</pre>
</li>
</ul>
<a id="DEFAULT">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>DEFAULT</h4>
<pre>public static final&nbsp;<a href="JaninoRelMetadataProvider.html" title="class in org.apache.calcite.rel.metadata">JaninoRelMetadataProvider</a> DEFAULT</pre>
</li>
</ul>
<a id="ALL_RELS">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>ALL_RELS</h4>
<pre>private static final&nbsp;java.util.Set&lt;java.lang.Class&lt;? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&gt; ALL_RELS</pre>
</li>
</ul>
<a id="HANDLERS">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>HANDLERS</h4>
<pre>private static final&nbsp;com.google.common.cache.LoadingCache&lt;<a href="JaninoRelMetadataProvider.Key.html" title="class in org.apache.calcite.rel.metadata">JaninoRelMetadataProvider.Key</a>,&#8203;<a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&gt; HANDLERS</pre>
<div class="block">Cache of pre-generated handlers by provider and kind of metadata.
For the cache to be effective, providers should implement identity
correctly.</div>
</li>
</ul>
</li>
</ul>
</section>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<section role="region">
<ul class="blockList">
<li class="blockList"><a id="constructor.detail">
<!-- -->
</a>
<h3>Constructor Detail</h3>
<a id="&lt;init&gt;(org.apache.calcite.rel.metadata.RelMetadataProvider)">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>JaninoRelMetadataProvider</h4>
<pre>private&nbsp;JaninoRelMetadataProvider&#8203;(<a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a>&nbsp;provider)</pre>
<div class="block">Private constructor; use <a href="#of(org.apache.calcite.rel.metadata.RelMetadataProvider)"><code>of(org.apache.calcite.rel.metadata.RelMetadataProvider)</code></a>.</div>
</li>
</ul>
</li>
</ul>
</section>
<!-- ============ METHOD DETAIL ========== -->
<section role="region">
<ul class="blockList">
<li class="blockList"><a id="method.detail">
<!-- -->
</a>
<h3>Method Detail</h3>
<a id="of(org.apache.calcite.rel.metadata.RelMetadataProvider)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>of</h4>
<pre class="methodSignature">public static&nbsp;<a href="JaninoRelMetadataProvider.html" title="class in org.apache.calcite.rel.metadata">JaninoRelMetadataProvider</a>&nbsp;of&#8203;(<a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a>&nbsp;provider)</pre>
<div class="block">Creates a JaninoRelMetadataProvider.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>provider</code> - Underlying provider</dd>
</dl>
</li>
</ul>
<a id="maxSize(com.google.common.cache.CacheBuilder,int)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>maxSize</h4>
<pre class="methodSignature">private static&nbsp;&lt;K,&#8203;V&gt;&nbsp;com.google.common.cache.CacheBuilder&lt;K,&#8203;V&gt;&nbsp;maxSize&#8203;(com.google.common.cache.CacheBuilder&lt;K,&#8203;V&gt;&nbsp;builder,
int&nbsp;size)</pre>
</li>
</ul>
<a id="equals(java.lang.Object)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>equals</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;equals&#8203;(java.lang.Object&nbsp;obj)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>equals</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
</dl>
</li>
</ul>
<a id="hashCode()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>hashCode</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;hashCode()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>hashCode</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
</dl>
</li>
</ul>
<a id="apply(java.lang.Class,java.lang.Class)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>apply</h4>
<pre class="methodSignature">public&nbsp;&lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>&gt;&nbsp;<a href="UnboundMetadata.html" title="interface in org.apache.calcite.rel.metadata">UnboundMetadata</a>&lt;M&gt;&nbsp;apply&#8203;(java.lang.Class&lt;? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&nbsp;relClass,
java.lang.Class&lt;? extends M&gt;&nbsp;metadataClass)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="RelMetadataProvider.html#apply(java.lang.Class,java.lang.Class)">RelMetadataProvider</a></code></span></div>
<div class="block">Retrieves metadata of a particular type and for a particular sub-class
of relational expression.
<p>The object returned is a function. It can be applied to a relational
expression of the given type to create a metadata object.</p>
<p>For example, you might call</p>
<blockquote><pre>
RelMetadataProvider provider;
LogicalFilter filter;
RexNode predicate;
Function&lt;RelNode, Metadata&gt; function =
provider.apply(LogicalFilter.class, Selectivity.class};
Selectivity selectivity = function.apply(filter);
Double d = selectivity.selectivity(predicate);
</pre></blockquote></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="RelMetadataProvider.html#apply(java.lang.Class,java.lang.Class)">apply</a></code>&nbsp;in interface&nbsp;<code><a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>relClass</code> - Type of relational expression</dd>
<dd><code>metadataClass</code> - Type of metadata</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Function that will field a metadata instance; or null if this
provider cannot supply metadata of this type</dd>
</dl>
</li>
</ul>
<a id="handlers(org.apache.calcite.rel.metadata.MetadataDef)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>handlers</h4>
<pre class="methodSignature">public&nbsp;&lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>&gt;&nbsp;com.google.common.collect.Multimap&lt;java.lang.reflect.Method,&#8203;<a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;&gt;&nbsp;handlers&#8203;(<a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;M&gt;&nbsp;def)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="RelMetadataProvider.html#handlers(org.apache.calcite.rel.metadata.MetadataDef)">handlers</a></code>&nbsp;in interface&nbsp;<code><a href="RelMetadataProvider.html" title="interface in org.apache.calcite.rel.metadata">RelMetadataProvider</a></code></dd>
</dl>
</li>
</ul>
<a id="load3(org.apache.calcite.rel.metadata.MetadataDef,com.google.common.collect.Multimap,com.google.common.collect.ImmutableList)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>load3</h4>
<pre class="methodSignature">private static&nbsp;&lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>&gt;&nbsp;<a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;&nbsp;load3&#8203;(<a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;M&gt;&nbsp;def,
com.google.common.collect.Multimap&lt;java.lang.reflect.Method,&#8203;<a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;&gt;&nbsp;map,
com.google.common.collect.ImmutableList&lt;java.lang.Class&lt;? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&gt;&nbsp;relClasses)</pre>
</li>
</ul>
<a id="findProvider(java.util.List,java.lang.Class)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>findProvider</h4>
<pre class="methodSignature">private static&nbsp;java.lang.String&nbsp;findProvider&#8203;(java.util.List&lt;<a href="../../util/Pair.html" title="class in org.apache.calcite.util">Pair</a>&lt;java.lang.String,&#8203;<a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&gt;&gt;&nbsp;providerList,
java.lang.Class&lt;?&gt;&nbsp;declaringClass)</pre>
</li>
</ul>
<a id="argList(java.lang.StringBuilder,java.lang.reflect.Method)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>argList</h4>
<pre class="methodSignature">private static&nbsp;java.lang.StringBuilder&nbsp;argList&#8203;(java.lang.StringBuilder&nbsp;buff,
java.lang.reflect.Method&nbsp;method)</pre>
<div class="block">Returns e.g. ", ignoreNulls".</div>
</li>
</ul>
<a id="safeArgList(java.lang.StringBuilder,java.lang.reflect.Method)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>safeArgList</h4>
<pre class="methodSignature">private static&nbsp;java.lang.StringBuilder&nbsp;safeArgList&#8203;(java.lang.StringBuilder&nbsp;buff,
java.lang.reflect.Method&nbsp;method)</pre>
<div class="block">Returns e.g. ", ignoreNulls".</div>
</li>
</ul>
<a id="paramList(java.lang.StringBuilder,java.lang.reflect.Method)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>paramList</h4>
<pre class="methodSignature">private static&nbsp;java.lang.StringBuilder&nbsp;paramList&#8203;(java.lang.StringBuilder&nbsp;buff,
java.lang.reflect.Method&nbsp;method)</pre>
<div class="block">Returns e.g. ",\n boolean ignoreNulls".</div>
</li>
</ul>
<a id="compile(java.lang.String,java.lang.String,org.apache.calcite.rel.metadata.MetadataDef,java.util.List)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>compile</h4>
<pre class="methodSignature">static&nbsp;&lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>&gt;&nbsp;<a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;&nbsp;compile&#8203;(java.lang.String&nbsp;className,
java.lang.String&nbsp;classBody,
<a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;M&gt;&nbsp;def,
java.util.List&lt;java.lang.Object&gt;&nbsp;argList)
throws org.codehaus.commons.compiler.CompileException,
java.io.IOException</pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.codehaus.commons.compiler.CompileException</code></dd>
<dd><code>java.io.IOException</code></dd>
</dl>
</li>
</ul>
<a id="create(org.apache.calcite.rel.metadata.MetadataDef)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>create</h4>
<pre class="methodSignature">&lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>,&#8203;H extends <a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;&gt;&nbsp;H&nbsp;create&#8203;(<a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;M&gt;&nbsp;def)</pre>
</li>
</ul>
<a id="revise(java.lang.Class,org.apache.calcite.rel.metadata.MetadataDef)">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>revise</h4>
<pre class="methodSignature">&lt;M extends <a href="Metadata.html" title="interface in org.apache.calcite.rel.metadata">Metadata</a>,&#8203;H extends <a href="MetadataHandler.html" title="interface in org.apache.calcite.rel.metadata">MetadataHandler</a>&lt;M&gt;&gt;&nbsp;H&nbsp;revise&#8203;(java.lang.Class&lt;? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&nbsp;rClass,
<a href="MetadataDef.html" title="class in org.apache.calcite.rel.metadata">MetadataDef</a>&lt;M&gt;&nbsp;def)</pre>
</li>
</ul>
<a id="register(java.lang.Iterable)">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>register</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;register&#8203;(java.lang.Iterable&lt;java.lang.Class&lt;? extends <a href="../RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>&gt;&gt;&nbsp;classes)</pre>
<div class="block">Registers some classes. Does not flush the providers, but next time we
need to generate a provider, it will handle all of these classes. So,
calling this method reduces the number of times we need to re-generate.</div>
</li>
</ul>
</li>
</ul>
</section>
</li>
</ul>
</div>
</div>
</main>
<!-- ========= END OF CLASS DATA ========= -->
<footer role="contentinfo">
<nav role="navigation">
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<div class="bottomNav"><a id="navbar.bottom">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
<a id="navbar.bottom.firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../index.html">Overview</a></li>
<li><a href="package-summary.html">Package</a></li>
<li class="navBarCell1Rev">Class</li>
<li><a href="class-use/JaninoRelMetadataProvider.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" id="allclasses_navbar_bottom">
<li><a href="../../../../../allclasses.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>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li><a href="#nested.class.summary">Nested</a>&nbsp;|&nbsp;</li>
<li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail:&nbsp;</li>
<li><a href="#field.detail">Field</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.detail">Method</a></li>
</ul>
</div>
<a id="skip.navbar.bottom">
<!-- -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
</nav>
<p class="legalCopy"><small>Copyright &#169; 2012&#x2013;2019 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
</footer>
</body>
</html>