| <!DOCTYPE HTML> |
| <!-- NewPage --> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc --> |
| <title>Types (Apache Calcite calcite API)</title> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <meta name="description" content="declaration: package: org.apache.calcite.linq4j.tree, class: Types"> |
| <meta name="generator" content="javadoc/ClassWriterImpl"> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| <link rel="stylesheet" type="text/css" href="../../../../../script-dir/jquery-ui.css" title="Style"> |
| <script type="text/javascript" src="../../../../../script.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jszip/dist/jszip.min.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jszip-utils/dist/jszip-utils.min.js"></script> |
| <!--[if IE]> |
| <script type="text/javascript" src="../../../../../script-dir/jszip-utils/dist/jszip-utils-ie.min.js"></script> |
| <![endif]--> |
| <script type="text/javascript" src="../../../../../script-dir/jquery-3.4.1.js"></script> |
| <script type="text/javascript" src="../../../../../script-dir/jquery-ui.js"></script> |
| </head> |
| <body class="class-declaration"> |
| <script type="text/javascript">var data = {"i0":9,"i1":9,"i2":9,"i3":9,"i4":9,"i5":9,"i6":9,"i7":9,"i8":9,"i9":9,"i10":9,"i11":9,"i12":9,"i13":9,"i14":9,"i15":9,"i16":9,"i17":9,"i18":9,"i19":9}; |
| var tabs = {65535:["t0","All Methods"],1:["t1","Static Methods"],8:["t4","Concrete Methods"]}; |
| var altColor = "altColor"; |
| var rowColor = "rowColor"; |
| var tableTab = "tableTab"; |
| var activeTableTab = "activeTableTab"; |
| var pathtoroot = "../../../../../"; |
| loadScripts(document, 'script');</script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <div class="flexBox"> |
| <header role="banner" class="flexHeader"> |
| <nav role="navigation"> |
| <!-- ========= 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="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 class="aboutLanguage"><b>Apache Calcite</b></div> |
| </div> |
| <div class="subNav"> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li><a href="#nested.class.summary">Nested</a> | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <div class="navListSearch"><label for="search">SEARCH:</label> |
| <input type="text" id="search" value="search" disabled="disabled"> |
| <input type="reset" id="reset" value="reset" disabled="disabled"> |
| </div> |
| </div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <div class="skipNav"><a id="skip.navbar.top"> |
| <!-- --> |
| </a></div> |
| </nav> |
| </header> |
| <div class="flexContent"> |
| <main role="main"> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.linq4j.tree</a></div> |
| <h1 title="Class Types" class="title">Class Types</h1> |
| </div> |
| <div class="contentContainer"> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a> |
| <div class="inheritance">org.apache.calcite.linq4j.tree.Types</div> |
| </div> |
| <section class="description"> |
| <hr> |
| <pre>public abstract class <span class="typeNameLabel">Types</span> |
| extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></pre> |
| <div class="block">Utilities for converting between <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree"><code>Expression</code></a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink"><code>Type</code></a> and |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>Class</code></a>.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="Primitive.html" title="enum in org.apache.calcite.linq4j.tree"><code>Primitive</code></a></dd> |
| </dl> |
| </section> |
| <section class="summary"> |
| <ul class="blockList"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| <li class="blockList"> |
| <section class="nestedClassSummary"><a id="nested.class.summary"> |
| <!-- --> |
| </a> |
| <h2>Nested Class Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <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> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Types.ArrayType.html" title="class in org.apache.calcite.linq4j.tree">Types.ArrayType</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Array type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Types.MapType.html" title="class in org.apache.calcite.linq4j.tree">Types.MapType</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Map type.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Types.RecordField.html" title="interface in org.apache.calcite.linq4j.tree">Types.RecordField</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Field that belongs to a record.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Types.RecordType.html" title="interface in org.apache.calcite.linq4j.tree">Types.RecordType</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Base class for record-like types that do not mapped to (currently |
| loaded) Java <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>Class</code></a> objects.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li class="blockList"> |
| <section class="methodSummary"><a id="method.summary"> |
| <!-- --> |
| </a> |
| <h2>Method Summary</h2> |
| <div class="memberSummary"> |
| <div role="tablist" aria-orientation="horizontal"><button role="tab" aria-selected="true" aria-controls="memberSummary_tabpanel" tabindex="0" onkeydown="switchTab(event)" id="t0" class="activeTableTab">All Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t1" class="tableTab" onclick="show(1);">Static Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t4" class="tableTab" onclick="show(8);">Concrete Methods</button></div> |
| <div id="memberSummary_tabpanel" role="tabpanel"> |
| <table aria-labelledby="t0"> |
| <thead> |
| <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> |
| </thead> |
| <tbody> |
| <tr class="altColor" id="i0"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#allAssignable(boolean,java.lang.Class%5B%5D,java.lang.Class%5B%5D)">allAssignable</a></span>​(boolean varArgs, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>[] parameterTypes, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>[] argumentTypes)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#box(java.lang.reflect.Type)">box</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code>static <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#castIfNecessary(java.lang.reflect.Type,org.apache.calcite.linq4j.tree.Expression)">castIfNecessary</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> returnType, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</code></th> |
| <td class="colLast"> |
| <div class="block">Wraps an expression in a cast if it is not already of the desired type, |
| or cannot be implicitly converted to it.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i3"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#discard(java.lang.Object)">discard</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> o)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <td class="colFirst"><code>static <a href="PseudoField.html" title="interface in org.apache.calcite.linq4j.tree">PseudoField</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#field(java.lang.reflect.Field)">field</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Field</a> field)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i5"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getComponentType(java.lang.reflect.Type)">getComponentType</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the component type of an array.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i6"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getElementType(java.lang.reflect.Type)">getElementType</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the element type of a <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink"><code>Collection</code></a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>Iterable</code></a> |
| (including <a href="../Queryable.html" title="interface in org.apache.calcite.linq4j"><code>Queryable</code></a> and |
| <a href="../Enumerable.html" title="interface in org.apache.calcite.linq4j"><code>Enumerable</code></a>), <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util" class="externalLink"><code>Iterator</code></a>, |
| <a href="../Enumerator.html" title="interface in org.apache.calcite.linq4j"><code>Enumerator</code></a>, or an array.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i7"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isArray(java.lang.reflect.Type)">isArray</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i8"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isAssignableFrom(java.lang.reflect.Type,java.lang.reflect.Type)">isAssignableFrom</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type0, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i9"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Constructor.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Constructor</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#lookupConstructor(java.lang.reflect.Type,java.lang.Class...)">lookupConstructor</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>... argumentTypes)</code></th> |
| <td class="colLast"> |
| <div class="block">Finds a constructor of a given class that accepts a given set of |
| arguments.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i10"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Field</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#lookupField(java.lang.reflect.Type,java.lang.String)">lookupField</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> name)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i11"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Method</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#lookupMethod(java.lang.Class,java.lang.String,java.lang.Class...)">lookupMethod</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> clazz, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> methodName, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>... argumentTypes)</code></th> |
| <td class="colLast"> |
| <div class="block">Finds a method of a given name that accepts a given set of arguments.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i12"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#needTypeCast(java.lang.reflect.Type,java.lang.reflect.Type)">needTypeCast</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> fromType, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> toType)</code></th> |
| <td class="colLast"> |
| <div class="block">When trying to cast/convert a <code>Type</code> to another <code>Type</code>, |
| it is necessary to pre-check whether the cast operation is needed.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i13"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Field</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nthField(int,java.lang.Class)">nthField</a></span>​(int ordinal, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> clazz)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i14"> |
| <td class="colFirst"><code>static <a href="PseudoField.html" title="interface in org.apache.calcite.linq4j.tree">PseudoField</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nthField(int,java.lang.reflect.Type)">nthField</a></span>​(int ordinal, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> clazz)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i15"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#of(java.lang.reflect.Type,java.lang.reflect.Type...)">of</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a>... typeArguments)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a type with generic parameters.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i16"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#stripGenerics(java.lang.reflect.Type)">stripGenerics</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i17"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toClass(java.lang.reflect.Type)">toClass</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i18"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toClassArray(java.lang.Iterable)">toClassArray</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a><? extends <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>> arguments)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i19"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unbox(java.lang.reflect.Type)">unbox</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3> |
| <a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li class="blockList"> |
| <section class="methodDetails"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h2>Method Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="of(java.lang.reflect.Type,java.lang.reflect.Type...)">of</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></span> <span class="memberName">of</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a>... typeArguments)</span></div> |
| <div class="block">Creates a type with generic parameters.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getElementType(java.lang.reflect.Type)">getElementType</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></span> <span class="memberName">getElementType</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</span></div> |
| <div class="block">Returns the element type of a <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util" class="externalLink"><code>Collection</code></a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>Iterable</code></a> |
| (including <a href="../Queryable.html" title="interface in org.apache.calcite.linq4j"><code>Queryable</code></a> and |
| <a href="../Enumerable.html" title="interface in org.apache.calcite.linq4j"><code>Enumerable</code></a>), <a href="https://docs.oracle.com/javase/9/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util" class="externalLink"><code>Iterator</code></a>, |
| <a href="../Enumerator.html" title="interface in org.apache.calcite.linq4j"><code>Enumerator</code></a>, or an array. |
| |
| <p>Returns null if the type is not one of these.</p></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="toClass(java.lang.reflect.Type)">toClass</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a></span> <span class="memberName">toClass</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="toClassArray(java.lang.Iterable)">toClassArray</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>[]</span> <span class="memberName">toClassArray</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Iterable</a><? extends <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>> arguments)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getComponentType(java.lang.reflect.Type)">getComponentType</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></span> <span class="memberName">getComponentType</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</span></div> |
| <div class="block">Returns the component type of an array.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="box(java.lang.reflect.Type)">box</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></span> <span class="memberName">box</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="unbox(java.lang.reflect.Type)">unbox</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></span> <span class="memberName">unbox</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="isAssignableFrom(java.lang.reflect.Type,java.lang.reflect.Type)">isAssignableFrom</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">boolean</span> <span class="memberName">isAssignableFrom</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type0, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="isArray(java.lang.reflect.Type)">isArray</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">boolean</span> <span class="memberName">isArray</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="nthField(int,java.lang.Class)">nthField</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Field</a></span> <span class="memberName">nthField</span>​(<span class="arguments">int ordinal, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> clazz)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="nthField(int,java.lang.reflect.Type)">nthField</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="PseudoField.html" title="interface in org.apache.calcite.linq4j.tree">PseudoField</a></span> <span class="memberName">nthField</span>​(<span class="arguments">int ordinal, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> clazz)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="allAssignable(boolean,java.lang.Class[],java.lang.Class[])">allAssignable</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">boolean</span> <span class="memberName">allAssignable</span>​(<span class="arguments">boolean varArgs, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>[] parameterTypes, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>[] argumentTypes)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="lookupMethod(java.lang.Class,java.lang.String,java.lang.Class...)">lookupMethod</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Method.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Method</a></span> <span class="memberName">lookupMethod</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a> clazz, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> methodName, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>... argumentTypes)</span></div> |
| <div class="block">Finds a method of a given name that accepts a given set of arguments. |
| Includes in its search inherited methods and methods with wider argument |
| types.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - Class against which method is invoked</dd> |
| <dd><code>methodName</code> - Name of method</dd> |
| <dd><code>argumentTypes</code> - Types of arguments</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A method with the given name that matches the arguments given</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang" class="externalLink">RuntimeException</a></code> - if method not found</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="lookupConstructor(java.lang.reflect.Type,java.lang.Class...)">lookupConstructor</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Constructor.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Constructor</a></span> <span class="memberName">lookupConstructor</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>... argumentTypes)</span></div> |
| <div class="block">Finds a constructor of a given class that accepts a given set of |
| arguments. Includes in its search methods with wider argument types.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>type</code> - Class against which method is invoked</dd> |
| <dd><code>argumentTypes</code> - Types of arguments</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A method with the given name that matches the arguments given</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang" class="externalLink">RuntimeException</a></code> - if method not found</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="lookupField(java.lang.reflect.Type,java.lang.String)">lookupField</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Field</a></span> <span class="memberName">lookupField</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> name)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="discard(java.lang.Object)">discard</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">void</span> <span class="memberName">discard</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> o)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="castIfNecessary(java.lang.reflect.Type,org.apache.calcite.linq4j.tree.Expression)">castIfNecessary</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></span> <span class="memberName">castIfNecessary</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> returnType, |
| <a href="Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a> expression)</span></div> |
| <div class="block">Wraps an expression in a cast if it is not already of the desired type, |
| or cannot be implicitly converted to it.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>returnType</code> - Desired type</dd> |
| <dd><code>expression</code> - Expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Expression of desired type</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="needTypeCast(java.lang.reflect.Type,java.lang.reflect.Type)">needTypeCast</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType">boolean</span> <span class="memberName">needTypeCast</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> fromType, |
| <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> toType)</span></div> |
| <div class="block">When trying to cast/convert a <code>Type</code> to another <code>Type</code>, |
| it is necessary to pre-check whether the cast operation is needed. |
| We summarize general exceptions, including: |
| |
| <ol> |
| <li>target Type <code>toType</code> equals with original Type <code>fromType</code></li> |
| <li>target Type can be assignable from original Type</li> |
| <li>target Type is an instance of <code>RecordType</code>, |
| since the mapping Java Class might not generated yet</li> |
| </ol></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fromType</code> - original type</dd> |
| <dd><code>toType</code> - target type</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Whether a cast operation is needed</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="field(java.lang.reflect.Field)">field</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="PseudoField.html" title="interface in org.apache.calcite.linq4j.tree">PseudoField</a></span> <span class="memberName">field</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Field.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Field</a> field)</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="stripGenerics(java.lang.reflect.Type)">stripGenerics</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a></span> <span class="memberName">stripGenerics</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/reflect/Type.html?is-external=true" title="class or interface in java.lang.reflect" class="externalLink">Type</a> type)</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </div> |
| <!-- ========= END OF CLASS DATA ========= --> |
| </main> |
| <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="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 class="aboutLanguage"><b>Apache Calcite</b></div> |
| </div> |
| <div class="subNav"> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li><a href="#nested.class.summary">Nested</a> | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| </div> |
| <a id="skip.navbar.bottom"> |
| <!-- --> |
| </a> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| </nav> |
| <p class="legalCopy"><small>Copyright © 2012-2020 Apache Software Foundation. All Rights Reserved.</small></p> |
| </footer> |
| </div> |
| </div> |
| </body> |
| </html> |