| <!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 (1.8.0_192) on Tue Apr 06 11:46:39 PDT 2021 --> |
| <title>ExpressionVisitors</title> |
| <meta name="date" content="2021-04-06"> |
| <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="ExpressionVisitors"; |
| } |
| } |
| catch(err) { |
| } |
| //--> |
| var methods = {"i0":9,"i1":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"; |
| </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="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/iceberg/expressions/Expressions.html" title="class in org.apache.iceberg.expressions"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.BoundExpressionVisitor.html" title="class in org.apache.iceberg.expressions"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../index.html?org/apache/iceberg/expressions/ExpressionVisitors.html" target="_top">Frames</a></li> |
| <li><a href="ExpressionVisitors.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><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> |
| <a name="skip.navbar.top"> |
| <!-- --> |
| </a></div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <div class="subTitle">org.apache.iceberg.expressions</div> |
| <h2 title="Class ExpressionVisitors" class="title">Class ExpressionVisitors</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.iceberg.expressions.ExpressionVisitors</li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">ExpressionVisitors</span> |
| extends java.lang.Object</pre> |
| <div class="block">Utils for traversing <a href="../../../../org/apache/iceberg/expressions/Expression.html" title="interface in org.apache.iceberg.expressions"><code>expressions</code></a>.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="nested.class.summary"> |
| <!-- --> |
| </a> |
| <h3>Nested Class Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation"> |
| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Class and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.BoundExpressionVisitor.html" title="class in org.apache.iceberg.expressions">ExpressionVisitors.BoundExpressionVisitor</a><<a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.BoundExpressionVisitor.html" title="type parameter in ExpressionVisitors.BoundExpressionVisitor">R</a>></span></code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">use <a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.BoundVisitor.html" title="class in org.apache.iceberg.expressions"><code>ExpressionVisitors.BoundVisitor</code></a> instead</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.BoundVisitor.html" title="class in org.apache.iceberg.expressions">ExpressionVisitors.BoundVisitor</a><<a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.BoundVisitor.html" title="type parameter in ExpressionVisitors.BoundVisitor">R</a>></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.ExpressionVisitor.html" title="class in org.apache.iceberg.expressions">ExpressionVisitors.ExpressionVisitor</a><<a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.ExpressionVisitor.html" title="type parameter in ExpressionVisitors.ExpressionVisitor">R</a>></span></code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <R> R</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.html#visit-org.apache.iceberg.expressions.Expression-org.apache.iceberg.expressions.ExpressionVisitors.ExpressionVisitor-">visit</a></span>(<a href="../../../../org/apache/iceberg/expressions/Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a> expr, |
| <a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.ExpressionVisitor.html" title="class in org.apache.iceberg.expressions">ExpressionVisitors.ExpressionVisitor</a><R> visitor)</code> |
| <div class="block">Traverses the given <a href="../../../../org/apache/iceberg/expressions/Expression.html" title="interface in org.apache.iceberg.expressions"><code>expression</code></a> with a <a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.ExpressionVisitor.html" title="class in org.apache.iceberg.expressions"><code>visitor</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static java.lang.Boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.html#visitEvaluator-org.apache.iceberg.expressions.Expression-org.apache.iceberg.expressions.ExpressionVisitors.ExpressionVisitor-">visitEvaluator</a></span>(<a href="../../../../org/apache/iceberg/expressions/Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a> expr, |
| <a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.ExpressionVisitor.html" title="class in org.apache.iceberg.expressions">ExpressionVisitors.ExpressionVisitor</a><java.lang.Boolean> visitor)</code> |
| <div class="block">Traverses the given <a href="../../../../org/apache/iceberg/expressions/Expression.html" title="interface in org.apache.iceberg.expressions"><code>expression</code></a> with a <a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.ExpressionVisitor.html" title="class in org.apache.iceberg.expressions"><code>visitor</code></a>.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="visit-org.apache.iceberg.expressions.Expression-org.apache.iceberg.expressions.ExpressionVisitors.ExpressionVisitor-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>visit</h4> |
| <pre>public static <R> R visit(<a href="../../../../org/apache/iceberg/expressions/Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a> expr, |
| <a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.ExpressionVisitor.html" title="class in org.apache.iceberg.expressions">ExpressionVisitors.ExpressionVisitor</a><R> visitor)</pre> |
| <div class="block">Traverses the given <a href="../../../../org/apache/iceberg/expressions/Expression.html" title="interface in org.apache.iceberg.expressions"><code>expression</code></a> with a <a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.ExpressionVisitor.html" title="class in org.apache.iceberg.expressions"><code>visitor</code></a>. |
| <p> |
| The visitor will be called to handle each node in the expression tree in postfix order. Result |
| values produced by child nodes are passed when parent nodes are handled.</div> |
| <dl> |
| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>R</code> - the return type produced by the expression visitor</dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>expr</code> - an expression to traverse</dd> |
| <dd><code>visitor</code> - a visitor that will be called to handle each node in the expression tree</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the value returned by the visitor for the root expression node</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="visitEvaluator-org.apache.iceberg.expressions.Expression-org.apache.iceberg.expressions.ExpressionVisitors.ExpressionVisitor-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>visitEvaluator</h4> |
| <pre>public static java.lang.Boolean visitEvaluator(<a href="../../../../org/apache/iceberg/expressions/Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a> expr, |
| <a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.ExpressionVisitor.html" title="class in org.apache.iceberg.expressions">ExpressionVisitors.ExpressionVisitor</a><java.lang.Boolean> visitor)</pre> |
| <div class="block">Traverses the given <a href="../../../../org/apache/iceberg/expressions/Expression.html" title="interface in org.apache.iceberg.expressions"><code>expression</code></a> with a <a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.ExpressionVisitor.html" title="class in org.apache.iceberg.expressions"><code>visitor</code></a>. |
| <p> |
| The visitor will be called to handle only nodes required for determining result |
| in the expression tree in postfix order. Result values produced by child nodes |
| are passed when parent nodes are handled.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>expr</code> - an expression to traverse</dd> |
| <dd><code>visitor</code> - a visitor that will be called to handle each node in the expression tree</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the value returned by the visitor for the root expression node</dd> |
| </dl> |
| </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="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/iceberg/expressions/Expressions.html" title="class in org.apache.iceberg.expressions"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../../../org/apache/iceberg/expressions/ExpressionVisitors.BoundExpressionVisitor.html" title="class in org.apache.iceberg.expressions"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../index.html?org/apache/iceberg/expressions/ExpressionVisitors.html" target="_top">Frames</a></li> |
| <li><a href="ExpressionVisitors.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><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> |
| <a name="skip.navbar.bottom"> |
| <!-- --> |
| </a></div> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| </body> |
| </html> |
