blob: 1f2f36d7b88a4a2c6c575e59e236d6c5fc5cb07e [file] [log] [blame]
<!DOCTYPE HTML>
<html lang="en">
<head>
<!-- Generated by javadoc (17) -->
<title>TransformEliminateAssignments (Apache Jena ARQ)</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="description" content="declaration: module: org.apache.jena.arq, package: org.apache.jena.sparql.algebra.optimize, class: TransformEliminateAssignments">
<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.min.css" title="Style">
<link rel="stylesheet" type="text/css" href="../../../../../../../jquery-ui.overrides.css" title="Style">
<script type="text/javascript" src="../../../../../../../script.js"></script>
<script type="text/javascript" src="../../../../../../../script-dir/jquery-3.6.1.min.js"></script>
<script type="text/javascript" src="../../../../../../../script-dir/jquery-ui.min.js"></script>
</head>
<body class="class-declaration-page">
<script type="text/javascript">var evenRowColor = "even-row-color";
var oddRowColor = "odd-row-color";
var tableTab = "table-tab";
var activeTableTab = "active-table-tab";
var pathtoroot = "../../../../../../../";
loadScripts(document, 'script');</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<div class="flex-box">
<header role="banner" class="flex-header">
<nav role="navigation">
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="top-nav" id="navbar-top">
<div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
<ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
<li><a href="../../../../../../module-summary.html">Module</a></li>
<li><a href="package-summary.html">Package</a></li>
<li class="nav-bar-cell1-rev">Class</li>
<li><a href="class-use/TransformEliminateAssignments.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#class">Help</a></li>
</ul>
</div>
<div class="sub-nav">
<div>
<ul class="sub-nav-list">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li><a href="#field-summary">Field</a>&nbsp;|&nbsp;</li>
<li>Constr&nbsp;|&nbsp;</li>
<li><a href="#method-summary">Method</a></li>
</ul>
<ul class="sub-nav-list">
<li>Detail:&nbsp;</li>
<li>Field&nbsp;|&nbsp;</li>
<li>Constr&nbsp;|&nbsp;</li>
<li><a href="#method-detail">Method</a></li>
</ul>
</div>
<div class="nav-list-search"><label for="search-input">SEARCH:</label>
<input type="text" id="search-input" value="search" disabled="disabled">
<input type="reset" id="reset-button" value="reset" disabled="disabled">
</div>
</div>
<!-- ========= END OF TOP NAVBAR ========= -->
<span class="skip-nav" id="skip-navbar-top"></span></nav>
</header>
<div class="flex-content">
<main role="main">
<!-- ======== START OF CLASS DATA ======== -->
<div class="header">
<div class="sub-title"><span class="module-label-in-type">Module</span>&nbsp;<a href="../../../../../../module-summary.html">org.apache.jena.arq</a></div>
<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.jena.sparql.algebra.optimize</a></div>
<h1 title="Class TransformEliminateAssignments" class="title">Class TransformEliminateAssignments</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance"><a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">org.apache.jena.sparql.algebra.TransformCopy</a>
<div class="inheritance">org.apache.jena.sparql.algebra.optimize.TransformEliminateAssignments</div>
</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="../Transform.html" title="interface in org.apache.jena.sparql.algebra">Transform</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">TransformEliminateAssignments</span>
<span class="extends-implements">extends <a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a></span></div>
<div class="block">A transform that tries to in-line/eliminate assignments
<p>
There are two classes of assignments that we can try and in-line/eliminate:
</p>
<ol>
<li>Assignments where the assigned variable is used only once in a subsequent
expression can be in-lined</li>
<li>Assignments where the assigned value is never used elsewhere can be
eliminated</li>
</ol>
<h3>Eligibility for In-lining</h3>
<p>
Both of these changes can only happen inside of projections as otherwise we
have to assume that the user may need the resulting variable and thus we
leave the assignment alone. Assignments to be in-lined must also be
deterministic i.e. moving their placement in the query and thus the possible
solutions they might operate must not change their outputs. Whether an
expression is deterministic is defined by <a href="../../expr/ExprLib.html#isStable(org.apache.jena.sparql.expr.Expr)"><code>ExprLib.isStable(Expr)</code></a>.
</p>
<p>
In-lining must also respect variable scope, it is possible with a nested
query to have an assignment in-lined out through a projection that projects
it provided that the projection is appropriately modified.
</p>
<p>
There are also various other conditions on assignments that might be eligible
for in-lining:
</p>
<ul>
<li>They cannot occur inside a n-ary operator (e.g. join, <code>UNION</code>,
<code>OPTIONAL</code> etc.) because then in-lining would change semantics because
an expression that previously was only valid for part of the query might
become valid for a larger part of the query</li>
<li>They cannot be in-lined into an <code>EXISTS</code> or <code>NOT EXISTS</code> in a
filter</li>
<li>They cannot be in-lined out of a <code>DISTINCT</code> or <code>REDUCED</code>
because the assignment would be relevant for the purposes of distinctness</li>
</ul>
<p>
Please see <a href="https://issues.apache.org/jira/browse/JENA-780">JENA-780</a> for more
information on this.
</p>
<h3>In-lining Application</h3>
<p>
Assignments may be in-lined in the following places:
</p>
<ul>
<li><code>FILTER</code> Expressions</li>
<li><code>BIND</code> and Project Expressions</li>
<li><code>ORDER BY</code> Expressions if aggressive in-lining is enabled or the
assigned expression is a constant</li>
</ul>
<p>
In the case of <code>ORDER BY</code> we only in-line assignments when aggressive
mode is set unless the assignment is a constant value. This is because during
order by evaluation expressions may be recomputed multiple times and so
in-lining may actually hurt performance in those cases unless the expression
to be in-lined is itself a constant.
</p></div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- =========== FIELD SUMMARY =========== -->
<li>
<section class="field-summary" id="field-summary">
<h2>Field Summary</h2>
<div class="inherited-list">
<h3 id="fields-inherited-from-class-org.apache.jena.sparql.algebra.TransformCopy">Fields inherited from class&nbsp;org.apache.jena.sparql.algebra.<a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a></h3>
<code><a href="../TransformCopy.html#COPY_ALWAYS">COPY_ALWAYS</a>, <a href="../TransformCopy.html#COPY_ONLY_ON_CHANGE">COPY_ONLY_ON_CHANGE</a></code></div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
<div id="method-summary-table.tabpanel" role="tabpanel">
<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#eliminate(org.apache.jena.sparql.algebra.Op)" class="member-name-link">eliminate</a><wbr>(<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;op)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#eliminate(org.apache.jena.sparql.algebra.Op,boolean)" class="member-name-link">eliminate</a><wbr>(<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;op,
boolean&nbsp;aggressive)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#transform(org.apache.jena.sparql.algebra.op.OpExt)" class="member-name-link">transform</a><wbr>(<a href="../op/OpExt.html" title="class in org.apache.jena.sparql.algebra.op">OpExt</a>&nbsp;opExt)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#transform(org.apache.jena.sparql.algebra.op.OpExtend,org.apache.jena.sparql.algebra.Op)" class="member-name-link">transform</a><wbr>(<a href="../op/OpExtend.html" title="class in org.apache.jena.sparql.algebra.op">OpExtend</a>&nbsp;opExtend,
<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;subOp)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#transform(org.apache.jena.sparql.algebra.op.OpFilter,org.apache.jena.sparql.algebra.Op)" class="member-name-link">transform</a><wbr>(<a href="../op/OpFilter.html" title="class in org.apache.jena.sparql.algebra.op">OpFilter</a>&nbsp;opFilter,
<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;subOp)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#transform(org.apache.jena.sparql.algebra.op.OpGroup,org.apache.jena.sparql.algebra.Op)" class="member-name-link">transform</a><wbr>(<a href="../op/OpGroup.html" title="class in org.apache.jena.sparql.algebra.op">OpGroup</a>&nbsp;opGroup,
<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;subOp)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#transform(org.apache.jena.sparql.algebra.op.OpOrder,org.apache.jena.sparql.algebra.Op)" class="member-name-link">transform</a><wbr>(<a href="../op/OpOrder.html" title="class in org.apache.jena.sparql.algebra.op">OpOrder</a>&nbsp;opOrder,
<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;subOp)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#transform(org.apache.jena.sparql.algebra.op.OpTopN,org.apache.jena.sparql.algebra.Op)" class="member-name-link">transform</a><wbr>(<a href="../op/OpTopN.html" title="class in org.apache.jena.sparql.algebra.op">OpTopN</a>&nbsp;opTop,
<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;subOp)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.jena.sparql.algebra.TransformCopy">Methods inherited from class&nbsp;org.apache.jena.sparql.algebra.<a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a></h3>
<code><a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpAssign,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpBGP)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpConditional,org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpDatasetNames)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpDiff,org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpDisjunction,java.util.List)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpDistinct,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpGraph,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpJoin,org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpLabel,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpLateral,org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpLeftJoin,org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpList,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpMinus,org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpNull)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpPath)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpProcedure,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpProject,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpPropFunc,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpQuad)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpQuadBlock)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpQuadPattern)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpReduced,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpSequence,java.util.List)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpService,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpSlice,org.apache.jena.sparql.algebra.Op)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpTable)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpTriple)">transform</a>, <a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpUnion,org.apache.jena.sparql.algebra.Op,org.apache.jena.sparql.algebra.Op)">transform</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="eliminate(org.apache.jena.sparql.algebra.Op)">
<h3>eliminate</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></span>&nbsp;<span class="element-name">eliminate</span><wbr><span class="parameters">(<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;op)</span></div>
</section>
</li>
<li>
<section class="detail" id="eliminate(org.apache.jena.sparql.algebra.Op,boolean)">
<h3>eliminate</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></span>&nbsp;<span class="element-name">eliminate</span><wbr><span class="parameters">(<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;op,
boolean&nbsp;aggressive)</span></div>
</section>
</li>
<li>
<section class="detail" id="transform(org.apache.jena.sparql.algebra.op.OpExt)">
<h3>transform</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></span>&nbsp;<span class="element-name">transform</span><wbr><span class="parameters">(<a href="../op/OpExt.html" title="class in org.apache.jena.sparql.algebra.op">OpExt</a>&nbsp;opExt)</span></div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../Transform.html#transform(org.apache.jena.sparql.algebra.op.OpExt)">transform</a></code>&nbsp;in interface&nbsp;<code><a href="../Transform.html" title="interface in org.apache.jena.sparql.algebra">Transform</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpExt)">transform</a></code>&nbsp;in class&nbsp;<code><a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="transform(org.apache.jena.sparql.algebra.op.OpFilter,org.apache.jena.sparql.algebra.Op)">
<h3>transform</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></span>&nbsp;<span class="element-name">transform</span><wbr><span class="parameters">(<a href="../op/OpFilter.html" title="class in org.apache.jena.sparql.algebra.op">OpFilter</a>&nbsp;opFilter,
<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;subOp)</span></div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../Transform.html#transform(org.apache.jena.sparql.algebra.op.OpFilter,org.apache.jena.sparql.algebra.Op)">transform</a></code>&nbsp;in interface&nbsp;<code><a href="../Transform.html" title="interface in org.apache.jena.sparql.algebra">Transform</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpFilter,org.apache.jena.sparql.algebra.Op)">transform</a></code>&nbsp;in class&nbsp;<code><a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="transform(org.apache.jena.sparql.algebra.op.OpExtend,org.apache.jena.sparql.algebra.Op)">
<h3>transform</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></span>&nbsp;<span class="element-name">transform</span><wbr><span class="parameters">(<a href="../op/OpExtend.html" title="class in org.apache.jena.sparql.algebra.op">OpExtend</a>&nbsp;opExtend,
<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;subOp)</span></div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../Transform.html#transform(org.apache.jena.sparql.algebra.op.OpExtend,org.apache.jena.sparql.algebra.Op)">transform</a></code>&nbsp;in interface&nbsp;<code><a href="../Transform.html" title="interface in org.apache.jena.sparql.algebra">Transform</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpExtend,org.apache.jena.sparql.algebra.Op)">transform</a></code>&nbsp;in class&nbsp;<code><a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="transform(org.apache.jena.sparql.algebra.op.OpOrder,org.apache.jena.sparql.algebra.Op)">
<h3>transform</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></span>&nbsp;<span class="element-name">transform</span><wbr><span class="parameters">(<a href="../op/OpOrder.html" title="class in org.apache.jena.sparql.algebra.op">OpOrder</a>&nbsp;opOrder,
<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;subOp)</span></div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../Transform.html#transform(org.apache.jena.sparql.algebra.op.OpOrder,org.apache.jena.sparql.algebra.Op)">transform</a></code>&nbsp;in interface&nbsp;<code><a href="../Transform.html" title="interface in org.apache.jena.sparql.algebra">Transform</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpOrder,org.apache.jena.sparql.algebra.Op)">transform</a></code>&nbsp;in class&nbsp;<code><a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="transform(org.apache.jena.sparql.algebra.op.OpTopN,org.apache.jena.sparql.algebra.Op)">
<h3>transform</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></span>&nbsp;<span class="element-name">transform</span><wbr><span class="parameters">(<a href="../op/OpTopN.html" title="class in org.apache.jena.sparql.algebra.op">OpTopN</a>&nbsp;opTop,
<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;subOp)</span></div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../Transform.html#transform(org.apache.jena.sparql.algebra.op.OpTopN,org.apache.jena.sparql.algebra.Op)">transform</a></code>&nbsp;in interface&nbsp;<code><a href="../Transform.html" title="interface in org.apache.jena.sparql.algebra">Transform</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpTopN,org.apache.jena.sparql.algebra.Op)">transform</a></code>&nbsp;in class&nbsp;<code><a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="transform(org.apache.jena.sparql.algebra.op.OpGroup,org.apache.jena.sparql.algebra.Op)">
<h3>transform</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a></span>&nbsp;<span class="element-name">transform</span><wbr><span class="parameters">(<a href="../op/OpGroup.html" title="class in org.apache.jena.sparql.algebra.op">OpGroup</a>&nbsp;opGroup,
<a href="../Op.html" title="interface in org.apache.jena.sparql.algebra">Op</a>&nbsp;subOp)</span></div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../Transform.html#transform(org.apache.jena.sparql.algebra.op.OpGroup,org.apache.jena.sparql.algebra.Op)">transform</a></code>&nbsp;in interface&nbsp;<code><a href="../Transform.html" title="interface in org.apache.jena.sparql.algebra">Transform</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../TransformCopy.html#transform(org.apache.jena.sparql.algebra.op.OpGroup,org.apache.jena.sparql.algebra.Op)">transform</a></code>&nbsp;in class&nbsp;<code><a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a></code></dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
<!-- ========= END OF CLASS DATA ========= -->
</main>
<footer role="contentinfo">
<hr>
<p class="legal-copy"><small>Licensed under the Apache License, Version 2.0</small></p>
</footer>
</div>
</div>
</body>
</html>