| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc (17) --> |
| <title>StageBuilder (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.engine.main, class: StageBuilder"> |
| <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/StageBuilder.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: </li> |
| <li>Nested | </li> |
| <li><a href="#field-summary">Field</a> | </li> |
| <li><a href="#constructor-summary">Constr</a> | </li> |
| <li><a href="#method-summary">Method</a></li> |
| </ul> |
| <ul class="sub-nav-list"> |
| <li>Detail: </li> |
| <li><a href="#field-detail">Field</a> | </li> |
| <li><a href="#constructor-detail">Constr</a> | </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> <a href="../../../../../../module-summary.html">org.apache.jena.arq</a></div> |
| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.jena.sparql.engine.main</a></div> |
| <h1 title="Class StageBuilder" class="title">Class StageBuilder</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">org.apache.jena.sparql.engine.main.StageBuilder</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">StageBuilder</span> |
| <span class="extends-implements">extends <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></span></div> |
| <div class="block">The stage builder (there is only one) is a library that encapsulates |
| evaluation of a basic graph pattern (BGP). Matching BGPs is an extension |
| point of SPARQL; different entailment regimes plug in at this point. |
| They are also an extension point in ARQ to connect to any datasource, |
| the most common case being connecting to a Jena graph. |
| |
| The StageBuilder finds the registered StageGenerator, and calls it to |
| evaluate a basic graph pattern that has any bound variables |
| replaced by their value (in effect, an index join). |
| |
| Extension happens by registering a different StageGenerator in |
| the context object for the execution. Setting the StageGenerator |
| in the global context (<a href="../../../query/ARQ.html" title="class in org.apache.jena.query"><code>ARQ</code></a>) makes it available |
| to all query execution created after the point of setting. |
| |
| Helper static methods for setting the stage generator are provided.</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="caption"><span>Fields</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>static <a href="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#executeInline" class="member-name-link">executeInline</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">The plain StageGenerator, no reordering</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">StageBuilder</a>()</code></div> |
| <div class="col-last even-row-color"> </div> |
| </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-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="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#chooseStageGenerator(org.apache.jena.sparql.util.Context)" class="member-name-link">chooseStageGenerator</a><wbr>(<a href="../../util/Context.html" title="class in org.apache.jena.sparql.util">Context</a> context)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getGenerator()" class="member-name-link">getGenerator</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getGenerator(org.apache.jena.sparql.util.Context)" class="member-name-link">getGenerator</a><wbr>(<a href="../../util/Context.html" title="class in org.apache.jena.sparql.util">Context</a> context)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#setGenerator(org.apache.jena.sparql.util.Context,org.apache.jena.sparql.engine.main.StageGenerator)" class="member-name-link">setGenerator</a><wbr>(<a href="../../util/Context.html" title="class in org.apache.jena.sparql.util">Context</a> context, |
| <a href="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a> stageGenerator)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#standardGenerator()" class="member-name-link">standardGenerator</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class 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"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="executeInline"> |
| <h3>executeInline</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a></span> <span class="element-name">executeInline</span></div> |
| <div class="block">The plain StageGenerator, no reordering</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>StageBuilder</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">StageBuilder</span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="setGenerator(org.apache.jena.sparql.util.Context,org.apache.jena.sparql.engine.main.StageGenerator)"> |
| <h3>setGenerator</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name">setGenerator</span><wbr><span class="parameters">(<a href="../../util/Context.html" title="class in org.apache.jena.sparql.util">Context</a> context, |
| <a href="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a> stageGenerator)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getGenerator(org.apache.jena.sparql.util.Context)"> |
| <h3>getGenerator</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a></span> <span class="element-name">getGenerator</span><wbr><span class="parameters">(<a href="../../util/Context.html" title="class in org.apache.jena.sparql.util">Context</a> context)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getGenerator()"> |
| <h3>getGenerator</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a></span> <span class="element-name">getGenerator</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="standardGenerator()"> |
| <h3>standardGenerator</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a></span> <span class="element-name">standardGenerator</span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="chooseStageGenerator(org.apache.jena.sparql.util.Context)"> |
| <h3>chooseStageGenerator</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="StageGenerator.html" title="interface in org.apache.jena.sparql.engine.main">StageGenerator</a></span> <span class="element-name">chooseStageGenerator</span><wbr><span class="parameters">(<a href="../../util/Context.html" title="class in org.apache.jena.sparql.util">Context</a> context)</span></div> |
| </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> |