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<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</a></div>
<h1 title="Class SystemARQ" class="title">Class SystemARQ</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.SystemARQ</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">SystemARQ</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>
</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 boolean</code></div>
<div class="col-second even-row-color"><code><a href="#EnableRomanNumerals" class="member-name-link">EnableRomanNumerals</a></code></div>
<div class="col-last even-row-color">
<div class="block">Whether support for Roman numerals (datatype http://rome.example.org/Numeral).</div>
</div>
<div class="col-first odd-row-color"><code>static boolean</code></div>
<div class="col-second odd-row-color"><code><a href="#StrictDateTimeFO" class="member-name-link">StrictDateTimeFO</a></code></div>
<div class="col-last odd-row-color">
<div class="block">Under strict F&amp;O, dateTimes and dates that have no timezone have one magically applied.</div>
</div>
<div class="col-first even-row-color"><code>static boolean</code></div>
<div class="col-second even-row-color"><code><a href="#UsePlainGraph" class="member-name-link">UsePlainGraph</a></code></div>
<div class="col-last even-row-color">
<div class="block">Use a plain graph (sameValueAs is term equality)</div>
</div>
<div class="col-first odd-row-color"><code>static boolean</code></div>
<div class="col-second odd-row-color"><code><a href="#ValueExtensions" class="member-name-link">ValueExtensions</a></code></div>
<div class="col-last odd-row-color">
<div class="block">Control whether addition datatypes, over and above strict, minimal SPARQL compliance, are handled.</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">SystemARQ</a>()</code></div>
<div class="col-last even-row-color">&nbsp;</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="util/Symbol.html" title="class in org.apache.jena.sparql.util">Symbol</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#allocSymbol(java.lang.String)" class="member-name-link">allocSymbol</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;shortName)</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="util/Symbol.html" title="class in org.apache.jena.sparql.util">Symbol</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#allocSymbol(java.lang.String,java.lang.String)" class="member-name-link">allocSymbol</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;base,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;shortName)</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-tab1 method-summary-table-tab4"><code>static void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#sync(org.apache.jena.graph.Graph)" class="member-name-link">sync</a><wbr>(org.apache.jena.graph.Graph&nbsp;graph)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Sync if provided.</div>
</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="#sync(org.apache.jena.query.Dataset)" class="member-name-link">sync</a><wbr>(<a href="../query/Dataset.html" title="interface in org.apache.jena.query">Dataset</a>&nbsp;dataset)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Sync a Dataset, if underlying storage provides sync.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#sync(org.apache.jena.rdf.model.Model)" class="member-name-link">sync</a><wbr>(org.apache.jena.rdf.model.Model&nbsp;model)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Sync a Model if it provides the underlying graph provides sync .</div>
</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="#sync(org.apache.jena.sparql.core.DatasetGraph)" class="member-name-link">sync</a><wbr>(<a href="core/DatasetGraph.html" title="interface in org.apache.jena.sparql.core">DatasetGraph</a>&nbsp;dataset)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Sync carefully for compound objects</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#syncObject(java.lang.Object)" class="member-name-link">syncObject</a><wbr>(<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>&nbsp;object)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Sync an object if synchronizable (model, graph, dataset).</div>
</div>
</div>
</div>
</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">
<!-- ============ FIELD DETAIL =========== -->
<li>
<section class="field-details" id="field-detail">
<h2>Field Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="ValueExtensions">
<h3>ValueExtensions</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">ValueExtensions</span></div>
<div class="block">Control whether addition datatypes, over and above strict, minimal SPARQL compliance, are handled.
Examples include xsd:date and simple literal/xsd:string.</div>
</section>
</li>
<li>
<section class="detail" id="StrictDateTimeFO">
<h3>StrictDateTimeFO</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">StrictDateTimeFO</span></div>
<div class="block">Under strict F&amp;O, dateTimes and dates that have no timezone have one magically applied.
This default timezone is implementation dependent and can lead to different answers
to queries depending on the timezone. Normally, ARQ uses XMLSchema dateTime comparisons,
which an yield "indeterminate", which in turn is an evaluation error.
F&amp;O insists on true/false and so can lead to false positives and negatives.</div>
</section>
</li>
<li>
<section class="detail" id="EnableRomanNumerals">
<h3>EnableRomanNumerals</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">EnableRomanNumerals</span></div>
<div class="block">Whether support for Roman numerals (datatype http://rome.example.org/Numeral).
Mainly a test of datatype extension.</div>
</section>
</li>
<li>
<section class="detail" id="UsePlainGraph">
<h3>UsePlainGraph</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">UsePlainGraph</span></div>
<div class="block">Use a plain graph (sameValueAs is term equality)</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="&lt;init&gt;()">
<h3>SystemARQ</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">SystemARQ</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="sync(org.apache.jena.rdf.model.Model)">
<h3>sync</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">sync</span><wbr><span class="parameters">(org.apache.jena.rdf.model.Model&nbsp;model)</span></div>
<div class="block">Sync a Model if it provides the underlying graph provides sync . Do nothing
otherwise.</div>
</section>
</li>
<li>
<section class="detail" id="sync(org.apache.jena.graph.Graph)">
<h3>sync</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">sync</span><wbr><span class="parameters">(org.apache.jena.graph.Graph&nbsp;graph)</span></div>
<div class="block">Sync if provided. Do nothing if not.</div>
</section>
</li>
<li>
<section class="detail" id="sync(org.apache.jena.query.Dataset)">
<h3>sync</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">sync</span><wbr><span class="parameters">(<a href="../query/Dataset.html" title="interface in org.apache.jena.query">Dataset</a>&nbsp;dataset)</span></div>
<div class="block">Sync a Dataset, if underlying storage provides sync.</div>
</section>
</li>
<li>
<section class="detail" id="sync(org.apache.jena.sparql.core.DatasetGraph)">
<h3>sync</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">sync</span><wbr><span class="parameters">(<a href="core/DatasetGraph.html" title="interface in org.apache.jena.sparql.core">DatasetGraph</a>&nbsp;dataset)</span></div>
<div class="block">Sync carefully for compound objects</div>
</section>
</li>
<li>
<section class="detail" id="syncObject(java.lang.Object)">
<h3>syncObject</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">syncObject</span><wbr><span class="parameters">(<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>&nbsp;object)</span></div>
<div class="block">Sync an object if synchronizable (model, graph, dataset).</div>
</section>
</li>
<li>
<section class="detail" id="allocSymbol(java.lang.String)">
<h3>allocSymbol</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="util/Symbol.html" title="class in org.apache.jena.sparql.util">Symbol</a></span>&nbsp;<span class="element-name">allocSymbol</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;shortName)</span></div>
</section>
</li>
<li>
<section class="detail" id="allocSymbol(java.lang.String,java.lang.String)">
<h3>allocSymbol</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="util/Symbol.html" title="class in org.apache.jena.sparql.util">Symbol</a></span>&nbsp;<span class="element-name">allocSymbol</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;base,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;shortName)</span></div>
</section>
</li>
</ul>
</section>
</li>
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