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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.core</a></div>
<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.jena.mem2</a></div>
<h1 title="Class GraphMem2" class="title">Class GraphMem2</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="../graph/impl/GraphBase.html" title="class in org.apache.jena.graph.impl">org.apache.jena.graph.impl.GraphBase</a>
<div class="inheritance"><a href="../mem/GraphMemBase.html" title="class in org.apache.jena.mem">org.apache.jena.mem.GraphMemBase</a>
<div class="inheritance">org.apache.jena.mem2.GraphMem2</div>
</div>
</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code>org.apache.jena.atlas.lib.Copyable&lt;<a href="GraphMem2.html" title="class in org.apache.jena.mem2">GraphMem2</a>&gt;</code>, <code><a href="../graph/Graph.html" title="interface in org.apache.jena.graph">Graph</a></code>, <code><a href="../graph/impl/GraphWithPerform.html" title="interface in org.apache.jena.graph.impl">GraphWithPerform</a></code></dd>
</dl>
<dl class="notes">
<dt>Direct Known Subclasses:</dt>
<dd><code><a href="GraphMem2Fast.html" title="class in org.apache.jena.mem2">GraphMem2Fast</a></code>, <code><a href="GraphMem2Legacy.html" title="class in org.apache.jena.mem2">GraphMem2Legacy</a></code>, <code><a href="GraphMem2Roaring.html" title="class in org.apache.jena.mem2">GraphMem2Roaring</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">GraphMem2</span>
<span class="extends-implements">extends <a href="../mem/GraphMemBase.html" title="class in org.apache.jena.mem">GraphMemBase</a>
implements <a href="../graph/impl/GraphWithPerform.html" title="interface in org.apache.jena.graph.impl">GraphWithPerform</a>, org.apache.jena.atlas.lib.Copyable&lt;<a href="GraphMem2.html" title="class in org.apache.jena.mem2">GraphMem2</a>&gt;</span></div>
<div class="block">A graph that stores triples in memory. This class is not thread-safe.
All triples are stored in a <a href="store/TripleStore.html" title="interface in org.apache.jena.mem2.store"><code>TripleStore</code></a>.
<p>
Implementation must always comply to term-equality semantics. The characteristics of the
implementations always have handlesLiteralTyping() == false.</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.graph.impl.GraphBase">Fields inherited from class&nbsp;org.apache.jena.graph.impl.<a href="../graph/impl/GraphBase.html" title="class in org.apache.jena.graph.impl">GraphBase</a></h3>
<code><a href="../graph/impl/GraphBase.html#TOSTRING_TRIPLE_BASE">TOSTRING_TRIPLE_BASE</a>, <a href="../graph/impl/GraphBase.html#TOSTRING_TRIPLE_LIMIT">TOSTRING_TRIPLE_LIMIT</a></code></div>
<div class="inherited-list">
<h3 id="fields-inherited-from-class-org.apache.jena.graph.Graph">Fields inherited from interface&nbsp;org.apache.jena.graph.<a href="../graph/Graph.html" title="interface in org.apache.jena.graph">Graph</a></h3>
<code><a href="../graph/Graph.html#emptyGraph">emptyGraph</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-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-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#clear()" class="member-name-link">clear</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Remove all the statements from this graph.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="GraphMem2.html" title="class in org.apache.jena.mem2">GraphMem2</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#copy()" class="member-name-link">copy</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Creates a copy of this graph.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#destroy()" class="member-name-link">destroy</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Subclasses over-ride this method to release any resources they no
longer need once fully closed.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../graph/Capabilities.html" title="interface in org.apache.jena.graph">Capabilities</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getCapabilities()" class="member-name-link">getCapabilities</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">returns this Graph's capabilities</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#graphBaseContains(org.apache.jena.graph.Triple)" class="member-name-link">graphBaseContains</a><wbr>(<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&nbsp;tripleMatch)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Answer true if the graph contains any triple matching <code>t</code>.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../util/iterator/ExtendedIterator.html" title="interface in org.apache.jena.util.iterator">ExtendedIterator</a>&lt;<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#graphBaseFind(org.apache.jena.graph.Triple)" class="member-name-link">graphBaseFind</a><wbr>(<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&nbsp;tripleMatch)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns an <a href="../util/iterator/ExtendedIterator.html" title="interface in org.apache.jena.util.iterator"><code>ExtendedIterator</code></a> of all triples in the graph matching the given triple match.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#graphBaseSize()" class="member-name-link">graphBaseSize</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Answer the number of triples in this graph.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#performAdd(org.apache.jena.graph.Triple)" class="member-name-link">performAdd</a><wbr>(<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&nbsp;t)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Add a triple to the graph without notifying.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#performDelete(org.apache.jena.graph.Triple)" class="member-name-link">performDelete</a><wbr>(<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&nbsp;t)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Remove a triple from the triple store.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/stream/Stream.html" title="class or interface in java.util.stream" class="external-link">Stream</a>&lt;<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#stream()" class="member-name-link">stream</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns a <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/stream/Stream.html" title="class or interface in java.util.stream" class="external-link"><code>Stream</code></a> of all triples in the graph.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/stream/Stream.html" title="class or interface in java.util.stream" class="external-link">Stream</a>&lt;<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#stream(org.apache.jena.graph.Node,org.apache.jena.graph.Node,org.apache.jena.graph.Node)" class="member-name-link">stream</a><wbr>(<a href="../graph/Node.html" title="class in org.apache.jena.graph">Node</a>&nbsp;sm,
<a href="../graph/Node.html" title="class in org.apache.jena.graph">Node</a>&nbsp;pm,
<a href="../graph/Node.html" title="class in org.apache.jena.graph">Node</a>&nbsp;om)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns a <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/stream/Stream.html" title="class or interface in java.util.stream" class="external-link"><code>Stream</code></a> of Triples matching a pattern.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.jena.mem.GraphMemBase">Methods inherited from class&nbsp;org.apache.jena.mem.<a href="../mem/GraphMemBase.html" title="class in org.apache.jena.mem">GraphMemBase</a></h3>
<code><a href="../mem/GraphMemBase.html#close()">close</a>, <a href="../mem/GraphMemBase.html#openAgain()">openAgain</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.jena.graph.impl.GraphBase">Methods inherited from class&nbsp;org.apache.jena.graph.impl.<a href="../graph/impl/GraphBase.html" title="class in org.apache.jena.graph.impl">GraphBase</a></h3>
<code><a href="../graph/impl/GraphBase.html#add(org.apache.jena.graph.Triple)">add</a>, <a href="../graph/impl/GraphBase.html#contains(org.apache.jena.graph.Node,org.apache.jena.graph.Node,org.apache.jena.graph.Node)">contains</a>, <a href="../graph/impl/GraphBase.html#contains(org.apache.jena.graph.Triple)">contains</a>, <a href="../graph/impl/GraphBase.html#delete(org.apache.jena.graph.Triple)">delete</a>, <a href="../graph/impl/GraphBase.html#dependsOn(org.apache.jena.graph.Graph)">dependsOn</a>, <a href="../graph/impl/GraphBase.html#find(org.apache.jena.graph.Node,org.apache.jena.graph.Node,org.apache.jena.graph.Node)">find</a>, <a href="../graph/impl/GraphBase.html#find(org.apache.jena.graph.Triple)">find</a>, <a href="../graph/impl/GraphBase.html#forTestingOnly_graphBaseFind(org.apache.jena.graph.Triple)">forTestingOnly_graphBaseFind</a>, <a href="../graph/impl/GraphBase.html#getEventManager()">getEventManager</a>, <a href="../graph/impl/GraphBase.html#getPrefixMapping()">getPrefixMapping</a>, <a href="../graph/impl/GraphBase.html#getTransactionHandler()">getTransactionHandler</a>, <a href="../graph/impl/GraphBase.html#isClosed()">isClosed</a>, <a href="../graph/impl/GraphBase.html#isEmpty()">isEmpty</a>, <a href="../graph/impl/GraphBase.html#isIsomorphicWith(org.apache.jena.graph.Graph)">isIsomorphicWith</a>, <a href="../graph/impl/GraphBase.html#notifyAdd(org.apache.jena.graph.Triple)">notifyAdd</a>, <a href="../graph/impl/GraphBase.html#notifyDelete(org.apache.jena.graph.Triple)">notifyDelete</a>, <a href="../graph/impl/GraphBase.html#remove(org.apache.jena.graph.Node,org.apache.jena.graph.Node,org.apache.jena.graph.Node)">remove</a>, <a href="../graph/impl/GraphBase.html#size()">size</a>, <a href="../graph/impl/GraphBase.html#toString()">toString</a>, <a href="../graph/impl/GraphBase.html#toString(java.lang.String,org.apache.jena.graph.Graph)">toString</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#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>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.jena.graph.Graph">Methods inherited from interface&nbsp;org.apache.jena.graph.<a href="../graph/Graph.html" title="interface in org.apache.jena.graph">Graph</a></h3>
<code><a href="../graph/Graph.html#add(org.apache.jena.graph.Node,org.apache.jena.graph.Node,org.apache.jena.graph.Node)">add</a>, <a href="../graph/Graph.html#add(org.apache.jena.graph.Triple)">add</a>, <a href="../graph/Graph.html#close()">close</a>, <a href="../graph/Graph.html#contains(org.apache.jena.graph.Node,org.apache.jena.graph.Node,org.apache.jena.graph.Node)">contains</a>, <a href="../graph/Graph.html#contains(org.apache.jena.graph.Triple)">contains</a>, <a href="../graph/Graph.html#delete(org.apache.jena.graph.Node,org.apache.jena.graph.Node,org.apache.jena.graph.Node)">delete</a>, <a href="../graph/Graph.html#delete(org.apache.jena.graph.Triple)">delete</a>, <a href="../graph/Graph.html#dependsOn(org.apache.jena.graph.Graph)">dependsOn</a>, <a href="../graph/Graph.html#find()">find</a>, <a href="../graph/Graph.html#find(org.apache.jena.graph.Node,org.apache.jena.graph.Node,org.apache.jena.graph.Node)">find</a>, <a href="../graph/Graph.html#find(org.apache.jena.graph.Triple)">find</a>, <a href="../graph/Graph.html#getEventManager()">getEventManager</a>, <a href="../graph/Graph.html#getPrefixMapping()">getPrefixMapping</a>, <a href="../graph/Graph.html#getTransactionHandler()">getTransactionHandler</a>, <a href="../graph/Graph.html#isClosed()">isClosed</a>, <a href="../graph/Graph.html#isEmpty()">isEmpty</a>, <a href="../graph/Graph.html#isIsomorphicWith(org.apache.jena.graph.Graph)">isIsomorphicWith</a>, <a href="../graph/Graph.html#remove(org.apache.jena.graph.Node,org.apache.jena.graph.Node,org.apache.jena.graph.Node)">remove</a>, <a href="../graph/Graph.html#size()">size</a>, <a href="../graph/Graph.html#sizeLong()">sizeLong</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="destroy()">
<h3>destroy</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">destroy</span>()</div>
<div class="block">Subclasses over-ride this method to release any resources they no
longer need once fully closed.</div>
</section>
</li>
<li>
<section class="detail" id="clear()">
<h3>clear</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">clear</span>()</div>
<div class="block">Remove all the statements from this graph.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../graph/Graph.html#clear()">clear</a></code>&nbsp;in interface&nbsp;<code><a href="../graph/Graph.html" title="interface in org.apache.jena.graph">Graph</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../graph/impl/GraphBase.html#clear()">clear</a></code>&nbsp;in class&nbsp;<code><a href="../graph/impl/GraphBase.html" title="class in org.apache.jena.graph.impl">GraphBase</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="performAdd(org.apache.jena.graph.Triple)">
<h3>performAdd</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">performAdd</span><wbr><span class="parameters">(<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&nbsp;t)</span></div>
<div class="block">Add a triple to the graph without notifying. The default implementation throws an
AddDeniedException; subclasses must override if they want to be able to
add triples.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../graph/impl/GraphWithPerform.html#performAdd(org.apache.jena.graph.Triple)">performAdd</a></code>&nbsp;in interface&nbsp;<code><a href="../graph/impl/GraphWithPerform.html" title="interface in org.apache.jena.graph.impl">GraphWithPerform</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../graph/impl/GraphBase.html#performAdd(org.apache.jena.graph.Triple)">performAdd</a></code>&nbsp;in class&nbsp;<code><a href="../graph/impl/GraphBase.html" title="class in org.apache.jena.graph.impl">GraphBase</a></code></dd>
<dt>Parameters:</dt>
<dd><code>t</code> - triple to add</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="performDelete(org.apache.jena.graph.Triple)">
<h3>performDelete</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">performDelete</span><wbr><span class="parameters">(<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&nbsp;t)</span></div>
<div class="block">Remove a triple from the triple store. The default implementation throws
a DeleteDeniedException; subclasses must override if they want to be able
to remove triples.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../graph/impl/GraphWithPerform.html#performDelete(org.apache.jena.graph.Triple)">performDelete</a></code>&nbsp;in interface&nbsp;<code><a href="../graph/impl/GraphWithPerform.html" title="interface in org.apache.jena.graph.impl">GraphWithPerform</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../graph/impl/GraphBase.html#performDelete(org.apache.jena.graph.Triple)">performDelete</a></code>&nbsp;in class&nbsp;<code><a href="../graph/impl/GraphBase.html" title="class in org.apache.jena.graph.impl">GraphBase</a></code></dd>
<dt>Parameters:</dt>
<dd><code>t</code> - triple to delete</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="stream()">
<h3>stream</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/stream/Stream.html" title="class or interface in java.util.stream" class="external-link">Stream</a>&lt;<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&gt;</span>&nbsp;<span class="element-name">stream</span>()</div>
<div class="block">Returns a <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/stream/Stream.html" title="class or interface in java.util.stream" class="external-link"><code>Stream</code></a> of all triples in the graph.
Note: <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/stream/BaseStream.html#parallel()" title="class or interface in java.util.stream" class="external-link"><code>BaseStream.parallel()</code></a> is supported.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../graph/Graph.html#stream()">stream</a></code>&nbsp;in interface&nbsp;<code><a href="../graph/Graph.html" title="interface in org.apache.jena.graph">Graph</a></code></dd>
<dt>Returns:</dt>
<dd>a stream of triples in this graph.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="stream(org.apache.jena.graph.Node,org.apache.jena.graph.Node,org.apache.jena.graph.Node)">
<h3>stream</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/stream/Stream.html" title="class or interface in java.util.stream" class="external-link">Stream</a>&lt;<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&gt;</span>&nbsp;<span class="element-name">stream</span><wbr><span class="parameters">(<a href="../graph/Node.html" title="class in org.apache.jena.graph">Node</a>&nbsp;sm,
<a href="../graph/Node.html" title="class in org.apache.jena.graph">Node</a>&nbsp;pm,
<a href="../graph/Node.html" title="class in org.apache.jena.graph">Node</a>&nbsp;om)</span></div>
<div class="block">Returns a <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/stream/Stream.html" title="class or interface in java.util.stream" class="external-link"><code>Stream</code></a> of Triples matching a pattern.
Note: <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/stream/BaseStream.html#parallel()" title="class or interface in java.util.stream" class="external-link"><code>BaseStream.parallel()</code></a> is supported.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../graph/Graph.html#stream(org.apache.jena.graph.Node,org.apache.jena.graph.Node,org.apache.jena.graph.Node)">stream</a></code>&nbsp;in interface&nbsp;<code><a href="../graph/Graph.html" title="interface in org.apache.jena.graph">Graph</a></code></dd>
<dt>Parameters:</dt>
<dd><code>sm</code> - subject node match pattern</dd>
<dd><code>pm</code> - predicate node match pattern</dd>
<dd><code>om</code> - object node match pattern</dd>
<dt>Returns:</dt>
<dd>a stream of triples in this graph matching the pattern.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="graphBaseFind(org.apache.jena.graph.Triple)">
<h3>graphBaseFind</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../util/iterator/ExtendedIterator.html" title="interface in org.apache.jena.util.iterator">ExtendedIterator</a>&lt;<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&gt;</span>&nbsp;<span class="element-name">graphBaseFind</span><wbr><span class="parameters">(<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&nbsp;tripleMatch)</span></div>
<div class="block">Returns an <a href="../util/iterator/ExtendedIterator.html" title="interface in org.apache.jena.util.iterator"><code>ExtendedIterator</code></a> of all triples in the graph matching the given triple match.</div>
</section>
</li>
<li>
<section class="detail" id="graphBaseContains(org.apache.jena.graph.Triple)">
<h3>graphBaseContains</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">graphBaseContains</span><wbr><span class="parameters">(<a href="../graph/Triple.html" title="class in org.apache.jena.graph">Triple</a>&nbsp;tripleMatch)</span></div>
<div class="block">Answer true if the graph contains any triple matching <code>t</code>.
The default implementation uses <code>find</code> and checks to see
if the iterator is non-empty.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>tripleMatch</code> - triple match pattern, which may be contained</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="graphBaseSize()">
<h3>graphBaseSize</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name">graphBaseSize</span>()</div>
<div class="block">Answer the number of triples in this graph. Default implementation counts its
way through the results of a findAll. Subclasses must override if they want
size() to be efficient.</div>
</section>
</li>
<li>
<section class="detail" id="getCapabilities()">
<h3>getCapabilities</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="../graph/Capabilities.html" title="interface in org.apache.jena.graph">Capabilities</a></span>&nbsp;<span class="element-name">getCapabilities</span>()</div>
<div class="block"><span class="descfrm-type-label">Description copied from interface:&nbsp;<code><a href="../graph/Graph.html#getCapabilities()">Graph</a></code></span></div>
<div class="block">returns this Graph's capabilities</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="../graph/Graph.html#getCapabilities()">getCapabilities</a></code>&nbsp;in interface&nbsp;<code><a href="../graph/Graph.html" title="interface in org.apache.jena.graph">Graph</a></code></dd>
<dt>Overrides:</dt>
<dd><code><a href="../graph/impl/GraphBase.html#getCapabilities()">getCapabilities</a></code>&nbsp;in class&nbsp;<code><a href="../graph/impl/GraphBase.html" title="class in org.apache.jena.graph.impl">GraphBase</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="copy()">
<h3>copy</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="GraphMem2.html" title="class in org.apache.jena.mem2">GraphMem2</a></span>&nbsp;<span class="element-name">copy</span>()</div>
<div class="block">Creates a copy of this graph.
Since the triples and nodes are immutable, the copy contains the same triples and nodes as this graph.
Modifications to the copy will not affect this graph.</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code>copy</code>&nbsp;in interface&nbsp;<code>org.apache.jena.atlas.lib.Copyable&lt;<a href="GraphMem2.html" title="class in org.apache.jena.mem2">GraphMem2</a>&gt;</code></dd>
<dt>Returns:</dt>
<dd>independent copy of the current graph</dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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