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<title>DescribeHandler (Apache Jena ARQ)</title>
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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.core.describe</a></div>
<h1 title="Interface DescribeHandler" class="title">Interface DescribeHandler</h1>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Known Implementing Classes:</dt>
<dd><code><a href="DescribeBNodeClosure.html" title="class in org.apache.jena.sparql.core.describe">DescribeBNodeClosure</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">DescribeHandler</span></div>
<div class="block">A DescribeHandler provides the description of a resource. DESCRIBE queries return
RDF that describes the resource found, either from the query pattern or explicitly
named in the DESCRIBE clause. For each resource, any handlers are called to builds
the RDF model that is to be the result of the query.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
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<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-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button></div>
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<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-tab3"><code>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#describe(org.apache.jena.rdf.model.Resource)" class="member-name-link">describe</a><wbr>(org.apache.jena.rdf.model.Resource&nbsp;resource)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Called on everything resource found by a query.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#finish()" class="member-name-link">finish</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Finish the description process for this query execution</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#start(org.apache.jena.rdf.model.Model,org.apache.jena.sparql.util.Context)" class="member-name-link">start</a><wbr>(org.apache.jena.rdf.model.Model&nbsp;accumulateResultModel,
<a href="../../util/Context.html" title="class in org.apache.jena.sparql.util">Context</a>&nbsp;qContext)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Start the describe process, passing in the result model.</div>
</div>
</div>
</div>
</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="start(org.apache.jena.rdf.model.Model,org.apache.jena.sparql.util.Context)">
<h3>start</h3>
<div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">start</span><wbr><span class="parameters">(org.apache.jena.rdf.model.Model&nbsp;accumulateResultModel,
<a href="../../util/Context.html" title="class in org.apache.jena.sparql.util">Context</a>&nbsp;qContext)</span></div>
<div class="block">Start the describe process, passing in the result model.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>accumulateResultModel</code> - </dd>
<dd><code>qContext</code> - Query execution context</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="describe(org.apache.jena.rdf.model.Resource)">
<h3>describe</h3>
<div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">describe</span><wbr><span class="parameters">(org.apache.jena.rdf.model.Resource&nbsp;resource)</span></div>
<div class="block">Called on everything resource found by a query. Can add more RDF to the model
provided. May choose to add nothing.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>resource</code> - resource to describe</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="finish()">
<h3>finish</h3>
<div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">finish</span>()</div>
<div class="block">Finish the description process for this query execution</div>
</section>
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</section>
</li>
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