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<title>QueryIterProjectMerge (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.engine.iterator</a></div>
<h1 title="Class QueryIterProjectMerge" class="title">Class QueryIterProjectMerge</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="../../util/PrintSerializableBase.html" title="class in org.apache.jena.sparql.util">org.apache.jena.sparql.util.PrintSerializableBase</a>
<div class="inheritance"><a href="QueryIteratorBase.html" title="class in org.apache.jena.sparql.engine.iterator">org.apache.jena.sparql.engine.iterator.QueryIteratorBase</a>
<div class="inheritance"><a href="QueryIter.html" title="class in org.apache.jena.sparql.engine.iterator">org.apache.jena.sparql.engine.iterator.QueryIter</a>
<div class="inheritance"><a href="QueryIter1.html" title="class in org.apache.jena.sparql.engine.iterator">org.apache.jena.sparql.engine.iterator.QueryIter1</a>
<div class="inheritance"><a href="QueryIterRepeatApply.html" title="class in org.apache.jena.sparql.engine.iterator">org.apache.jena.sparql.engine.iterator.QueryIterRepeatApply</a>
<div class="inheritance">org.apache.jena.sparql.engine.iterator.QueryIterProjectMerge</div>
</div>
</div>
</div>
</div>
</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a>&lt;<a href="../binding/Binding.html" title="interface in org.apache.jena.sparql.engine.binding">Binding</a>&gt;</code>, <code>org.apache.jena.atlas.io.Printable</code>, <code>org.apache.jena.atlas.iterator.IteratorCloseable&lt;<a href="../binding/Binding.html" title="interface in org.apache.jena.sparql.engine.binding">Binding</a>&gt;</code>, <code>org.apache.jena.atlas.lib.Closeable</code>, <code><a href="../QueryIterator.html" title="interface in org.apache.jena.sparql.engine">QueryIterator</a></code>, <code><a href="../../util/PrintSerializable.html" title="interface in org.apache.jena.sparql.util">PrintSerializable</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">QueryIterProjectMerge</span>
<span class="extends-implements">extends <a href="QueryIterRepeatApply.html" title="class in org.apache.jena.sparql.engine.iterator">QueryIterRepeatApply</a></span></div>
<div class="block">Execute a projection in the middle of an execution. This requires the outcome
of each stage of execution (substitution evaluation assumed) to be merged with
the input binding. Bindings should already be compatible, otherwise this code
should not be used.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== 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(org.apache.jena.sparql.algebra.op.OpProject,org.apache.jena.sparql.engine.QueryIterator,org.apache.jena.sparql.engine.main.OpExecutor,org.apache.jena.sparql.engine.ExecutionContext)" class="member-name-link">QueryIterProjectMerge</a><wbr>(<a href="../../algebra/op/OpProject.html" title="class in org.apache.jena.sparql.algebra.op">OpProject</a>&nbsp;opProject,
<a href="../QueryIterator.html" title="interface in org.apache.jena.sparql.engine">QueryIterator</a>&nbsp;input,
<a href="../main/OpExecutor.html" title="class in org.apache.jena.sparql.engine.main">OpExecutor</a>&nbsp;engine,
<a href="../ExecutionContext.html" title="class in org.apache.jena.sparql.engine">ExecutionContext</a>&nbsp;execCxt)</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 class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.jena.sparql.engine.iterator.QueryIter1">Methods inherited from class&nbsp;org.apache.jena.sparql.engine.iterator.<a href="QueryIter1.html" title="class in org.apache.jena.sparql.engine.iterator">QueryIter1</a></h3>
<code><a href="QueryIter1.html#output(org.apache.jena.atlas.io.IndentedWriter,org.apache.jena.sparql.serializer.SerializationContext)">output</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.jena.sparql.engine.iterator.QueryIter">Methods inherited from class&nbsp;org.apache.jena.sparql.engine.iterator.<a href="QueryIter.html" title="class in org.apache.jena.sparql.engine.iterator">QueryIter</a></h3>
<code><a href="QueryIter.html#close()">close</a>, <a href="QueryIter.html#flatMap(org.apache.jena.sparql.engine.QueryIterator,java.util.function.Function,org.apache.jena.sparql.engine.ExecutionContext)">flatMap</a>, <a href="QueryIter.html#getExecContext()">getExecContext</a>, <a href="QueryIter.html#getIteratorNumber()">getIteratorNumber</a>, <a href="QueryIter.html#makeTracked(org.apache.jena.sparql.engine.QueryIterator,org.apache.jena.sparql.engine.ExecutionContext)">makeTracked</a>, <a href="QueryIter.html#map(org.apache.jena.sparql.engine.QueryIterator,java.util.Map)">map</a>, <a href="QueryIter.html#materialize(org.apache.jena.sparql.engine.QueryIterator)">materialize</a>, <a href="QueryIter.html#materialize(org.apache.jena.sparql.engine.QueryIterator,org.apache.jena.sparql.engine.ExecutionContext)">materialize</a>, <a href="QueryIter.html#output(org.apache.jena.atlas.io.IndentedWriter)">output</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.jena.sparql.engine.iterator.QueryIteratorBase">Methods inherited from class&nbsp;org.apache.jena.sparql.engine.iterator.<a href="QueryIteratorBase.html" title="class in org.apache.jena.sparql.engine.iterator">QueryIteratorBase</a></h3>
<code><a href="QueryIteratorBase.html#cancel()">cancel</a>, <a href="QueryIteratorBase.html#hasNext()">hasNext</a>, <a href="QueryIteratorBase.html#next()">next</a>, <a href="QueryIteratorBase.html#nextBinding()">nextBinding</a>, <a href="QueryIteratorBase.html#remove()">remove</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.jena.sparql.util.PrintSerializableBase">Methods inherited from class&nbsp;org.apache.jena.sparql.util.<a href="../../util/PrintSerializableBase.html" title="class in org.apache.jena.sparql.util">PrintSerializableBase</a></h3>
<code><a href="../../util/PrintSerializableBase.html#toString()">toString</a>, <a href="../../util/PrintSerializableBase.html#toString(org.apache.jena.shared.PrefixMapping)">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-java.util.Iterator">Methods inherited from interface&nbsp;java.util.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link">Iterator</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Iterator.html#forEachRemaining(java.util.function.Consumer)" title="class or interface in java.util" class="external-link">forEachRemaining</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.jena.sparql.util.PrintSerializable">Methods inherited from interface&nbsp;org.apache.jena.sparql.util.<a href="../../util/PrintSerializable.html" title="interface in org.apache.jena.sparql.util">PrintSerializable</a></h3>
<code><a href="../../util/PrintSerializable.html#toString(org.apache.jena.shared.PrefixMapping)">toString</a></code></div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.jena.sparql.engine.QueryIterator">Methods inherited from interface&nbsp;org.apache.jena.sparql.engine.<a href="../QueryIterator.html" title="interface in org.apache.jena.sparql.engine">QueryIterator</a></h3>
<code><a href="../QueryIterator.html#isJoinIdentity()">isJoinIdentity</a></code></div>
</section>
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<section class="details">
<ul class="details-list">
<!-- ========= 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;(org.apache.jena.sparql.algebra.op.OpProject,org.apache.jena.sparql.engine.QueryIterator,org.apache.jena.sparql.engine.main.OpExecutor,org.apache.jena.sparql.engine.ExecutionContext)">
<h3>QueryIterProjectMerge</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">QueryIterProjectMerge</span><wbr><span class="parameters">(<a href="../../algebra/op/OpProject.html" title="class in org.apache.jena.sparql.algebra.op">OpProject</a>&nbsp;opProject,
<a href="../QueryIterator.html" title="interface in org.apache.jena.sparql.engine">QueryIterator</a>&nbsp;input,
<a href="../main/OpExecutor.html" title="class in org.apache.jena.sparql.engine.main">OpExecutor</a>&nbsp;engine,
<a href="../ExecutionContext.html" title="class in org.apache.jena.sparql.engine">ExecutionContext</a>&nbsp;execCxt)</span></div>
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