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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="../../../../org/apache/datasketches/tuple/package-summary.html">org.apache.datasketches.tuple</a></div>
<h2 title="Class Intersection" class="title">Class Intersection&lt;S extends <a href="../../../../org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</h2>
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<li>org.apache.datasketches.tuple.Intersection&lt;S&gt;</li>
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<dd><code>S</code> - Type of Summary</dd>
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<pre>public class <span class="typeNameLabel">Intersection&lt;S extends <a href="../../../../org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</span>
extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Computes an intersection of two or more generic tuple sketches or generic tuple sketches
combined with theta sketches.
A new instance represents the Universal Set. Because the Universal Set
cannot be realized a <i>getResult()</i> on a new instance will produce an error.
Every update() computes an intersection with the internal state, which will never
grow larger and may be reduced to zero.</div>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/Intersection.html#Intersection-org.apache.datasketches.tuple.SummarySetOperations-">Intersection</a></span>&#8203;(<a href="../../../../org/apache/datasketches/tuple/SummarySetOperations.html" title="interface in org.apache.datasketches.tuple">SummarySetOperations</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;summarySetOps)</code></th>
<td class="colLast">
<div class="block">Creates new Intersection instance with instructions on how to process two summaries that
intersect.</div>
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<td class="colFirst"><code><a href="../../../../org/apache/datasketches/tuple/CompactSketch.html" title="class in org.apache.datasketches.tuple">CompactSketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/Intersection.html#getResult--">getResult</a></span>&#8203;()</code></th>
<td class="colLast">
<div class="block">Gets the internal set as an unordered CompactSketch</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/Intersection.html#hasResult--">hasResult</a></span>&#8203;()</code></th>
<td class="colLast">
<div class="block">Returns true if there is a valid intersection result available</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/Intersection.html#intersect-org.apache.datasketches.theta.Sketch-S-">intersect</a></span>&#8203;(<a href="../../../../org/apache/datasketches/theta/Sketch.html" title="class in org.apache.datasketches.theta">Sketch</a>&nbsp;thetaSketch,
<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&nbsp;summary)</code></th>
<td class="colLast">
<div class="block">Performs a stateful intersection of the internal set with the given thetaSketch by combining entries
using the hashes from the theta sketch and summary values from the given summary and rules
from the summarySetOps defined by the Intersection constructor.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/Intersection.html#intersect-org.apache.datasketches.tuple.Sketch-">intersect</a></span>&#8203;(<a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;tupleSketch)</code></th>
<td class="colLast">
<div class="block">Performs a stateful intersection of the internal set with the given tupleSketch.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/datasketches/tuple/CompactSketch.html" title="class in org.apache.datasketches.tuple">CompactSketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/Intersection.html#intersect-org.apache.datasketches.tuple.Sketch-org.apache.datasketches.theta.Sketch-S-">intersect</a></span>&#8203;(<a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;tupleSketch,
<a href="../../../../org/apache/datasketches/theta/Sketch.html" title="class in org.apache.datasketches.theta">Sketch</a>&nbsp;thetaSketch,
<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&nbsp;summary)</code></th>
<td class="colLast">
<div class="block">Perform a stateless intersect set operation on a tuple sketch and a theta sketch and returns the
result as an unordered CompactSketch on the heap.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/datasketches/tuple/CompactSketch.html" title="class in org.apache.datasketches.tuple">CompactSketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/Intersection.html#intersect-org.apache.datasketches.tuple.Sketch-org.apache.datasketches.tuple.Sketch-">intersect</a></span>&#8203;(<a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;tupleSketchA,
<a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;tupleSketchB)</code></th>
<td class="colLast">
<div class="block">Perform a stateless intersect set operation on the two given tuple sketches and returns the
result as an unordered CompactSketch on the heap.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/Intersection.html#reset--">reset</a></span>&#8203;()</code></th>
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<div class="block">Resets the internal set to the initial state, which represents the Universal Set</div>
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<h4>Intersection</h4>
<pre>public&nbsp;Intersection&#8203;(<a href="../../../../org/apache/datasketches/tuple/SummarySetOperations.html" title="interface in org.apache.datasketches.tuple">SummarySetOperations</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;summarySetOps)</pre>
<div class="block">Creates new Intersection instance with instructions on how to process two summaries that
intersect.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>summarySetOps</code> - instance of SummarySetOperations</dd>
</dl>
</li>
</ul>
</li>
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<h4>intersect</h4>
<pre>public&nbsp;<a href="../../../../org/apache/datasketches/tuple/CompactSketch.html" title="class in org.apache.datasketches.tuple">CompactSketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;intersect&#8203;(<a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;tupleSketchA,
<a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;tupleSketchB)</pre>
<div class="block">Perform a stateless intersect set operation on the two given tuple sketches and returns the
result as an unordered CompactSketch on the heap.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tupleSketchA</code> - The first sketch argument. It must not be null.</dd>
<dd><code>tupleSketchB</code> - The second sketch argument. It must not be null.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an unordered CompactSketch on the heap</dd>
</dl>
</li>
</ul>
<a name="intersect-org.apache.datasketches.tuple.Sketch-org.apache.datasketches.theta.Sketch-org.apache.datasketches.tuple.Summary-">
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<h4>intersect</h4>
<pre>public&nbsp;<a href="../../../../org/apache/datasketches/tuple/CompactSketch.html" title="class in org.apache.datasketches.tuple">CompactSketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;intersect&#8203;(<a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;tupleSketch,
<a href="../../../../org/apache/datasketches/theta/Sketch.html" title="class in org.apache.datasketches.theta">Sketch</a>&nbsp;thetaSketch,
<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&nbsp;summary)</pre>
<div class="block">Perform a stateless intersect set operation on a tuple sketch and a theta sketch and returns the
result as an unordered CompactSketch on the heap.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tupleSketch</code> - The first sketch argument. It must not be null.</dd>
<dd><code>thetaSketch</code> - The second sketch argument. It must not be null.</dd>
<dd><code>summary</code> - the given proxy summary for the theta sketch, which doesn't have one.
This must not be null.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an unordered CompactSketch on the heap</dd>
</dl>
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<h4>intersect</h4>
<pre>public&nbsp;void&nbsp;intersect&#8203;(<a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;tupleSketch)</pre>
<div class="block">Performs a stateful intersection of the internal set with the given tupleSketch.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tupleSketch</code> - input sketch to intersect with the internal state. It must not be null.</dd>
</dl>
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</ul>
<a name="intersect-org.apache.datasketches.theta.Sketch-org.apache.datasketches.tuple.Summary-">
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<h4>intersect</h4>
<pre>public&nbsp;void&nbsp;intersect&#8203;(<a href="../../../../org/apache/datasketches/theta/Sketch.html" title="class in org.apache.datasketches.theta">Sketch</a>&nbsp;thetaSketch,
<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&nbsp;summary)</pre>
<div class="block">Performs a stateful intersection of the internal set with the given thetaSketch by combining entries
using the hashes from the theta sketch and summary values from the given summary and rules
from the summarySetOps defined by the Intersection constructor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>thetaSketch</code> - input theta sketch to intersect with the internal state. It must not be null.</dd>
<dd><code>summary</code> - the given proxy summary for the theta sketch, which doesn't have one.
It will be copied for each matching index. It must not be null.</dd>
</dl>
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<h4>getResult</h4>
<pre>public&nbsp;<a href="../../../../org/apache/datasketches/tuple/CompactSketch.html" title="class in org.apache.datasketches.tuple">CompactSketch</a>&lt;<a href="../../../../org/apache/datasketches/tuple/Intersection.html" title="type parameter in Intersection">S</a>&gt;&nbsp;getResult&#8203;()</pre>
<div class="block">Gets the internal set as an unordered CompactSketch</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>result of the intersections so far</dd>
</dl>
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<h4>hasResult</h4>
<pre>public&nbsp;boolean&nbsp;hasResult&#8203;()</pre>
<div class="block">Returns true if there is a valid intersection result available</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if there is a valid intersection result available</dd>
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<h4>reset</h4>
<pre>public&nbsp;void&nbsp;reset&#8203;()</pre>
<div class="block">Resets the internal set to the initial state, which represents the Universal Set</div>
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