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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.datasketches.tuple.strings</a></div>
<h2 title="Class ArrayOfStringsSketch" class="title">Class ArrayOfStringsSketch</h2>
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<li><a href="../Sketch.html" title="class in org.apache.datasketches.tuple">org.apache.datasketches.tuple.Sketch</a>&lt;S&gt;</li>
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<li><a href="../UpdatableSketch.html" title="class in org.apache.datasketches.tuple">org.apache.datasketches.tuple.UpdatableSketch</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>[],&#8203;<a href="ArrayOfStringsSummary.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSummary</a>&gt;</li>
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<li>org.apache.datasketches.tuple.strings.ArrayOfStringsSketch</li>
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<pre>public class <span class="typeNameLabel">ArrayOfStringsSketch</span>
extends <a href="../UpdatableSketch.html" title="class in org.apache.datasketches.tuple">UpdatableSketch</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>[],&#8203;<a href="ArrayOfStringsSummary.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSummary</a>&gt;</pre>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Lee Rhodes</dd>
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<code><a href="../Sketch.html#PREAMBLE_LONGS">PREAMBLE_LONGS</a>, <a href="../Sketch.html#summaryFactory_">summaryFactory_</a></code></li>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">ArrayOfStringsSketch</a></span>()</code></th>
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<div class="block">Constructs new sketch with default <i>K</i> = 4096 (<i>lgK</i> = 12), default ResizeFactor=X8,
and default <i>p</i> = 1.0.</div>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int)">ArrayOfStringsSketch</a></span>&#8203;(int&nbsp;lgK)</code></th>
<td class="colLast">
<div class="block">Constructs new sketch with default ResizeFactor=X8, default <i>p</i> = 1.0 and given <i>lgK</i>.</div>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int,org.apache.datasketches.common.ResizeFactor,float)">ArrayOfStringsSketch</a></span>&#8203;(int&nbsp;lgK,
<a href="../../common/ResizeFactor.html" title="enum in org.apache.datasketches.common">ResizeFactor</a>&nbsp;rf,
float&nbsp;p)</code></th>
<td class="colLast">
<div class="block">Constructs new sketch with given ResizeFactor, <i>p</i> and <i>lgK</i>.</div>
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<tr class="rowColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.datasketches.memory.Memory)">ArrayOfStringsSketch</a></span>&#8203;(org.apache.datasketches.memory.Memory&nbsp;mem)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">As of 3.0.0, heapifying an UpdatableSketch is deprecated.</div>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.datasketches.tuple.strings.ArrayOfStringsSketch)">ArrayOfStringsSketch</a></span>&#8203;(<a href="ArrayOfStringsSketch.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSketch</a>&nbsp;sketch)</code></th>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
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<td class="colFirst"><code><a href="../CompactSketch.html" title="class in org.apache.datasketches.tuple">CompactSketch</a>&lt;S&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#compact()">compact</a></span>()</code></th>
<td class="colLast">
<div class="block">Converts the current state of the sketch into a compact sketch</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="ArrayOfStringsSketch.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSketch</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#copy()">copy</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCountLessThanThetaLong(long)">getCountLessThanThetaLong</a></span>&#8203;(long&nbsp;thetaLong)</code></th>
<td class="colLast">
<div class="block">Gets the number of hash values less than the given theta expressed as a long.</div>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCurrentCapacity()">getCurrentCapacity</a></span>()</code></th>
<td class="colLast">
<div class="block">Get current capacity</div>
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<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLgK()">getLgK</a></span>()</code></th>
<td class="colLast">
<div class="block">Get log_base2 of Nominal Entries</div>
</td>
</tr>
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<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNominalEntries()">getNominalEntries</a></span>()</code></th>
<td class="colLast">
<div class="block">Get configured nominal number of entries</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../common/ResizeFactor.html" title="enum in org.apache.datasketches.common">ResizeFactor</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getResizeFactor()">getResizeFactor</a></span>()</code></th>
<td class="colLast">
<div class="block">Get configured resize factor</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRetainedEntries()">getRetainedEntries</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>float</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSamplingProbability()">getSamplingProbability</a></span>()</code></th>
<td class="colLast">
<div class="block">Get configured sampling probability</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#insertSummary(int,S)">insertSummary</a></span>&#8203;(int&nbsp;index,
S&nbsp;summary)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../TupleSketchIterator.html" title="class in org.apache.datasketches.tuple">TupleSketchIterator</a>&lt;S&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#iterator()">iterator</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns a SketchIterator</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#reset()">reset</a></span>()</code></th>
<td class="colLast">
<div class="block">Resets this sketch an empty state.</div>
</td>
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<tr id="i12" class="altColor">
<td class="colFirst"><code>byte[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toByteArray()">toByteArray</a></span>()</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">As of 3.0.0, serializing an UpdatableSketch is deprecated.</div>
</div>
</td>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#trim()">trim</a></span>()</code></th>
<td class="colLast">
<div class="block">Rebuilds reducing the actual number of entries to the nominal number of entries if needed</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#update(java.lang.String%5B%5D,java.lang.String%5B%5D)">update</a></span>&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>[]&nbsp;strArrKey,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>[]&nbsp;strArr)</code></th>
<td class="colLast">
<div class="block">Updates the sketch with String arrays for both key and value.</div>
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<code><a href="../UpdatableSketch.html#update(byte%5B%5D,U)">update</a>, <a href="../UpdatableSketch.html#update(double,U)">update</a>, <a href="../UpdatableSketch.html#update(int%5B%5D,U)">update</a>, <a href="../UpdatableSketch.html#update(long%5B%5D,U)">update</a>, <a href="../UpdatableSketch.html#update(long,U)">update</a>, <a href="../UpdatableSketch.html#update(java.lang.String,U)">update</a></code></li>
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<code><a href="../Sketch.html#getEstimate()">getEstimate</a>, <a href="../Sketch.html#getEstimate(int)">getEstimate</a>, <a href="../Sketch.html#getLowerBound(int)">getLowerBound</a>, <a href="../Sketch.html#getLowerBound(int,int)">getLowerBound</a>, <a href="../Sketch.html#getSummaryFactory()">getSummaryFactory</a>, <a href="../Sketch.html#getTheta()">getTheta</a>, <a href="../Sketch.html#getThetaLong()">getThetaLong</a>, <a href="../Sketch.html#getUpperBound(int)">getUpperBound</a>, <a href="../Sketch.html#getUpperBound(int,int)">getUpperBound</a>, <a href="../Sketch.html#isEmpty()">isEmpty</a>, <a href="../Sketch.html#isEstimationMode()">isEstimationMode</a>, <a href="../Sketch.html#toString()">toString</a></code></li>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></li>
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<h4>ArrayOfStringsSketch</h4>
<pre>public&nbsp;ArrayOfStringsSketch()</pre>
<div class="block">Constructs new sketch with default <i>K</i> = 4096 (<i>lgK</i> = 12), default ResizeFactor=X8,
and default <i>p</i> = 1.0.</div>
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<h4>ArrayOfStringsSketch</h4>
<pre>public&nbsp;ArrayOfStringsSketch&#8203;(int&nbsp;lgK)</pre>
<div class="block">Constructs new sketch with default ResizeFactor=X8, default <i>p</i> = 1.0 and given <i>lgK</i>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>lgK</code> - Log_base2 of <i>Nominal Entries</i>.
<a href="../../../../../resources/dictionary.html#nomEntries">See Nominal Entries</a></dd>
</dl>
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<h4>ArrayOfStringsSketch</h4>
<pre>public&nbsp;ArrayOfStringsSketch&#8203;(int&nbsp;lgK,
<a href="../../common/ResizeFactor.html" title="enum in org.apache.datasketches.common">ResizeFactor</a>&nbsp;rf,
float&nbsp;p)</pre>
<div class="block">Constructs new sketch with given ResizeFactor, <i>p</i> and <i>lgK</i>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>lgK</code> - Log_base2 of <i>Nominal Entries</i>.
<a href="../../../../../resources/dictionary.html#nomEntries">See Nominal Entries</a></dd>
<dd><code>rf</code> - ResizeFactor
<a href="../../../../../resources/dictionary.html#resizeFactor">See Resize Factor</a></dd>
<dd><code>p</code> - sampling probability
<a href="../../../../../resources/dictionary.html#p">See Sampling Probability</a></dd>
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<h4>ArrayOfStringsSketch</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a>
public&nbsp;ArrayOfStringsSketch&#8203;(org.apache.datasketches.memory.Memory&nbsp;mem)</pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">As of 3.0.0, heapifying an UpdatableSketch is deprecated.
This capability will be removed in a future release.
Heapifying a CompactSketch is not deprecated.</div>
</div>
<div class="block">Constructs this sketch from a Memory image, which must be from an ArrayOfStringsSketch, and
usually with data.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>mem</code> - the given Memory</dd>
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<h4>ArrayOfStringsSketch</h4>
<pre>public&nbsp;ArrayOfStringsSketch&#8203;(<a href="ArrayOfStringsSketch.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSketch</a>&nbsp;sketch)</pre>
<div class="block">Copy Constructor</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sketch</code> - the sketch to copy</dd>
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<h4>copy</h4>
<pre class="methodSignature">public&nbsp;<a href="ArrayOfStringsSketch.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSketch</a>&nbsp;copy()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../UpdatableSketch.html#copy()">copy</a></code>&nbsp;in class&nbsp;<code><a href="../UpdatableSketch.html" title="class in org.apache.datasketches.tuple">UpdatableSketch</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>[],&#8203;<a href="ArrayOfStringsSummary.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSummary</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a deep copy of this sketch</dd>
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<h4>update</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;update&#8203;(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>[]&nbsp;strArrKey,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>[]&nbsp;strArr)</pre>
<div class="block">Updates the sketch with String arrays for both key and value.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>strArrKey</code> - the given String array key</dd>
<dd><code>strArr</code> - the given String array value</dd>
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<h4>getRetainedEntries</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getRetainedEntries()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../Sketch.html#getRetainedEntries()">getRetainedEntries</a></code>&nbsp;in class&nbsp;<code><a href="../Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;S extends <a href="../Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>number of retained entries</dd>
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<h4>getCountLessThanThetaLong</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getCountLessThanThetaLong&#8203;(long&nbsp;thetaLong)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../Sketch.html#getCountLessThanThetaLong(long)">Sketch</a></code></span></div>
<div class="block">Gets the number of hash values less than the given theta expressed as a long.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../Sketch.html#getCountLessThanThetaLong(long)">getCountLessThanThetaLong</a></code>&nbsp;in class&nbsp;<code><a href="../Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;S extends <a href="../Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>thetaLong</code> - the given theta as a long between zero and <i>Long.MAX_VALUE</i>.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of hash values less than the given thetaLong.</dd>
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<h4>getNominalEntries</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getNominalEntries()</pre>
<div class="block">Get configured nominal number of entries</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>nominal number of entries</dd>
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<h4>getLgK</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getLgK()</pre>
<div class="block">Get log_base2 of Nominal Entries</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>log_base2 of Nominal Entries</dd>
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<h4>getSamplingProbability</h4>
<pre class="methodSignature">public&nbsp;float&nbsp;getSamplingProbability()</pre>
<div class="block">Get configured sampling probability</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>sampling probability</dd>
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<h4>getCurrentCapacity</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getCurrentCapacity()</pre>
<div class="block">Get current capacity</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>current capacity</dd>
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<h4>getResizeFactor</h4>
<pre class="methodSignature">public&nbsp;<a href="../../common/ResizeFactor.html" title="enum in org.apache.datasketches.common">ResizeFactor</a>&nbsp;getResizeFactor()</pre>
<div class="block">Get configured resize factor</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>resize factor</dd>
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<h4>trim</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;trim()</pre>
<div class="block">Rebuilds reducing the actual number of entries to the nominal number of entries if needed</div>
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<h4>reset</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;reset()</pre>
<div class="block">Resets this sketch an empty state.</div>
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<h4>compact</h4>
<pre class="methodSignature">public&nbsp;<a href="../CompactSketch.html" title="class in org.apache.datasketches.tuple">CompactSketch</a>&lt;S&gt;&nbsp;compact()</pre>
<div class="block">Converts the current state of the sketch into a compact sketch</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../Sketch.html#compact()">compact</a></code>&nbsp;in class&nbsp;<code><a href="../Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;S extends <a href="../Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>compact sketch</dd>
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<h4>toByteArray</h4>
<pre class="methodSignature"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a>
public&nbsp;byte[]&nbsp;toByteArray()</pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
<div class="deprecationComment">As of 3.0.0, serializing an UpdatableSketch is deprecated.
This capability will be removed in a future release.
Serializing a CompactSketch is not deprecated.</div>
</div>
<div class="block">This serializes an UpdatableSketch (QuickSelectSketch).</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../Sketch.html#toByteArray()">toByteArray</a></code>&nbsp;in class&nbsp;<code><a href="../Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;S extends <a href="../Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>serialized representation of an UpdatableSketch (QuickSelectSketch).</dd>
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<pre class="methodSignature">protected&nbsp;void&nbsp;insertSummary&#8203;(int&nbsp;index,
S&nbsp;summary)</pre>
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<h4>iterator</h4>
<pre class="methodSignature">public&nbsp;<a href="../TupleSketchIterator.html" title="class in org.apache.datasketches.tuple">TupleSketchIterator</a>&lt;S&gt;&nbsp;iterator()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../Sketch.html#iterator()">Sketch</a></code></span></div>
<div class="block">Returns a SketchIterator</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../Sketch.html#iterator()">iterator</a></code>&nbsp;in class&nbsp;<code><a href="../Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a>&lt;S extends <a href="../Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>&gt;</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a SketchIterator</dd>
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