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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.datasketches.tuple.arrayofdoubles</a></div>
<h2 title="Interface ArrayOfDoublesSketchIterator" class="title">Interface ArrayOfDoublesSketchIterator</h2>
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<pre>public interface <span class="typeNameLabel">ArrayOfDoublesSketchIterator</span></pre>
<div class="block">Interface for iterating over tuple sketches of type ArrayOfDoubles</div>
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<td class="colFirst"><code>long</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getKey()">getKey</a></span>()</code></th>
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<div class="block">Gets a key from the current entry in the sketch, which is a hash
of the original key passed to update().</div>
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<td class="colFirst"><code>double[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValues()">getValues</a></span>()</code></th>
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<div class="block">Gets an array of values from the current entry in the sketch.</div>
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<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#next()">next</a></span>()</code></th>
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<div class="block">Advancing the iterator and checking existence of the next entry
is combined here for efficiency.</div>
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<h4>next</h4>
<pre class="methodSignature">boolean&nbsp;next()</pre>
<div class="block">Advancing the iterator and checking existence of the next entry
is combined here for efficiency. This results in an undefined
state of the iterator before the first call of this method.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the next element exists</dd>
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<h4>getKey</h4>
<pre class="methodSignature">long&nbsp;getKey()</pre>
<div class="block">Gets a key from the current entry in the sketch, which is a hash
of the original key passed to update(). The original keys are not
retained. Don't call this before calling next() for the first time
or after getting false from next().</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>hash key from the current entry</dd>
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<h4>getValues</h4>
<pre class="methodSignature">double[]&nbsp;getValues()</pre>
<div class="block">Gets an array of values from the current entry in the sketch.
Don't call this before calling next() for the first time
or after getting false from next().</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>array of double values for the current entry (may or may not be a copy)</dd>
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