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<div class="subTitle">com.yahoo.sketches.tuple</div>
<h2 title="Class SketchIterator" class="title">Class SketchIterator&lt;S extends <a href="../../../../com/yahoo/sketches/tuple/Summary.html" title="interface in com.yahoo.sketches.tuple">Summary</a>&gt;</h2>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>S</code> - Type of Summary</dd>
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<pre>public class <span class="typeNameLabel">SketchIterator&lt;S extends <a href="../../../../com/yahoo/sketches/tuple/Summary.html" title="interface in com.yahoo.sketches.tuple">Summary</a>&gt;</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Iterator over a generic tuple sketch</div>
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<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/yahoo/sketches/tuple/SketchIterator.html#getKey--">getKey</a></span>()</code>
<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><a href="../../../../com/yahoo/sketches/tuple/SketchIterator.html" title="type parameter in SketchIterator">S</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/yahoo/sketches/tuple/SketchIterator.html#getSummary--">getSummary</a></span>()</code>
<div class="block">Gets a Summary object from the current entry in the sketch.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/yahoo/sketches/tuple/SketchIterator.html#next--">next</a></span>()</code>
<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>public&nbsp;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>public&nbsp;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>getSummary</h4>
<pre>public&nbsp;<a href="../../../../com/yahoo/sketches/tuple/SketchIterator.html" title="type parameter in SketchIterator">S</a>&nbsp;getSummary()</pre>
<div class="block">Gets a Summary object 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>Summary object for the current entry (this is not a copy!)</dd>
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