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| <h2 title="Class TupleSketchIterator" class="title">Class TupleSketchIterator<S extends <a href="Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>></h2> |
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| <li>org.apache.datasketches.tuple.TupleSketchIterator<S></li> |
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| <dd><code>S</code> - Type of Summary</dd> |
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| <pre>public class <span class="typeNameLabel">TupleSketchIterator<S extends <a href="Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>></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" class="externalLink">Object</a></pre> |
| <div class="block">Iterator over a generic tuple sketch</div> |
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| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getHash()">getHash</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the hash 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="TupleSketchIterator.html" title="type parameter in TupleSketchIterator">S</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSummary()">getSummary</a></span>()</code></th> |
| <td class="colLast"> |
| <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> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#next()">next</a></span>()</code></th> |
| <td class="colLast"> |
| <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">public boolean 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> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the next element exists</dd> |
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| <pre class="methodSignature">public long getHash()</pre> |
| <div class="block">Gets the hash 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> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>hash from the current entry</dd> |
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| <pre class="methodSignature">public <a href="TupleSketchIterator.html" title="type parameter in TupleSketchIterator">S</a> 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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