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| <div class="subTitle">com.yahoo.sketches.quantiles</div> |
| <h2 title="Class DoublesSketchBuilder" class="title">Class DoublesSketchBuilder</h2> |
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| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
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| <pre>public class <span class="typeNameLabel">DoublesSketchBuilder</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">For building a new quantiles DoublesSketch.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>Lee Rhodes</dd> |
| </dl> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/yahoo/sketches/quantiles/DoublesSketchBuilder.html#DoublesSketchBuilder--">DoublesSketchBuilder</a></span>()</code> |
| <div class="block">Constructor for a new DoublesSketchBuilder.</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../com/yahoo/sketches/quantiles/UpdateDoublesSketch.html" title="class in com.yahoo.sketches.quantiles">UpdateDoublesSketch</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/yahoo/sketches/quantiles/DoublesSketchBuilder.html#build--">build</a></span>()</code> |
| <div class="block">Returns an UpdateDoublesSketch with the current configuration of this Builder.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../com/yahoo/sketches/quantiles/UpdateDoublesSketch.html" title="class in com.yahoo.sketches.quantiles">UpdateDoublesSketch</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/yahoo/sketches/quantiles/DoublesSketchBuilder.html#build-com.yahoo.memory.WritableMemory-">build</a></span>(com.yahoo.memory.WritableMemory dstMem)</code> |
| <div class="block">Returns a quantiles UpdateDoublesSketch with the current configuration of this builder |
| and the specified backing destination Memory store.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/yahoo/sketches/quantiles/DoublesSketchBuilder.html#getK--">getK</a></span>()</code> |
| <div class="block">Gets the current configured value of <i>k</i></div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../com/yahoo/sketches/quantiles/DoublesSketchBuilder.html" title="class in com.yahoo.sketches.quantiles">DoublesSketchBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/yahoo/sketches/quantiles/DoublesSketchBuilder.html#setK-int-">setK</a></span>(int k)</code> |
| <div class="block">Sets the parameter <i>k</i> that determines the accuracy and size of the sketch.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/yahoo/sketches/quantiles/DoublesSketchBuilder.html#toString--">toString</a></span>()</code> |
| <div class="block">Creates a human readable string that describes the current configuration of this builder.</div> |
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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">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">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">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">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">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">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">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">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">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">wait</a></code></li> |
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| <h4>DoublesSketchBuilder</h4> |
| <pre>public DoublesSketchBuilder()</pre> |
| <div class="block">Constructor for a new DoublesSketchBuilder. The default configuration is |
| <ul> |
| <li>k: 128. This produces a normalized rank error of about 1.7%</li> |
| <li>Memory: null</li> |
| </ul></div> |
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| <h4>setK</h4> |
| <pre>public <a href="../../../../com/yahoo/sketches/quantiles/DoublesSketchBuilder.html" title="class in com.yahoo.sketches.quantiles">DoublesSketchBuilder</a> setK(int k)</pre> |
| <div class="block">Sets the parameter <i>k</i> that determines the accuracy and size of the sketch.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>k</code> - determines the accuracy and size of the sketch. |
| It is recommended that <i>k</i> be a power of 2 to enable unioning of sketches with |
| different values of <i>k</i>. It is only possible to union from |
| larger values of <i>k</i> to smaller values.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this builder</dd> |
| </dl> |
| </li> |
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| <h4>getK</h4> |
| <pre>public int getK()</pre> |
| <div class="block">Gets the current configured value of <i>k</i></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the current configured value of <i>k</i></dd> |
| </dl> |
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| <h4>build</h4> |
| <pre>public <a href="../../../../com/yahoo/sketches/quantiles/UpdateDoublesSketch.html" title="class in com.yahoo.sketches.quantiles">UpdateDoublesSketch</a> build()</pre> |
| <div class="block">Returns an UpdateDoublesSketch with the current configuration of this Builder.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a UpdateDoublesSketch</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>build</h4> |
| <pre>public <a href="../../../../com/yahoo/sketches/quantiles/UpdateDoublesSketch.html" title="class in com.yahoo.sketches.quantiles">UpdateDoublesSketch</a> build(com.yahoo.memory.WritableMemory dstMem)</pre> |
| <div class="block">Returns a quantiles UpdateDoublesSketch with the current configuration of this builder |
| and the specified backing destination Memory store.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dstMem</code> - destination memory for use by the sketch</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an UpdateDoublesSketch</dd> |
| </dl> |
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| <h4>toString</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString()</pre> |
| <div class="block">Creates a human readable string that describes the current configuration of this builder.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code> in class <code><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></code></dd> |
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