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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="../../../../org/apache/datasketches/tuple/package-summary.html">org.apache.datasketches.tuple</a></div> |
| <h2 title="Class UpdatableSketch" class="title">Class UpdatableSketch<U,S extends <a href="../../../../org/apache/datasketches/tuple/UpdatableSummary.html" title="interface in org.apache.datasketches.tuple">UpdatableSummary</a><U>></h2> |
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| <li><a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">org.apache.datasketches.tuple.Sketch</a><S></li> |
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| <ul class="inheritance"> |
| <li>org.apache.datasketches.tuple.UpdatableSketch<U,S></li> |
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| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>U</code> - Type of the value, which is passed to update method of a Summary</dd> |
| <dd><code>S</code> - Type of the UpdatableSummary<U></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="../../../../org/apache/datasketches/tuple/strings/ArrayOfStringsSketch.html" title="class in org.apache.datasketches.tuple.strings">ArrayOfStringsSketch</a></code>, <code><a href="../../../../org/apache/datasketches/tuple/adouble/DoubleSketch.html" title="class in org.apache.datasketches.tuple.adouble">DoubleSketch</a></code>, <code><a href="../../../../org/apache/datasketches/tuple/aninteger/IntegerSketch.html" title="class in org.apache.datasketches.tuple.aninteger">IntegerSketch</a></code></dd> |
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| <pre>public class <span class="typeNameLabel">UpdatableSketch<U,S extends <a href="../../../../org/apache/datasketches/tuple/UpdatableSummary.html" title="interface in org.apache.datasketches.tuple">UpdatableSummary</a><U>></span> |
| extends <a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a><S></pre> |
| <div class="block">An extension of QuickSelectSketch<S>, which can be updated with many types of keys. |
| Summary objects are created using a user-defined SummaryFactory class, |
| which should allow very flexible parameterization if needed. |
| Keys are presented to a sketch along with values of a user-defined |
| update type U. When an entry is inserted into a sketch or a duplicate key is |
| presented to a sketch then summary.update(U value) method will be called. So |
| any kind of user-defined accumulation is possible. Summaries also must know |
| how to copy themselves. Also union and intersection of summaries can be |
| implemented in a sub-class of SummarySetOperations, which will be used in |
| case Union or Intersection of two instances of Tuple Sketch is needed</div> |
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| <h3>Fields inherited from class org.apache.datasketches.tuple.<a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a></h3> |
| <code><a href="../../../../org/apache/datasketches/tuple/Sketch.html#PREAMBLE_LONGS">PREAMBLE_LONGS</a></code></li> |
| </ul> |
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| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#UpdatableSketch-int-int-float-org.apache.datasketches.tuple.SummaryFactory-">UpdatableSketch</a></span>​(int nomEntries, |
| int lgResizeFactor, |
| float samplingProbability, |
| <a href="../../../../org/apache/datasketches/tuple/SummaryFactory.html" title="interface in org.apache.datasketches.tuple">SummaryFactory</a><<a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">S</a>> summaryFactory)</code></th> |
| <td class="colLast"> |
| <div class="block">This is to create a new instance of an UpdatableQuickSelectSketch.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#UpdatableSketch-org.apache.datasketches.memory.Memory-org.apache.datasketches.tuple.SummaryDeserializer-org.apache.datasketches.tuple.SummaryFactory-">UpdatableSketch</a></span>​(org.apache.datasketches.memory.Memory srcMem, |
| <a href="../../../../org/apache/datasketches/tuple/SummaryDeserializer.html" title="interface in org.apache.datasketches.tuple">SummaryDeserializer</a><<a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">S</a>> deserializer, |
| <a href="../../../../org/apache/datasketches/tuple/SummaryFactory.html" title="interface in org.apache.datasketches.tuple">SummaryFactory</a><<a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">S</a>> summaryFactory)</code></th> |
| <td class="colLast"> |
| <div class="block">This is to create an instance of a sketch given a serialized form</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/datasketches/tuple/CompactSketch.html" title="class in org.apache.datasketches.tuple">CompactSketch</a><S></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#compact--">compact</a></span>​()</code></th> |
| <td class="colLast"> |
| <div class="block">Converts the current state of the sketch into a compact sketch</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#getCountLessThanThetaLong-long-">getCountLessThanThetaLong</a></span>​(long 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> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#getCurrentCapacity--">getCurrentCapacity</a></span>​()</code></th> |
| <td class="colLast"> |
| <div class="block">Get current capacity</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#getLgK--">getLgK</a></span>​()</code></th> |
| <td class="colLast"> |
| <div class="block">Get log_base2 of Nominal Entries</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#getNominalEntries--">getNominalEntries</a></span>​()</code></th> |
| <td class="colLast"> |
| <div class="block">Get configured nominal number of entries</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/datasketches/ResizeFactor.html" title="enum in org.apache.datasketches">ResizeFactor</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#getResizeFactor--">getResizeFactor</a></span>​()</code></th> |
| <td class="colLast"> |
| <div class="block">Get configured resize factor</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#getRetainedEntries--">getRetainedEntries</a></span>​()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>float</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#getSamplingProbability--">getSamplingProbability</a></span>​()</code></th> |
| <td class="colLast"> |
| <div class="block">Get configured sampling probability</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#insertSummary-int-S-">insertSummary</a></span>​(int index, |
| S summary)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/datasketches/tuple/SketchIterator.html" title="class in org.apache.datasketches.tuple">SketchIterator</a><S></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#iterator--">iterator</a></span>​()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a SketchIterator</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#reset--">reset</a></span>​()</code></th> |
| <td class="colLast"> |
| <div class="block">Resets this sketch an empty state.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>byte[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#toByteArray--">toByteArray</a></span>​()</code></th> |
| <td class="colLast"> |
| <div class="block">This is to serialize an instance to a byte array.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#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="i13" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#update-byte:A-U-">update</a></span>​(byte[] key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</code></th> |
| <td class="colLast"> |
| <div class="block">Updates this sketch with a byte[] key and U value.</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="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#update-double-U-">update</a></span>​(double key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</code></th> |
| <td class="colLast"> |
| <div class="block">Updates this sketch with a double key and U value.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#update-int:A-U-">update</a></span>​(int[] key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</code></th> |
| <td class="colLast"> |
| <div class="block">Updates this sketch with a int[] key and U value.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#update-long:A-U-">update</a></span>​(long[] key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</code></th> |
| <td class="colLast"> |
| <div class="block">Updates this sketch with a long[] key and U value.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#update-long-U-">update</a></span>​(long key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</code></th> |
| <td class="colLast"> |
| <div class="block">Updates this sketch with a long key and U value.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html#update-java.lang.String-U-">update</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</code></th> |
| <td class="colLast"> |
| <div class="block">Updates this sketch with a String key and U value.</div> |
| </td> |
| </tr> |
| </table> |
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| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/9/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/9/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/9/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/9/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/9/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/9/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/9/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/9/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/9/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/9/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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| <ul class="blockList"> |
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| </a> |
| <h3>Methods inherited from class org.apache.datasketches.tuple.<a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a></h3> |
| <code><a href="../../../../org/apache/datasketches/tuple/Sketch.html#getEstimate--">getEstimate</a>, <a href="../../../../org/apache/datasketches/tuple/Sketch.html#getEstimate-int-">getEstimate</a>, <a href="../../../../org/apache/datasketches/tuple/Sketch.html#getLowerBound-int-">getLowerBound</a>, <a href="../../../../org/apache/datasketches/tuple/Sketch.html#getLowerBound-int-int-">getLowerBound</a>, <a href="../../../../org/apache/datasketches/tuple/Sketch.html#getTheta--">getTheta</a>, <a href="../../../../org/apache/datasketches/tuple/Sketch.html#getThetaLong--">getThetaLong</a>, <a href="../../../../org/apache/datasketches/tuple/Sketch.html#getUpperBound-int-">getUpperBound</a>, <a href="../../../../org/apache/datasketches/tuple/Sketch.html#getUpperBound-int-int-">getUpperBound</a>, <a href="../../../../org/apache/datasketches/tuple/Sketch.html#isEmpty--">isEmpty</a>, <a href="../../../../org/apache/datasketches/tuple/Sketch.html#isEstimationMode--">isEstimationMode</a>, <a href="../../../../org/apache/datasketches/tuple/Sketch.html#toString--">toString</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <li class="blockList"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <h3>Constructor Detail</h3> |
| <a name="UpdatableSketch-int-int-float-org.apache.datasketches.tuple.SummaryFactory-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>UpdatableSketch</h4> |
| <pre>public UpdatableSketch​(int nomEntries, |
| int lgResizeFactor, |
| float samplingProbability, |
| <a href="../../../../org/apache/datasketches/tuple/SummaryFactory.html" title="interface in org.apache.datasketches.tuple">SummaryFactory</a><<a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">S</a>> summaryFactory)</pre> |
| <div class="block">This is to create a new instance of an UpdatableQuickSelectSketch.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>nomEntries</code> - Nominal number of entries. Forced to the nearest power of 2 greater than |
| or equal to the given value.</dd> |
| <dd><code>lgResizeFactor</code> - log2(resizeFactor) - value from 0 to 3: |
| <pre> |
| 0 - no resizing (max size allocated), |
| 1 - double internal hash table each time it reaches a threshold |
| 2 - grow four times |
| 3 - grow eight times (default) |
| </pre></dd> |
| <dd><code>samplingProbability</code> - <a href="../../../../resources/dictionary.html#p">See Sampling Probability</a></dd> |
| <dd><code>summaryFactory</code> - An instance of a SummaryFactory.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="UpdatableSketch-org.apache.datasketches.memory.Memory-org.apache.datasketches.tuple.SummaryDeserializer-org.apache.datasketches.tuple.SummaryFactory-"> |
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| <ul class="blockListLast"> |
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| <h4>UpdatableSketch</h4> |
| <pre>public UpdatableSketch​(org.apache.datasketches.memory.Memory srcMem, |
| <a href="../../../../org/apache/datasketches/tuple/SummaryDeserializer.html" title="interface in org.apache.datasketches.tuple">SummaryDeserializer</a><<a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">S</a>> deserializer, |
| <a href="../../../../org/apache/datasketches/tuple/SummaryFactory.html" title="interface in org.apache.datasketches.tuple">SummaryFactory</a><<a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">S</a>> summaryFactory)</pre> |
| <div class="block">This is to create an instance of a sketch given a serialized form</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>srcMem</code> - Memory object with data of a serialized UpdatableSketch</dd> |
| <dd><code>deserializer</code> - instance of SummaryDeserializer</dd> |
| <dd><code>summaryFactory</code> - instance of SummaryFactory</dd> |
| </dl> |
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| <h3>Method Detail</h3> |
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| <h4>update</h4> |
| <pre>public void update​(long key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</pre> |
| <div class="block">Updates this sketch with a long key and U value. |
| The value is passed to update() method of the Summary object associated with the key</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - The given long key</dd> |
| <dd><code>value</code> - The given U value</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="update-double-java.lang.Object-"> |
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| <h4>update</h4> |
| <pre>public void update​(double key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</pre> |
| <div class="block">Updates this sketch with a double key and U value. |
| The value is passed to update() method of the Summary object associated with the key</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - The given double key</dd> |
| <dd><code>value</code> - The given U value</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="update-java.lang.String-java.lang.Object-"> |
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| <h4>update</h4> |
| <pre>public void update​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</pre> |
| <div class="block">Updates this sketch with a String key and U value. |
| The value is passed to update() method of the Summary object associated with the key</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - The given String key</dd> |
| <dd><code>value</code> - The given U value</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="update-byte:A-java.lang.Object-"> |
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| <h4>update</h4> |
| <pre>public void update​(byte[] key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</pre> |
| <div class="block">Updates this sketch with a byte[] key and U value. |
| The value is passed to update() method of the Summary object associated with the key</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - The given byte[] key</dd> |
| <dd><code>value</code> - The given U value</dd> |
| </dl> |
| </li> |
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| <a name="update-int:A-java.lang.Object-"> |
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| <ul class="blockList"> |
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| <h4>update</h4> |
| <pre>public void update​(int[] key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</pre> |
| <div class="block">Updates this sketch with a int[] key and U value. |
| The value is passed to update() method of the Summary object associated with the key</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - The given int[] key</dd> |
| <dd><code>value</code> - The given U value</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="update-long:A-java.lang.Object-"> |
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| <h4>update</h4> |
| <pre>public void update​(long[] key, |
| <a href="../../../../org/apache/datasketches/tuple/UpdatableSketch.html" title="type parameter in UpdatableSketch">U</a> value)</pre> |
| <div class="block">Updates this sketch with a long[] key and U value. |
| The value is passed to update() method of the Summary object associated with the key</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>key</code> - The given long[] key</dd> |
| <dd><code>value</code> - The given U value</dd> |
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| </li> |
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| <a name="getRetainedEntries--"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getRetainedEntries</h4> |
| <pre>public int getRetainedEntries​()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/datasketches/tuple/Sketch.html#getRetainedEntries--">getRetainedEntries</a></code> in class <code><a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a><S extends <a href="../../../../org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>number of retained entries</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getCountLessThanThetaLong-long-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getCountLessThanThetaLong</h4> |
| <pre>public int getCountLessThanThetaLong​(long thetaLong)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../org/apache/datasketches/tuple/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="../../../../org/apache/datasketches/tuple/Sketch.html#getCountLessThanThetaLong-long-">getCountLessThanThetaLong</a></code> in class <code><a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a><S extends <a href="../../../../org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>></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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| </li> |
| </ul> |
| <a name="getNominalEntries--"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNominalEntries</h4> |
| <pre>public int 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> |
| </dl> |
| </li> |
| </ul> |
| <a name="getLgK--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getLgK</h4> |
| <pre>public int 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> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSamplingProbability--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSamplingProbability</h4> |
| <pre>public float getSamplingProbability​()</pre> |
| <div class="block">Get configured sampling probability</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>sampling probability</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getCurrentCapacity--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getCurrentCapacity</h4> |
| <pre>public int getCurrentCapacity​()</pre> |
| <div class="block">Get current capacity</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>current capacity</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getResizeFactor--"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getResizeFactor</h4> |
| <pre>public <a href="../../../../org/apache/datasketches/ResizeFactor.html" title="enum in org.apache.datasketches">ResizeFactor</a> getResizeFactor​()</pre> |
| <div class="block">Get configured resize factor</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>resize factor</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="trim--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>trim</h4> |
| <pre>public void trim​()</pre> |
| <div class="block">Rebuilds reducing the actual number of entries to the nominal number of entries if needed</div> |
| </li> |
| </ul> |
| <a name="reset--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>reset</h4> |
| <pre>public void reset​()</pre> |
| <div class="block">Resets this sketch an empty state.</div> |
| </li> |
| </ul> |
| <a name="compact--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>compact</h4> |
| <pre>public <a href="../../../../org/apache/datasketches/tuple/CompactSketch.html" title="class in org.apache.datasketches.tuple">CompactSketch</a><S> 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="../../../../org/apache/datasketches/tuple/Sketch.html#compact--">compact</a></code> in class <code><a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a><S extends <a href="../../../../org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>compact sketch</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toByteArray--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toByteArray</h4> |
| <pre>public byte[] toByteArray​()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../org/apache/datasketches/tuple/Sketch.html#toByteArray--">Sketch</a></code></span></div> |
| <div class="block">This is to serialize an instance to a byte array.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/datasketches/tuple/Sketch.html#toByteArray--">toByteArray</a></code> in class <code><a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a><S extends <a href="../../../../org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>serialized representation of the sketch</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="insertSummary-int-org.apache.datasketches.tuple.Summary-"> |
| <!-- --> |
| </a><a name="insertSummary-int-S-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>insertSummary</h4> |
| <pre>protected void insertSummary​(int index, |
| S summary)</pre> |
| </li> |
| </ul> |
| <a name="iterator--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>iterator</h4> |
| <pre>public <a href="../../../../org/apache/datasketches/tuple/SketchIterator.html" title="class in org.apache.datasketches.tuple">SketchIterator</a><S> iterator​()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../org/apache/datasketches/tuple/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="../../../../org/apache/datasketches/tuple/Sketch.html#iterator--">iterator</a></code> in class <code><a href="../../../../org/apache/datasketches/tuple/Sketch.html" title="class in org.apache.datasketches.tuple">Sketch</a><S extends <a href="../../../../org/apache/datasketches/tuple/Summary.html" title="interface in org.apache.datasketches.tuple">Summary</a>></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a SketchIterator</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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