S - type of Summarypublic final class CompactSketch<S extends Summary> extends Sketch<S>
PREAMBLE_LONGS, summaryFactory_| Modifier and Type | Method and Description |
|---|---|
CompactSketch<S> |
compact()
Converts this sketch to a CompactSketch on the Java heap.
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int |
getCountLessThanThetaLong(long thetaLong)
Gets the number of hash values less than the given theta expressed as a long.
|
int |
getRetainedEntries() |
TupleSketchIterator<S> |
iterator()
Returns a SketchIterator
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byte[] |
toByteArray()
This is to serialize a sketch instance to a byte array.
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getEstimate, getEstimate, getLowerBound, getLowerBound, getSummaryFactory, getTheta, getThetaLong, getUpperBound, getUpperBound, isEmpty, isEstimationMode, toStringpublic CompactSketch<S> compact()
SketchIf this sketch is already in compact form this operation returns this.
public int getRetainedEntries()
getRetainedEntries in class Sketch<S extends Summary>public int getCountLessThanThetaLong(long thetaLong)
SketchgetCountLessThanThetaLong in class Sketch<S extends Summary>thetaLong - the given theta as a long between zero and Long.MAX_VALUE.public byte[] toByteArray()
SketchAs of 3.0.0, serializing an UpdatableSketch is deprecated. This capability will be removed in a future release. Serializing a CompactSketch is not deprecated.
toByteArray in class Sketch<S extends Summary>Copyright © 2015–2024 The Apache Software Foundation. All rights reserved.