com.yahoo.sketches.tuple

Class ArrayOfDoublesUpdatableSketch

java.lang.Object

com.yahoo.sketches.tuple.ArrayOfDoublesSketch

com.yahoo.sketches.tuple.ArrayOfDoublesUpdatableSketch

public abstract class ArrayOfDoublesUpdatableSketch
extends ArrayOfDoublesSketch

The top level for updatable tuple sketches of type ArrayOfDoubles.

Method Summary

Modifier and Type	Method and Description
ArrayOfDoublesCompactSketch	compact() Gets an on-heap compact representation of the sketch
ArrayOfDoublesCompactSketch	compact(Memory dstMem) Gets an off-heap compact representation of the sketch using the given memory
abstract int	getNominalEntries() Gets the configured nominal number of entries
abstract void	trim() Rebuilds reducing the actual number of entries to the nominal number of entries if needed
void	update(byte[] key, double[] values) Updates this sketch with a byte[] key and double values.
void	update(double key, double[] values) Updates this sketch with a double key and double values.
void	update(int[] key, double[] values) Updates this sketch with a int[] key and double values.
void	update(long[] key, double[] values) Updates this sketch with a long[] key and double values.
void	update(long key, double[] values) Updates this sketch with a long key and double values.
void	update(String key, double[] values) Updates this sketch with a String key and double values.

Methods inherited from class com.yahoo.sketches.tuple.ArrayOfDoublesSketch

getEstimate, getLowerBound, getNumValues, getRetainedEntries, getTheta, getUpperBound, getValues, isEmpty, isEstimationMode, iterator, toByteArray

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

update

public void update(long key,
                   double[] values)

Updates this sketch with a long key and double values. The values will be stored or added to the ones associated with the key

Parameters:

key - The given long key

values - The given values

update

public void update(double key,
                   double[] values)

Updates this sketch with a double key and double values. The values will be stored or added to the ones associated with the key

Parameters:

key - The given double key

values - The given values

update

public void update(String key,
                   double[] values)

Updates this sketch with a String key and double values. The values will be stored or added to the ones associated with the key

Parameters:

key - The given String key

values - The given values

update

public void update(byte[] key,
                   double[] values)

Updates this sketch with a byte[] key and double values. The values will be stored or added to the ones associated with the key

Parameters:

key - The given byte[] key

values - The given values

update

public void update(int[] key,
                   double[] values)

Updates this sketch with a int[] key and double values. The values will be stored or added to the ones associated with the key

Parameters:

key - The given int[] key

values - The given values

update

public void update(long[] key,
                   double[] values)

Updates this sketch with a long[] key and double values. The values will be stored or added to the ones associated with the key

Parameters:

key - The given long[] key

values - The given values

getNominalEntries

public abstract int getNominalEntries()

Gets the configured nominal number of entries

Returns:

nominal number of entries

trim

public abstract void trim()

Rebuilds reducing the actual number of entries to the nominal number of entries if needed

compact

public ArrayOfDoublesCompactSketch compact()

Gets an on-heap compact representation of the sketch

Returns:

compact sketch

compact

public ArrayOfDoublesCompactSketch compact(Memory dstMem)

Gets an off-heap compact representation of the sketch using the given memory

Parameters:

dstMem - memory for the compact sketch (can be null)

Returns:

compact sketch (off-heap if memory is provided)