io.druid.query.aggregation.datasketches.quantiles

Class DoublesSketchObjectStrategy

java.lang.Object

io.druid.query.aggregation.datasketches.quantiles.DoublesSketchObjectStrategy

All Implemented Interfaces:

ObjectStrategy<com.yahoo.sketches.quantiles.DoublesSketch>, Comparator<com.yahoo.sketches.quantiles.DoublesSketch>

public class DoublesSketchObjectStrategy
extends Object
implements ObjectStrategy<com.yahoo.sketches.quantiles.DoublesSketch>

Constructor Summary

Constructors

Constructor and Description
DoublesSketchObjectStrategy()

Method Summary

Modifier and Type	Method and Description
int	compare(com.yahoo.sketches.quantiles.DoublesSketch s1, com.yahoo.sketches.quantiles.DoublesSketch s2)
com.yahoo.sketches.quantiles.DoublesSketch	fromByteBuffer(ByteBuffer buffer, int numBytes) Convert values from their underlying byte representation.
Class<? extends com.yahoo.sketches.quantiles.DoublesSketch>	getClazz()
byte[]	toBytes(com.yahoo.sketches.quantiles.DoublesSketch sketch)

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.druid.segment.data.ObjectStrategy

fromByteBufferWithSize, writeTo

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

DoublesSketchObjectStrategy

public DoublesSketchObjectStrategy()

Method Detail

compare

public int compare(com.yahoo.sketches.quantiles.DoublesSketch s1,
                   com.yahoo.sketches.quantiles.DoublesSketch s2)

Specified by:

compare in interface Comparator<com.yahoo.sketches.quantiles.DoublesSketch>

fromByteBuffer

public com.yahoo.sketches.quantiles.DoublesSketch fromByteBuffer(ByteBuffer buffer,
                                                                 int numBytes)

Description copied from interface: ObjectStrategy

Convert values from their underlying byte representation. Implementations of this method may change the given buffer's mark, or limit, and position. Implementations of this method may not store the given buffer in a field of the "deserialized" object, need to use ByteBuffer.slice(), ByteBuffer.asReadOnlyBuffer() or ByteBuffer.duplicate() in this case.

Specified by:

fromByteBuffer in interface ObjectStrategy<com.yahoo.sketches.quantiles.DoublesSketch>

Parameters:

buffer - buffer to read value from

numBytes - number of bytes used to store the value, starting at buffer.position()

Returns:

an object created from the given byte buffer representation

getClazz

public Class<? extends com.yahoo.sketches.quantiles.DoublesSketch> getClazz()

Specified by:

getClazz in interface ObjectStrategy<com.yahoo.sketches.quantiles.DoublesSketch>

toBytes

public byte[] toBytes(com.yahoo.sketches.quantiles.DoublesSketch sketch)

Specified by:

toBytes in interface ObjectStrategy<com.yahoo.sketches.quantiles.DoublesSketch>