org.apache.druid.query.aggregation.last

Class DoubleLastVectorAggregator

java.lang.Object

org.apache.druid.query.aggregation.last.NumericLastVectorAggregator

org.apache.druid.query.aggregation.last.DoubleLastVectorAggregator

All Implemented Interfaces:

VectorAggregator

public class DoubleLastVectorAggregator
extends NumericLastVectorAggregator

Vectorized version of on heap 'last' aggregator for column selectors with type DOUBLE..

Constructor Summary

Constructors

Constructor and Description
DoubleLastVectorAggregator(VectorValueSelector timeSelector, VectorValueSelector valueSelector)

Method Summary

Modifier and Type	Method and Description
Object	get(ByteBuffer buf, int position) Same as BufferAggregator.get(java.nio.ByteBuffer, int).
void	initValue(ByteBuffer buf, int position) Abstract function which needs to be overridden by subclasses to set the initial value

Methods inherited from class org.apache.druid.query.aggregation.last.NumericLastVectorAggregator

aggregate, aggregate, close, init

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.query.aggregation.VectorAggregator

relocate

Constructor Detail

DoubleLastVectorAggregator

public DoubleLastVectorAggregator(VectorValueSelector timeSelector,
                                  VectorValueSelector valueSelector)

Method Detail

initValue

public void initValue(ByteBuffer buf,
                      int position)

Description copied from class: NumericLastVectorAggregator

Abstract function which needs to be overridden by subclasses to set the initial value

get

@Nullable
public Object get(ByteBuffer buf,
                            int position)

Description copied from interface: VectorAggregator

Same as BufferAggregator.get(java.nio.ByteBuffer, int).