Package org.apache.druid.query.aggregation.first

Class DoubleFirstVectorAggregator

java.lang.Object

org.apache.druid.query.aggregation.first.NumericFirstVectorAggregator

org.apache.druid.query.aggregation.first.DoubleFirstVectorAggregator

All Implemented Interfaces:

VectorAggregator

public class DoubleFirstVectorAggregator
extends NumericFirstVectorAggregator

Constructor Summary

Constructors

Constructor	Description
DoubleFirstVectorAggregator(VectorValueSelector timeSelector, VectorValueSelector valueSelector)

Method Summary

Modifier and Type	Method	Description
Object	get(ByteBuffer buf, int position)	Same as BufferAggregator.get(java.nio.ByteBuffer, int).
void	initValue(ByteBuffer buf, int position)

Methods inherited from class org.apache.druid.query.aggregation.first.NumericFirstVectorAggregator

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

DoubleFirstVectorAggregator

public DoubleFirstVectorAggregator(VectorValueSelector timeSelector,
                                   VectorValueSelector valueSelector)

Method Detail

initValue

public void initValue(ByteBuffer buf,
                      int position)

get

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

Description copied from interface: VectorAggregator

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

Returns:

The object as a pair with the position and the value stored at the position in the buffer.