org.apache.druid.query.aggregation.last

Class DoubleLastAggregator

java.lang.Object

org.apache.druid.query.aggregation.last.NumericLastAggregator<BaseDoubleColumnValueSelector>

org.apache.druid.query.aggregation.last.DoubleLastAggregator

All Implemented Interfaces:

Closeable, AutoCloseable, Aggregator

public class DoubleLastAggregator
extends NumericLastAggregator<BaseDoubleColumnValueSelector>

Constructor Summary

Constructors

Constructor and Description
DoubleLastAggregator(BaseLongColumnValueSelector timeSelector, BaseDoubleColumnValueSelector valueSelector)

Method Summary

Modifier and Type	Method and Description
Object	get()
double	getDouble() The default implementation casts Aggregator.getFloat() to double.
float	getFloat()
long	getLong()

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

aggregate, close

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.Aggregator

isNull

Constructor Detail

DoubleLastAggregator

public DoubleLastAggregator(BaseLongColumnValueSelector timeSelector,
                            BaseDoubleColumnValueSelector valueSelector)

Method Detail

get

public Object get()

getFloat

public float getFloat()

getLong

public long getLong()

getDouble

public double getDouble()

Description copied from interface: Aggregator

The default implementation casts Aggregator.getFloat() to double. This default method is added to enable smooth backward compatibility, please re-implement it if your aggregators work with numeric double columns.