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

Class LongFirstAggregator

java.lang.Object

org.apache.druid.query.aggregation.firstlast.first.NumericFirstAggregator

org.apache.druid.query.aggregation.firstlast.first.LongFirstAggregator

All Implemented Interfaces:

Closeable, AutoCloseable, Aggregator

public class LongFirstAggregator
extends NumericFirstAggregator

Constructor Summary

Constructors

Constructor	Description
LongFirstAggregator(BaseLongColumnValueSelector timeSelector, ColumnValueSelector valueSelector, boolean needsFoldCheck)

Method Summary

Modifier and Type	Method	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.firstlast.first.NumericFirstAggregator

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

aggregateWithSize, isNull

Constructor Details

LongFirstAggregator

public LongFirstAggregator(BaseLongColumnValueSelector timeSelector,
 ColumnValueSelector valueSelector,
 boolean needsFoldCheck)

Method Details

get

public Object get()

getFloat

public float getFloat()

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.

getLong

public long getLong()