org.apache.druid.query.aggregation.first

Class NumericFirstAggregator<TSelector extends BaseNullableColumnValueSelector>

java.lang.Object

org.apache.druid.query.aggregation.first.NumericFirstAggregator<TSelector>

All Implemented Interfaces:

Closeable, AutoCloseable, Aggregator

Direct Known Subclasses:

DoubleFirstAggregator, FloatFirstAggregator, LongFirstAggregator

public abstract class NumericFirstAggregator<TSelector extends BaseNullableColumnValueSelector>
extends Object
implements Aggregator

Base type for on heap 'first' aggregator for primitive numeric column selectors

Constructor Summary

Constructors

Constructor and Description
NumericFirstAggregator(BaseLongColumnValueSelector timeSelector, TSelector valueSelector)

Method Summary

Modifier and Type	Method and Description
void	aggregate()
void	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

get, getDouble, getFloat, getLong, isNull

Constructor Detail

NumericFirstAggregator

public NumericFirstAggregator(BaseLongColumnValueSelector timeSelector,
                              TSelector valueSelector)

Method Detail

aggregate

public void aggregate()

Specified by:

aggregate in interface Aggregator

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Aggregator