io.druid.query.aggregation

Class ObjectAggregateCombiner<T>

java.lang.Object

io.druid.query.aggregation.ObjectAggregateCombiner<T>

All Implemented Interfaces:

AggregateCombiner<T>, HotLoopCallee, BaseDoubleColumnValueSelector, BaseFloatColumnValueSelector, BaseLongColumnValueSelector, BaseObjectColumnValueSelector<T>, ColumnValueSelector<T>, ObjectColumnSelector<T>

Direct Known Subclasses:

HyperLogLogCollectorAggregateCombiner

public abstract class ObjectAggregateCombiner<T>
extends Object
implements AggregateCombiner<T>, ObjectColumnSelector<T>

Specialization of AggregateCombiner for object aggregations.

Constructor Summary

Constructors

Constructor and Description
ObjectAggregateCombiner()

Method Summary

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.druid.query.aggregation.AggregateCombiner

fold, inspectRuntimeShape, reset

Methods inherited from interface io.druid.segment.ObjectColumnSelector

getDouble, getFloat, getLong

Methods inherited from interface io.druid.segment.BaseObjectColumnValueSelector

classOfObject, getObject

Constructor Detail

ObjectAggregateCombiner

public ObjectAggregateCombiner()