Package org.apache.druid.query.aggregation

Class ObjectColumnFloatAggregatorWrapper

java.lang.Object

org.apache.druid.query.aggregation.DelegatingAggregator

org.apache.druid.query.aggregation.ObjectColumnFloatAggregatorWrapper

All Implemented Interfaces:

Closeable, AutoCloseable, Aggregator

public class ObjectColumnFloatAggregatorWrapper
extends DelegatingAggregator

This class can be used to wrap Float Aggregator that consume float type columns to handle Object type.

Field Summary

Fields inherited from class org.apache.druid.query.aggregation.DelegatingAggregator

delegate

Constructor Summary

Constructors

Constructor	Description
ObjectColumnFloatAggregatorWrapper(BaseObjectColumnValueSelector selector, Function<BaseFloatColumnValueSelector,Aggregator> delegateBuilder, float nullValue)

Method Summary

Modifier and Type	Method	Description
void	aggregate()	Performs aggregation.

Methods inherited from class org.apache.druid.query.aggregation.DelegatingAggregator

close, get, getDouble, getFloat, getLong, isNull

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

Constructor Details

ObjectColumnFloatAggregatorWrapper

public ObjectColumnFloatAggregatorWrapper(BaseObjectColumnValueSelector selector,
 Function<BaseFloatColumnValueSelector,Aggregator> delegateBuilder,
 float nullValue)

Method Details

aggregate

public void aggregate()

Description copied from interface: Aggregator

Performs aggregation.

Specified by:

aggregate in interface Aggregator

Overrides:

aggregate in class DelegatingAggregator