org.apache.druid.query.aggregation

Class StringColumnFloatAggregatorWrapper

java.lang.Object

org.apache.druid.query.aggregation.DelegatingAggregator

org.apache.druid.query.aggregation.StringColumnFloatAggregatorWrapper

All Implemented Interfaces:

Closeable, AutoCloseable, Aggregator

public class StringColumnFloatAggregatorWrapper
extends DelegatingAggregator

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

Field Summary

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

delegate

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	aggregate()

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

Constructor Detail

StringColumnFloatAggregatorWrapper

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

Method Detail

aggregate

public void aggregate()

Specified by:

aggregate in interface Aggregator

Overrides:

aggregate in class DelegatingAggregator