org.apache.flink.api.java.summarize.aggregation

Class DoubleSummaryAggregator.SumDoubleAggregator

java.lang.Object

org.apache.flink.api.java.summarize.aggregation.DoubleSummaryAggregator.SumDoubleAggregator

All Implemented Interfaces:

Serializable, Aggregator<Double,Double>

Enclosing class:

DoubleSummaryAggregator

public static class DoubleSummaryAggregator.SumDoubleAggregator
extends Object
implements Aggregator<Double,Double>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DoubleSummaryAggregator.SumDoubleAggregator()

Method Summary

Methods

Modifier and Type	Method and Description
void	aggregate(Double value) Add a value to the current aggregation
void	combine(Aggregator<Double,Double> other) Combine two aggregations of the same type.
Double	result() Provide the final result of the aggregation

Methods inherited from class java.lang.Object

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

Constructor Detail

DoubleSummaryAggregator.SumDoubleAggregator

public DoubleSummaryAggregator.SumDoubleAggregator()

Method Detail

aggregate

public void aggregate(Double value)

Description copied from interface: Aggregator

Add a value to the current aggregation

Specified by:

aggregate in interface Aggregator<Double,Double>

combine

public void combine(Aggregator<Double,Double> other)

Description copied from interface: Aggregator

Combine two aggregations of the same type. (Implementations will need to do an unchecked cast).

Specified by:

combine in interface Aggregator<Double,Double>

result

public Double result()

Description copied from interface: Aggregator

Provide the final result of the aggregation

Specified by:

result in interface Aggregator<Double,Double>