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

Class IntegerSummaryAggregator

java.lang.Object

org.apache.flink.api.java.summarize.aggregation.NumericSummaryAggregator<Integer>

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

All Implemented Interfaces:

Serializable, Aggregator<Integer,NumericColumnSummary<Integer>>

@Internal
public class IntegerSummaryAggregator
extends NumericSummaryAggregator<Integer>

Aggregator that can handle Integer types.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	IntegerSummaryAggregator.MaxIntegerAggregator	Aggregator for max operation.
static class	IntegerSummaryAggregator.MinIntegerAggregator	Aggregator for min operation.
static class	IntegerSummaryAggregator.SumIntegerAggregator	Aggregator for sum operation.

Constructor Summary

Constructors

Constructor	Description
IntegerSummaryAggregator()

Method Summary

Modifier and Type	Method	Description
protected Aggregator<Integer,Integer>	initMax()
protected Aggregator<Integer,Integer>	initMin()
protected Aggregator<Integer,Integer>	initSum()
protected boolean	isInfinite(Integer number)
protected boolean	isNan(Integer number)

Methods inherited from class org.apache.flink.api.java.summarize.aggregation.NumericSummaryAggregator

aggregate, combine, result

Methods inherited from class java.lang.Object

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

Constructor Detail

IntegerSummaryAggregator

public IntegerSummaryAggregator()

Method Detail

initMin

protected Aggregator<Integer,Integer> initMin()

Specified by:

initMin in class NumericSummaryAggregator<Integer>

initMax

protected Aggregator<Integer,Integer> initMax()

Specified by:

initMax in class NumericSummaryAggregator<Integer>

initSum

protected Aggregator<Integer,Integer> initSum()

Specified by:

initSum in class NumericSummaryAggregator<Integer>

isNan

protected boolean isNan(Integer number)

Specified by:

isNan in class NumericSummaryAggregator<Integer>

isInfinite

protected boolean isInfinite(Integer number)

Specified by:

isInfinite in class NumericSummaryAggregator<Integer>