Package org.apache.flink.table.runtime.functions.aggregate

Class FirstValueWithRetractAggFunction.FirstValueWithRetractAccumulator<T>

java.lang.Object

org.apache.flink.table.runtime.functions.aggregate.FirstValueWithRetractAggFunction.FirstValueWithRetractAccumulator<T>

Enclosing class:

FirstValueWithRetractAggFunction<T>

public static class FirstValueWithRetractAggFunction.FirstValueWithRetractAccumulator<T>
extends Object

Accumulator for FIRST_VALUE.

Field Summary

Fields

Modifier and Type	Field	Description
Long	firstOrder
T	firstValue
org.apache.flink.table.api.dataview.MapView<Long,List<T>>	orderToValueMap
org.apache.flink.table.api.dataview.MapView<T,List<Long>>	valueToOrderMap

Constructor Summary

Constructors

Constructor	Description
FirstValueWithRetractAccumulator()

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
int	hashCode()

Methods inherited from class java.lang.Object

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

Field Detail

firstValue

public T firstValue

firstOrder

public Long firstOrder

valueToOrderMap

public org.apache.flink.table.api.dataview.MapView<T,List<Long>> valueToOrderMap

orderToValueMap

public org.apache.flink.table.api.dataview.MapView<Long,List<T>> orderToValueMap

Constructor Detail

FirstValueWithRetractAccumulator

public FirstValueWithRetractAccumulator()

Method Detail

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object