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

类 FirstValueWithRetractAggFunction.FirstValueWithRetractAccumulator<T>

java.lang.Object

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

封闭类:

FirstValueWithRetractAggFunction<T>

public static class FirstValueWithRetractAggFunction.FirstValueWithRetractAccumulator<T>
extends Object

Accumulator for FIRST_VALUE.

字段概要

字段

限定符和类型	字段和说明
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

构造器概要

构造器

构造器和说明
FirstValueWithRetractAccumulator()

方法概要

限定符和类型	方法和说明
boolean	equals(Object o)
int	hashCode()

从类继承的方法 java.lang.Object

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

字段详细资料

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

构造器详细资料

FirstValueWithRetractAccumulator

public FirstValueWithRetractAccumulator()

方法详细资料

equals

public boolean equals(Object o)

覆盖:

equals 在类中 Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object