io.ray.streaming.api.function.impl

接口 FilterFunction<T>

类型参数:

T - type of the input data.

所有超级接口:

Function, Serializable

函数接口:

这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

@FunctionalInterface
public interface FilterFunction<T>
extends Function

A filter function is a predicate applied individually to each record. The predicate decides whether to keep the element, or to discard it.

方法概要

限定符和类型	方法和说明
boolean	filter(T value) The filter function that evaluates the predicate.

从接口继承的方法 io.ray.streaming.api.function.Function

loadCheckpoint, saveCheckpoint

方法详细资料

filter

boolean filter(T value)
        throws Exception

The filter function that evaluates the predicate.

参数:

value - The value to be filtered.

返回:

True for values that should be retained, false for values to be filtered out.

抛出:

Exception