io.ray.streaming.api.function

接口 RichFunction

所有超级接口:

Function, Serializable

public interface RichFunction
extends Function

An interface for all user-defined functions to define the life cycle methods of the functions, and access the task context where the functions get executed.

方法概要

限定符和类型	方法和说明
void	close() Tear-down method for the user function which called after the last call to the user function.
void	open(RuntimeContext runtimeContext) Initialization method for user function which called before the first call to the user function.

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

loadCheckpoint, saveCheckpoint

方法详细资料

open

void open(RuntimeContext runtimeContext)

Initialization method for user function which called before the first call to the user function.

参数:

runtimeContext - runtime context

close

void close()

Tear-down method for the user function which called after the last call to the user function.