org.apache.flink.runtime.scheduler

接口 StateLocationRetriever

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 StateLocationRetriever

Component to retrieve the state location of an execution vertex.

方法概要

限定符和类型	方法和说明
Optional<TaskManagerLocation>	getStateLocation(ExecutionVertexID executionVertexId) Returns state location of an execution vertex.

方法详细资料

getStateLocation

Optional<TaskManagerLocation> getStateLocation(ExecutionVertexID executionVertexId)

Returns state location of an execution vertex.

参数:

executionVertexId - id of the execution vertex

返回:

optional that is assigned with the vertex's state location if the location exists, otherwise empty