org.apache.flink.runtime.scheduler

Interface StateLocationRetriever

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface StateLocationRetriever

Component to retrieve the state location of an execution vertex.

Method Summary

Modifier and Type	Method and Description
Optional<TaskManagerLocation>	getStateLocation(ExecutionVertexID executionVertexId) Returns state location of an execution vertex.

Method Detail

getStateLocation

Optional<TaskManagerLocation> getStateLocation(ExecutionVertexID executionVertexId)

Returns state location of an execution vertex.

Parameters:

executionVertexId - id of the execution vertex

Returns:

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