org.apache.flink.runtime.scheduler

接口 PreferredLocationsRetriever

所有已知实现类:

DefaultPreferredLocationsRetriever

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 PreferredLocationsRetriever

Component to retrieve the preferred locations of an execution vertex.

方法概要

限定符和类型	方法和说明
CompletableFuture<Collection<TaskManagerLocation>>	getPreferredLocations(ExecutionVertexID executionVertexId, Set<ExecutionVertexID> producersToIgnore) Returns preferred locations of an execution vertex.

方法详细资料

getPreferredLocations

CompletableFuture<Collection<TaskManagerLocation>> getPreferredLocations(ExecutionVertexID executionVertexId,
                                                                         Set<ExecutionVertexID> producersToIgnore)

Returns preferred locations of an execution vertex.

参数:

executionVertexId - id of the execution vertex

producersToIgnore - producer vertices to ignore when calculating input locations

返回:

future of preferred locations