org.apache.flink.runtime.scheduler.InputsLocationsRetriever Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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*/
package org.apache.flink.runtime.scheduler;
import org.apache.flink.runtime.executiongraph.Execution;
import org.apache.flink.runtime.scheduler.strategy.ExecutionVertexID;
import org.apache.flink.runtime.taskmanager.TaskManagerLocation;
import java.util.Collection;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
/**
* Component to retrieve the inputs locations of a {@link Execution}.
*/
public interface InputsLocationsRetriever {
/**
* Get the producers of the result partitions consumed by an execution.
*
* @param executionVertexId identifies the execution
* @return the producers of the result partitions group by job vertex id
*/
Collection> getConsumedResultPartitionsProducers(ExecutionVertexID executionVertexId);
/**
* Get the task manager location future for an execution.
*
* @param executionVertexId identifying the execution
* @return the task manager location future
*/
Optional> getTaskManagerLocation(ExecutionVertexID executionVertexId);
}