org.apache.flink.runtime.scheduler.AvailableInputsLocationsRetriever 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
* regarding copyright ownership. The ASF licenses this file
* 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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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.scheduler;
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;
/** {@link InputsLocationsRetriever} which filters out only already available input locations. */
class AvailableInputsLocationsRetriever implements InputsLocationsRetriever {
private final InputsLocationsRetriever inputsLocationsRetriever;
AvailableInputsLocationsRetriever(InputsLocationsRetriever inputsLocationsRetriever) {
this.inputsLocationsRetriever = inputsLocationsRetriever;
}
@Override
public Collection> getConsumedResultPartitionsProducers(
ExecutionVertexID executionVertexId) {
return inputsLocationsRetriever.getConsumedResultPartitionsProducers(executionVertexId);
}
@Override
public Optional> getTaskManagerLocation(
ExecutionVertexID executionVertexId) {
return inputsLocationsRetriever
.getTaskManagerLocation(executionVertexId)
.filter(future -> future.isDone() && !future.isCompletedExceptionally());
}
}