org.apache.flink.runtime.taskmanager.ActorGatewayPartitionProducerStateChecker Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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*/
package org.apache.flink.runtime.taskmanager;
import org.apache.flink.api.common.JobID;
import org.apache.flink.runtime.concurrent.FutureUtils;
import org.apache.flink.runtime.execution.ExecutionState;
import org.apache.flink.runtime.instance.ActorGateway;
import org.apache.flink.runtime.io.network.netty.PartitionProducerStateChecker;
import org.apache.flink.runtime.io.network.partition.ResultPartitionID;
import org.apache.flink.runtime.jobgraph.IntermediateDataSetID;
import org.apache.flink.runtime.messages.JobManagerMessages;
import org.apache.flink.util.Preconditions;
import java.util.concurrent.CompletableFuture;
import scala.concurrent.duration.FiniteDuration;
import scala.reflect.ClassTag$;
/**
* This implementation uses {@link ActorGateway} to trigger the partition state check at the job
* manager.
*/
public class ActorGatewayPartitionProducerStateChecker implements PartitionProducerStateChecker {
private final ActorGateway jobManager;
private final FiniteDuration timeout;
public ActorGatewayPartitionProducerStateChecker(ActorGateway jobManager, FiniteDuration timeout) {
this.jobManager = Preconditions.checkNotNull(jobManager);
this.timeout = Preconditions.checkNotNull(timeout);
}
@Override
public CompletableFuture requestPartitionProducerState(
JobID jobId,
IntermediateDataSetID intermediateDataSetId,
ResultPartitionID resultPartitionId) {
JobManagerMessages.RequestPartitionProducerState msg = new JobManagerMessages.RequestPartitionProducerState(
jobId,
intermediateDataSetId, resultPartitionId
);
scala.concurrent.Future futureResponse = jobManager
.ask(msg, timeout)
.mapTo(ClassTag$.MODULE$.apply(ExecutionState.class));
return FutureUtils.toJava(futureResponse);
}
}