org.apache.flink.runtime.deployment.PartialInputChannelDeploymentDescriptor Maven / Gradle / Ivy
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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
*
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*/
package org.apache.flink.runtime.deployment;
import org.apache.flink.runtime.executiongraph.Execution;
import org.apache.flink.runtime.executiongraph.IntermediateResult;
import org.apache.flink.runtime.executiongraph.IntermediateResultPartition;
import org.apache.flink.runtime.io.network.partition.ResultPartitionID;
import org.apache.flink.runtime.jobgraph.IntermediateDataSetID;
import org.apache.flink.runtime.taskmanager.TaskManagerLocation;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* Partial deployment descriptor for a single input channel instance.
*
* This deployment descriptor is created in {@link Execution#scheduleOrUpdateConsumers(java.util.List)},
* if the consumer instance is not yet clear. Once the instance on which the consumer runs is known,
* the deployment descriptor is updated by completing the partition location.
*/
public class PartialInputChannelDeploymentDescriptor {
/** The intermediate result. */
private final IntermediateResult intermediateResult;
/** The partition ID identifies the input channel to update. */
private final ResultPartitionID partitionID;
/** The partition connection info. */
private final TaskManagerLocation partitionTaskManagerLocation;
public PartialInputChannelDeploymentDescriptor(
IntermediateResult intermediateResult,
ResultPartitionID partitionID,
TaskManagerLocation partitionTaskManagerLocation) {
this.intermediateResult = checkNotNull(intermediateResult);
this.partitionID = checkNotNull(partitionID);
this.partitionTaskManagerLocation = checkNotNull(partitionTaskManagerLocation);
}
/**
* Creates a channel deployment descriptor by completing the partition location.
*
* @see InputChannelDeploymentDescriptor
*/
public InputChannelDeploymentDescriptor createInputChannelDeploymentDescriptor(
Execution consumerExecution,
ResultPartitionLocationTrackerProxy resultPartitionLocationTrackerProxy) {
checkNotNull(consumerExecution, "consumerExecution");
TaskManagerLocation consumerLocation = consumerExecution.getAssignedResourceLocation();
checkNotNull(consumerLocation, "Consumer connection info null");
final ResultPartitionLocation partitionLocation =
resultPartitionLocationTrackerProxy.getResultPartitionLocation(
partitionTaskManagerLocation, consumerLocation, intermediateResult);
return new InputChannelDeploymentDescriptor(partitionID, partitionLocation);
}
public IntermediateDataSetID getResultId() {
return intermediateResult.getId();
}
// ------------------------------------------------------------------------
/**
* Creates a partial input channel for the given partition and producing task.
*/
public static PartialInputChannelDeploymentDescriptor fromEdge(
IntermediateResultPartition partition,
Execution producer) {
final ResultPartitionID partitionId = new ResultPartitionID(
partition.getPartitionId(), producer.getAttemptId());
final IntermediateResult result = partition.getIntermediateResult();
final TaskManagerLocation partitionConnectionInfo = producer.getAssignedResourceLocation();
return new PartialInputChannelDeploymentDescriptor(
result, partitionId, partitionConnectionInfo);
}
}