org.apache.flink.runtime.deployment.ResultPartitionDeploymentDescriptor Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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.deployment;
import org.apache.flink.runtime.io.network.partition.ResultPartition;
import org.apache.flink.runtime.io.network.partition.ResultPartitionType;
import org.apache.flink.runtime.jobgraph.IntermediateDataSetID;
import org.apache.flink.runtime.jobgraph.IntermediateResultPartitionID;
import org.apache.flink.runtime.shuffle.PartitionDescriptor;
import org.apache.flink.runtime.shuffle.ShuffleDescriptor;
import org.apache.flink.runtime.state.KeyGroupRangeAssignment;
import java.io.Serializable;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* Deployment descriptor for a result partition.
*
* @see ResultPartition
*/
public class ResultPartitionDeploymentDescriptor implements Serializable {
private static final long serialVersionUID = 6343547936086963705L;
private final PartitionDescriptor partitionDescriptor;
private final ShuffleDescriptor shuffleDescriptor;
private final int maxParallelism;
/** Flag whether the result partition should send scheduleOrUpdateConsumer messages. */
private final boolean sendScheduleOrUpdateConsumersMessage;
public ResultPartitionDeploymentDescriptor(
PartitionDescriptor partitionDescriptor,
ShuffleDescriptor shuffleDescriptor,
int maxParallelism,
boolean sendScheduleOrUpdateConsumersMessage) {
this.partitionDescriptor = checkNotNull(partitionDescriptor);
this.shuffleDescriptor = checkNotNull(shuffleDescriptor);
KeyGroupRangeAssignment.checkParallelismPreconditions(maxParallelism);
this.maxParallelism = maxParallelism;
this.sendScheduleOrUpdateConsumersMessage = sendScheduleOrUpdateConsumersMessage;
}
public IntermediateDataSetID getResultId() {
return partitionDescriptor.getResultId();
}
public IntermediateResultPartitionID getPartitionId() {
return partitionDescriptor.getPartitionId();
}
public ResultPartitionType getPartitionType() {
return partitionDescriptor.getPartitionType();
}
public int getNumberOfSubpartitions() {
return partitionDescriptor.getNumberOfSubpartitions();
}
public int getMaxParallelism() {
return maxParallelism;
}
public ShuffleDescriptor getShuffleDescriptor() {
return shuffleDescriptor;
}
public boolean sendScheduleOrUpdateConsumersMessage() {
return sendScheduleOrUpdateConsumersMessage;
}
@Override
public String toString() {
return String.format("ResultPartitionDeploymentDescriptor [PartitionDescriptor: %s, "
+ "ShuffleDescriptor: %s]",
partitionDescriptor, shuffleDescriptor);
}
}