org.apache.flink.runtime.executiongraph.IntermediateResultPartition 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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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.executiongraph;
import org.apache.flink.runtime.io.network.partition.ResultPartitionType;
import org.apache.flink.runtime.jobgraph.IntermediateResultPartitionID;
import java.util.List;
public class IntermediateResultPartition {
private final IntermediateResult totalResult;
private final ExecutionVertex producer;
private final int partitionNumber;
private IntermediateResultPartitionID partitionId;
/**
* Whether this partition has data produced. For pipelined results only.
*/
private boolean dataProduced = false;
/**
* Whether this partition is finished.
*/
private boolean isFinished = false;
public IntermediateResultPartition(IntermediateResult totalResult, ExecutionVertex producer, int partitionNumber) {
this.totalResult = totalResult;
this.producer = producer;
this.partitionNumber = partitionNumber;
this.partitionId = new IntermediateResultPartitionID();
}
public ExecutionVertex getProducer() {
return producer;
}
public int getPartitionNumber() {
return partitionNumber;
}
public IntermediateResult getIntermediateResult() {
return totalResult;
}
/**
* Set partition id to the one reported by task executor during jm failover.
*/
public void setPartitionId(IntermediateResultPartitionID id) {
this.partitionId = id;
}
public IntermediateResultPartitionID getPartitionId() {
return partitionId;
}
public ResultPartitionType getResultType() {
return totalResult.getResultType();
}
public List getConsumers() {
return getEdgeManager().getPartitionConsumers(partitionId);
}
public void resetForNewExecution() {
if (isConsumable()) {
getIntermediateResult().decrementNumberOfConsumablePartitions();
}
isFinished = false;
dataProduced = false;
}
public void markDataProduced() {
if (!isConsumable()) {
getIntermediateResult().incrementNumberOfConsumablePartitions();
}
dataProduced = true;
}
public boolean hasDataProduced() {
return dataProduced;
}
public boolean isConsumable() {
if (getResultType().isPipelined()) {
return dataProduced;
} else {
return isFinished;
}
}
void setConsumers(List vertices) {
getEdgeManager().setConsumersToPartition(partitionId, vertices);
}
public void markFinished() {
if (getResultType().isBlocking() && !isConsumable()) {
getIntermediateResult().incrementNumberOfConsumablePartitions();
}
isFinished = true;
}
private ExecutionEdgeManager getEdgeManager() {
return producer.getExecutionGraph().getEdgeManager();
}
}