org.apache.flink.runtime.executiongraph.ExecutionEdgeManager Maven / Gradle / Ivy
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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
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*/
package org.apache.flink.runtime.executiongraph;
import org.apache.flink.runtime.jobgraph.ExecutionVertexID;
import org.apache.flink.runtime.jobgraph.IntermediateResultPartitionID;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import static org.apache.flink.util.Preconditions.checkState;
/**
* Class that manages all data connections between tasks.
*/
public class ExecutionEdgeManager {
private final ConcurrentMap> partitionConsumers = new ConcurrentHashMap<>();
private final ConcurrentMap> vertexConsumedPartitions = new ConcurrentHashMap<>();
public void setVertexConsumedPartitions(
ExecutionVertexID executionVertexId,
IntermediateResultPartition[] partitions,
int inputNumber) {
final List consumedPartitions = getVertexAllConsumedPartitions(executionVertexId);
// sanity check
checkState(consumedPartitions.size() == inputNumber);
consumedPartitions.add(partitions);
}
public List getVertexAllConsumedPartitions(ExecutionVertexID executionVertexId) {
return vertexConsumedPartitions.computeIfAbsent(executionVertexId, id -> new ArrayList<>());
}
public void setConsumersToPartition(IntermediateResultPartitionID resultPartitionId, List consumerVertices) {
checkState(!partitionConsumers.containsKey(resultPartitionId));
partitionConsumers.put(resultPartitionId, consumerVertices);
}
public List getPartitionConsumers(IntermediateResultPartitionID resultPartitionId) {
return partitionConsumers.computeIfAbsent(resultPartitionId, id -> new ArrayList<>());
}
}