
org.apache.flink.runtime.jobgraph.topology.DefaultLogicalVertex 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.jobgraph.topology;
import org.apache.flink.runtime.jobgraph.IntermediateDataSet;
import org.apache.flink.runtime.jobgraph.IntermediateDataSetID;
import org.apache.flink.runtime.jobgraph.JobEdge;
import org.apache.flink.runtime.jobgraph.JobVertex;
import org.apache.flink.runtime.jobgraph.JobVertexID;
import java.util.List;
import java.util.function.Function;
import java.util.stream.Collectors;
import static org.apache.flink.util.Preconditions.checkNotNull;
/** Default implementation of {@link LogicalVertex}. It is an adapter of {@link JobVertex}. */
public class DefaultLogicalVertex implements LogicalVertex {
private final JobVertex jobVertex;
private final Function resultRetriever;
private final List inputEdges;
DefaultLogicalVertex(
final JobVertex jobVertex,
final Function resultRetriever) {
this.jobVertex = checkNotNull(jobVertex);
this.resultRetriever = checkNotNull(resultRetriever);
this.inputEdges =
jobVertex.getInputs().stream()
.map(DefaultLogicalEdge::new)
.collect(Collectors.toList());
}
@Override
public JobVertexID getId() {
return jobVertex.getID();
}
@Override
public Iterable getConsumedResults() {
return jobVertex.getInputs().stream()
.map(JobEdge::getSource)
.map(IntermediateDataSet::getId)
.map(resultRetriever)
.collect(Collectors.toList());
}
@Override
public Iterable getProducedResults() {
return jobVertex.getProducedDataSets().stream()
.map(IntermediateDataSet::getId)
.map(resultRetriever)
.collect(Collectors.toList());
}
@Override
public Iterable extends LogicalEdge> getInputs() {
return inputEdges;
}
}
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