| /* |
| * 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, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.flink.runtime.jobgraph; |
| |
| import org.apache.flink.runtime.io.network.partition.ResultPartitionType; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static org.apache.flink.util.Preconditions.checkNotNull; |
| |
| /** |
| * An intermediate data set is the data set produced by an operator - either a source or any |
| * intermediate operation. |
| * |
| * <p>Intermediate data sets may be read by other operators, materialized, or discarded. |
| */ |
| public class IntermediateDataSet implements java.io.Serializable { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private final IntermediateDataSetID id; // the identifier |
| |
| private final JobVertex producer; // the operation that produced this data set |
| |
| private final List<JobEdge> consumers = new ArrayList<JobEdge>(); |
| |
| // The type of partition to use at runtime |
| private final ResultPartitionType resultType; |
| |
| // -------------------------------------------------------------------------------------------- |
| |
| public IntermediateDataSet( |
| IntermediateDataSetID id, ResultPartitionType resultType, JobVertex producer) { |
| this.id = checkNotNull(id); |
| this.producer = checkNotNull(producer); |
| this.resultType = checkNotNull(resultType); |
| } |
| |
| // -------------------------------------------------------------------------------------------- |
| |
| public IntermediateDataSetID getId() { |
| return id; |
| } |
| |
| public JobVertex getProducer() { |
| return producer; |
| } |
| |
| public List<JobEdge> getConsumers() { |
| return this.consumers; |
| } |
| |
| public ResultPartitionType getResultType() { |
| return resultType; |
| } |
| |
| // -------------------------------------------------------------------------------------------- |
| |
| public void addConsumer(JobEdge edge) { |
| this.consumers.add(edge); |
| } |
| |
| // -------------------------------------------------------------------------------------------- |
| |
| @Override |
| public String toString() { |
| return "Intermediate Data Set (" + id + ")"; |
| } |
| } |