| /* |
| * 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.table.resource.batch; |
| |
| import org.apache.flink.table.plan.nodes.exec.BatchExecNode; |
| |
| import java.io.Serializable; |
| import java.util.LinkedHashSet; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * NodeRunningUnit contains some batchExecNodeStages that run at the same time. It can be considered |
| * as schedule unit. |
| * |
| * <p>e.g. source -> calc1 -> sort -> calc2 |
| * |
| * <p>When cal2 begin to receive data from sort, source1 and calc1 finish running. |
| * It will be divide to two runningUnits: |
| * 1. source -> calc1 -> sort |
| * 2. sort -> calc2 |
| */ |
| public class NodeRunningUnit implements Serializable { |
| |
| private final List<BatchExecNodeStage> nodeStageList = new LinkedList<>(); |
| private transient Set<BatchExecNode<?>> nodeSet = new LinkedHashSet<>(); |
| |
| public void addNodeStage(BatchExecNodeStage nodeStage) { |
| this.nodeStageList.add(nodeStage); |
| this.nodeSet.add(nodeStage.getBatchExecNode()); |
| } |
| |
| public Set<BatchExecNode<?>> getNodeSet() { |
| return nodeSet; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder("NodeRunningUnit{"); |
| for (BatchExecNodeStage nodeStage : nodeStageList) { |
| sb.append("\n\t").append(nodeStage); |
| } |
| sb.append("\n}"); |
| return sb.toString(); |
| } |
| |
| public List<BatchExecNodeStage> getAllNodeStages() { |
| return nodeStageList; |
| } |
| } |