| // 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.doris.planner; |
| |
| import org.apache.doris.thrift.TDataSink; |
| import org.apache.doris.thrift.TDataSinkType; |
| import org.apache.doris.thrift.TDataStreamSink; |
| import org.apache.doris.thrift.TExplainLevel; |
| |
| /** |
| * Data sink that forwards data to an exchange node. |
| */ |
| public class DataStreamSink extends DataSink { |
| private final PlanNodeId exchNodeId; |
| |
| private DataPartition outputPartition; |
| |
| public DataStreamSink(PlanNodeId exchNodeId) { |
| this.exchNodeId = exchNodeId; |
| } |
| |
| @Override |
| public PlanNodeId getExchNodeId() { |
| return exchNodeId; |
| } |
| |
| @Override |
| public DataPartition getOutputPartition() { |
| return outputPartition; |
| } |
| |
| public void setPartition(DataPartition partition) { |
| outputPartition = partition; |
| } |
| |
| @Override |
| public String getExplainString(String prefix, TExplainLevel explainLevel) { |
| StringBuilder strBuilder = new StringBuilder(); |
| strBuilder.append(prefix + "STREAM DATA SINK\n"); |
| strBuilder.append(prefix + " EXCHANGE ID: " + exchNodeId + "\n"); |
| if (outputPartition != null) { |
| strBuilder.append(prefix + " " + outputPartition.getExplainString(explainLevel)); |
| } |
| return strBuilder.toString(); |
| } |
| |
| @Override |
| protected TDataSink toThrift() { |
| TDataSink result = new TDataSink(TDataSinkType.DATA_STREAM_SINK); |
| TDataStreamSink tStreamSink = |
| new TDataStreamSink(exchNodeId.asInt(), outputPartition.toThrift()); |
| result.setStream_sink(tStreamSink); |
| return result; |
| } |
| } |