| /* |
| * 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.iotdb.db.mpp.plan.planner.plan.node.load; |
| |
| import org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet; |
| import org.apache.iotdb.db.engine.storagegroup.TsFileResource; |
| import org.apache.iotdb.db.mpp.plan.analyze.Analysis; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNodeId; |
| import org.apache.iotdb.db.mpp.plan.planner.plan.node.WritePlanNode; |
| import org.apache.iotdb.tsfile.exception.NotImplementedException; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class LoadTsFileNode extends WritePlanNode { |
| private static final Logger logger = LoggerFactory.getLogger(LoadTsFileNode.class); |
| |
| private final List<TsFileResource> resources; |
| |
| public LoadTsFileNode(PlanNodeId id) { |
| this(id, new ArrayList<>()); |
| } |
| |
| public LoadTsFileNode(PlanNodeId id, List<TsFileResource> resources) { |
| super(id); |
| this.resources = resources; |
| } |
| |
| @Override |
| public TRegionReplicaSet getRegionReplicaSet() { |
| return null; |
| } |
| |
| @Override |
| public List<PlanNode> getChildren() { |
| return null; |
| } |
| |
| @Override |
| public void addChild(PlanNode child) {} |
| |
| @Override |
| public PlanNode clone() { |
| throw new NotImplementedException("clone of load TsFile is not implemented"); |
| } |
| |
| @Override |
| public int allowedChildCount() { |
| return NO_CHILD_ALLOWED; |
| } |
| |
| @Override |
| public List<String> getOutputColumnNames() { |
| return null; |
| } |
| |
| @Override |
| protected void serializeAttributes(ByteBuffer byteBuffer) {} |
| |
| @Override |
| protected void serializeAttributes(DataOutputStream stream) throws IOException {} |
| |
| @Override |
| public List<WritePlanNode> splitByPartition(Analysis analysis) { |
| List<WritePlanNode> res = new ArrayList<>(); |
| for (TsFileResource resource : resources) { |
| try { |
| LoadSingleTsFileNode singleTsFileNode = new LoadSingleTsFileNode(getPlanNodeId(), resource); |
| singleTsFileNode.checkIfNeedDecodeTsFile(analysis.getDataPartitionInfo()); |
| if (singleTsFileNode.needDecodeTsFile()) { |
| singleTsFileNode.splitTsFileByDataPartition(analysis.getDataPartitionInfo()); |
| } |
| res.add(singleTsFileNode); |
| } catch (Exception e) { |
| logger.error(String.format("Parse TsFile %s error", resource.getTsFile().getPath()), e); |
| } |
| } |
| return res; |
| } |
| } |