| /* |
| * 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.queryengine.plan.planner.plan.node.metedata.write; |
| |
| import org.apache.iotdb.common.rpc.thrift.TRegionReplicaSet; |
| import org.apache.iotdb.commons.path.PartialPath; |
| import org.apache.iotdb.commons.path.PathDeserializeUtil; |
| import org.apache.iotdb.db.queryengine.plan.analyze.Analysis; |
| import org.apache.iotdb.db.queryengine.plan.planner.plan.node.PlanNode; |
| import org.apache.iotdb.db.queryengine.plan.planner.plan.node.PlanNodeId; |
| import org.apache.iotdb.db.queryengine.plan.planner.plan.node.PlanNodeType; |
| import org.apache.iotdb.db.queryengine.plan.planner.plan.node.PlanVisitor; |
| import org.apache.iotdb.db.queryengine.plan.planner.plan.node.WritePlanNode; |
| |
| import org.apache.tsfile.utils.Pair; |
| import org.apache.tsfile.utils.ReadWriteIOUtils; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| public class InternalCreateMultiTimeSeriesNode extends WritePlanNode { |
| |
| // <DevicePath, <IsAligned, MeasurementGroup>> |
| private Map<PartialPath, Pair<Boolean, MeasurementGroup>> deviceMap; |
| |
| private TRegionReplicaSet regionReplicaSet; |
| |
| public InternalCreateMultiTimeSeriesNode( |
| PlanNodeId id, Map<PartialPath, Pair<Boolean, MeasurementGroup>> deviceMap) { |
| super(id); |
| this.deviceMap = deviceMap; |
| } |
| |
| private InternalCreateMultiTimeSeriesNode( |
| PlanNodeId id, |
| Map<PartialPath, Pair<Boolean, MeasurementGroup>> deviceMap, |
| TRegionReplicaSet regionReplicaSet) { |
| super(id); |
| this.deviceMap = deviceMap; |
| this.regionReplicaSet = regionReplicaSet; |
| } |
| |
| public Map<PartialPath, Pair<Boolean, MeasurementGroup>> getDeviceMap() { |
| return deviceMap; |
| } |
| |
| @Override |
| public TRegionReplicaSet getRegionReplicaSet() { |
| return regionReplicaSet; |
| } |
| |
| @Override |
| public List<PlanNode> getChildren() { |
| return new ArrayList<>(); |
| } |
| |
| @Override |
| public void addChild(PlanNode child) {} |
| |
| @Override |
| public PlanNodeType getType() { |
| return PlanNodeType.INTERNAL_CREATE_MULTI_TIMESERIES; |
| } |
| |
| @Override |
| public PlanNode clone() { |
| return new InternalCreateMultiTimeSeriesNode(getPlanNodeId(), deviceMap, regionReplicaSet); |
| } |
| |
| @Override |
| public int allowedChildCount() { |
| return 0; |
| } |
| |
| @Override |
| public List<String> getOutputColumnNames() { |
| return null; |
| } |
| |
| @Override |
| protected void serializeAttributes(ByteBuffer byteBuffer) { |
| PlanNodeType.INTERNAL_CREATE_MULTI_TIMESERIES.serialize(byteBuffer); |
| |
| ReadWriteIOUtils.write(deviceMap.size(), byteBuffer); |
| for (Map.Entry<PartialPath, Pair<Boolean, MeasurementGroup>> entry : deviceMap.entrySet()) { |
| entry.getKey().serialize(byteBuffer); |
| ReadWriteIOUtils.write(entry.getValue().left, byteBuffer); |
| entry.getValue().right.serialize(byteBuffer); |
| } |
| } |
| |
| @Override |
| protected void serializeAttributes(DataOutputStream stream) throws IOException { |
| PlanNodeType.INTERNAL_CREATE_MULTI_TIMESERIES.serialize(stream); |
| |
| ReadWriteIOUtils.write(deviceMap.size(), stream); |
| for (Map.Entry<PartialPath, Pair<Boolean, MeasurementGroup>> entry : deviceMap.entrySet()) { |
| entry.getKey().serialize(stream); |
| ReadWriteIOUtils.write(entry.getValue().left, stream); |
| entry.getValue().right.serialize(stream); |
| } |
| } |
| |
| public static InternalCreateMultiTimeSeriesNode deserialize(ByteBuffer byteBuffer) { |
| int size = ReadWriteIOUtils.readInt(byteBuffer); |
| Map<PartialPath, Pair<Boolean, MeasurementGroup>> deviceMap = new HashMap<>(size); |
| PartialPath devicePath; |
| boolean isAligned; |
| MeasurementGroup measurementGroup; |
| for (int i = 0; i < size; i++) { |
| devicePath = (PartialPath) PathDeserializeUtil.deserialize(byteBuffer); |
| isAligned = ReadWriteIOUtils.readBool(byteBuffer); |
| measurementGroup = new MeasurementGroup(); |
| measurementGroup.deserialize(byteBuffer); |
| deviceMap.put(devicePath, new Pair<>(isAligned, measurementGroup)); |
| } |
| |
| PlanNodeId planNodeId = PlanNodeId.deserialize(byteBuffer); |
| return new InternalCreateMultiTimeSeriesNode(planNodeId, deviceMap); |
| } |
| |
| @Override |
| public List<WritePlanNode> splitByPartition(Analysis analysis) { |
| // gather devices to same target region |
| Map<TRegionReplicaSet, Map<PartialPath, Pair<Boolean, MeasurementGroup>>> splitMap = |
| new HashMap<>(); |
| for (Map.Entry<PartialPath, Pair<Boolean, MeasurementGroup>> entry : deviceMap.entrySet()) { |
| TRegionReplicaSet regionReplicaSet = |
| analysis.getSchemaPartitionInfo().getSchemaRegionReplicaSet(entry.getKey().getFullPath()); |
| splitMap |
| .computeIfAbsent(regionReplicaSet, k -> new HashMap<>()) |
| .put(entry.getKey(), entry.getValue()); |
| } |
| |
| List<WritePlanNode> result = new ArrayList<>(); |
| for (Map.Entry<TRegionReplicaSet, Map<PartialPath, Pair<Boolean, MeasurementGroup>>> entry : |
| splitMap.entrySet()) { |
| result.add( |
| new InternalCreateMultiTimeSeriesNode(getPlanNodeId(), entry.getValue(), entry.getKey())); |
| } |
| |
| return result; |
| } |
| |
| @Override |
| public <R, C> R accept(PlanVisitor<R, C> visitor, C context) { |
| return visitor.visitInternalCreateMultiTimeSeries(this, context); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| if (!super.equals(o)) return false; |
| InternalCreateMultiTimeSeriesNode that = (InternalCreateMultiTimeSeriesNode) o; |
| return Objects.equals(deviceMap, that.deviceMap) |
| && Objects.equals(regionReplicaSet, that.regionReplicaSet); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(super.hashCode(), deviceMap, regionReplicaSet); |
| } |
| } |