| /* |
| * 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.metadata.template; |
| |
| import org.apache.iotdb.db.metadata.PartialPath; |
| import org.apache.iotdb.db.metadata.mnode.IMeasurementMNode; |
| import org.apache.iotdb.db.metadata.mnode.MeasurementMNode; |
| import org.apache.iotdb.db.qp.physical.crud.CreateTemplatePlan; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; |
| import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding; |
| import org.apache.iotdb.tsfile.write.schema.IMeasurementSchema; |
| import org.apache.iotdb.tsfile.write.schema.MeasurementSchema; |
| import org.apache.iotdb.tsfile.write.schema.VectorMeasurementSchema; |
| |
| import org.apache.commons.lang3.builder.HashCodeBuilder; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| public class Template { |
| private String name; |
| |
| private Map<String, IMeasurementSchema> schemaMap = new HashMap<>(); |
| |
| /** |
| * build a template from a createTemplatePlan |
| * |
| * @param plan createTemplatePlan |
| */ |
| public Template(CreateTemplatePlan plan) { |
| name = plan.getName(); |
| |
| // put measurement into a map |
| for (int i = 0; i < plan.getMeasurements().size(); i++) { |
| IMeasurementSchema curSchema; |
| // vector |
| int size = plan.getMeasurements().get(i).size(); |
| if (size > 1) { |
| String[] measurementsArray = new String[size]; |
| TSDataType[] typeArray = new TSDataType[size]; |
| TSEncoding[] encodingArray = new TSEncoding[size]; |
| |
| for (int j = 0; j < size; j++) { |
| measurementsArray[j] = plan.getMeasurements().get(i).get(j); |
| typeArray[j] = plan.getDataTypes().get(i).get(j); |
| encodingArray[j] = plan.getEncodings().get(i).get(j); |
| } |
| |
| curSchema = |
| new VectorMeasurementSchema( |
| plan.getSchemaNames().get(i), |
| measurementsArray, |
| typeArray, |
| encodingArray, |
| plan.getCompressors().get(i)); |
| } |
| // normal measurement |
| else { |
| curSchema = |
| new MeasurementSchema( |
| plan.getMeasurements().get(i).get(0), |
| plan.getDataTypes().get(i).get(0), |
| plan.getEncodings().get(i).get(0), |
| plan.getCompressors().get(i)); |
| } |
| |
| String path = plan.getSchemaNames().get(i); |
| if (schemaMap.containsKey(path)) { |
| throw new IllegalArgumentException( |
| "Duplicate measurement name in create template plan. Name is :" + path); |
| } |
| |
| schemaMap.put(path, curSchema); |
| } |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| public Map<String, IMeasurementSchema> getSchemaMap() { |
| return schemaMap; |
| } |
| |
| public void setSchemaMap(Map<String, IMeasurementSchema> schemaMap) { |
| this.schemaMap = schemaMap; |
| } |
| |
| /** |
| * check whether a timeseries path is compatible with this template |
| * |
| * @param path timeseries path |
| * @return whether we can create this new timeseries (whether it's compatible with this template) |
| */ |
| public boolean isCompatible(PartialPath path) { |
| return !(schemaMap.containsKey(path.getMeasurement()) |
| || schemaMap.containsKey(path.getDevicePath().getMeasurement())); |
| } |
| |
| public boolean hasSchema(String measurementId) { |
| return schemaMap.containsKey(measurementId); |
| } |
| |
| public List<IMeasurementMNode> getMeasurementMNode() { |
| Set<IMeasurementSchema> deduplicateSchema = new HashSet<>(); |
| List<IMeasurementMNode> res = new ArrayList<>(); |
| |
| for (IMeasurementSchema measurementSchema : schemaMap.values()) { |
| if (deduplicateSchema.add(measurementSchema)) { |
| IMeasurementMNode measurementMNode = null; |
| if (measurementSchema instanceof MeasurementSchema) { |
| measurementMNode = |
| new MeasurementMNode( |
| null, measurementSchema.getMeasurementId(), measurementSchema, null); |
| |
| } else if (measurementSchema instanceof VectorMeasurementSchema) { |
| measurementMNode = |
| new MeasurementMNode( |
| null, |
| getMeasurementNodeName(measurementSchema.getMeasurementId()), |
| measurementSchema, |
| null); |
| } |
| |
| res.add(measurementMNode); |
| } |
| } |
| |
| return res; |
| } |
| |
| public String getMeasurementNodeName(String measurementName) { |
| return schemaMap.get(measurementName).getMeasurementId(); |
| } |
| |
| /** |
| * get all path in this template (to support aligned by device query) |
| * |
| * @return a hash map looks like below {vector -> [s1, s2, s3] normal_timeseries -> []} |
| */ |
| public HashMap<String, List<String>> getAllPath() { |
| HashMap<String, List<String>> res = new HashMap<>(); |
| for (Map.Entry<String, IMeasurementSchema> schemaEntry : schemaMap.entrySet()) { |
| if (schemaEntry.getValue() instanceof VectorMeasurementSchema) { |
| VectorMeasurementSchema vectorMeasurementSchema = |
| (VectorMeasurementSchema) schemaEntry.getValue(); |
| res.put(schemaEntry.getKey(), vectorMeasurementSchema.getValueMeasurementIdList()); |
| } else { |
| res.put(schemaEntry.getKey(), new ArrayList<>()); |
| } |
| } |
| |
| return res; |
| } |
| |
| @Override |
| public boolean equals(Object t) { |
| if (this == t) { |
| return true; |
| } |
| if (t == null || getClass() != t.getClass()) { |
| return false; |
| } |
| Template that = (Template) t; |
| return this.name.equals(that.name) && this.schemaMap.equals(that.schemaMap); |
| } |
| |
| @Override |
| public int hashCode() { |
| return new HashCodeBuilder(17, 37).append(name).append(schemaMap).toHashCode(); |
| } |
| } |