| /* |
| * 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.common.schematree.node; |
| |
| import org.apache.iotdb.commons.schema.view.LogicalViewSchema; |
| import org.apache.iotdb.db.queryengine.common.schematree.IMeasurementSchemaInfo; |
| |
| import org.apache.tsfile.utils.ReadWriteIOUtils; |
| import org.apache.tsfile.write.schema.IMeasurementSchema; |
| import org.apache.tsfile.write.schema.MeasurementSchema; |
| import org.apache.tsfile.write.schema.MeasurementSchemaType; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.Map; |
| |
| public class SchemaMeasurementNode extends SchemaNode implements IMeasurementSchemaInfo { |
| |
| private String alias; |
| private IMeasurementSchema schema; |
| |
| private Map<String, String> tagMap; |
| |
| public SchemaMeasurementNode(String name, IMeasurementSchema schema) { |
| super(name); |
| this.schema = schema; |
| } |
| |
| public String getAlias() { |
| return alias; |
| } |
| |
| @Override |
| public boolean isLogicalView() { |
| return this.schema.isLogicalView(); |
| } |
| |
| public void setAlias(String alias) { |
| this.alias = alias; |
| } |
| |
| public IMeasurementSchema getSchema() { |
| return schema; |
| } |
| |
| @Override |
| public MeasurementSchema getSchemaAsMeasurementSchema() { |
| if (this.schema instanceof MeasurementSchema) { |
| return (MeasurementSchema) this.getSchema(); |
| } |
| return null; |
| } |
| |
| @Override |
| public LogicalViewSchema getSchemaAsLogicalViewSchema() { |
| if (this.schema instanceof LogicalViewSchema) { |
| return (LogicalViewSchema) this.getSchema(); |
| } |
| return null; |
| } |
| |
| @Override |
| public Map<String, String> getTagMap() { |
| return tagMap; |
| } |
| |
| @Override |
| public SchemaNode getChild(String name) { |
| return null; |
| } |
| |
| @Override |
| public void replaceChild(String name, SchemaNode newChild) { |
| throw new UnsupportedOperationException( |
| "This operation is not supported in SchemaMeasurementNode."); |
| } |
| |
| @Override |
| public void copyDataTo(SchemaNode schemaNode) { |
| if (!schemaNode.isMeasurement()) { |
| return; |
| } |
| SchemaMeasurementNode measurementNode = schemaNode.getAsMeasurementNode(); |
| measurementNode.setSchema(schema); |
| measurementNode.setAlias(alias); |
| } |
| |
| private void setSchema(IMeasurementSchema schema) { |
| this.schema = schema; |
| } |
| |
| public void setTagMap(Map<String, String> tagMap) { |
| this.tagMap = tagMap; |
| } |
| |
| @Override |
| public boolean isMeasurement() { |
| return true; |
| } |
| |
| @Override |
| public SchemaMeasurementNode getAsMeasurementNode() { |
| return this; |
| } |
| |
| @Override |
| public byte getType() { |
| return SCHEMA_MEASUREMENT_NODE; |
| } |
| |
| @Override |
| public void serialize(OutputStream outputStream) throws IOException { |
| ReadWriteIOUtils.write(getType(), outputStream); |
| ReadWriteIOUtils.write(name, outputStream); |
| ReadWriteIOUtils.write(alias, outputStream); |
| |
| MeasurementSchemaType measurementSchemaType = schema.getSchemaType(); |
| ReadWriteIOUtils.write( |
| measurementSchemaType.getMeasurementSchemaTypeInByteEnum(), outputStream); |
| schema.serializeTo(outputStream); |
| |
| ReadWriteIOUtils.write(tagMap, outputStream); |
| } |
| |
| public static SchemaMeasurementNode deserialize(InputStream inputStream) throws IOException { |
| String name = ReadWriteIOUtils.readString(inputStream); |
| String alias = ReadWriteIOUtils.readString(inputStream); |
| |
| IMeasurementSchema schema = null; |
| byte measurementSchemaType = ReadWriteIOUtils.readByte(inputStream); |
| if (measurementSchemaType |
| == MeasurementSchemaType.MEASUREMENT_SCHEMA.getMeasurementSchemaTypeInByteEnum()) { |
| schema = MeasurementSchema.deserializeFrom(inputStream); |
| } else if (measurementSchemaType |
| == MeasurementSchemaType.LOGICAL_VIEW_SCHEMA.getMeasurementSchemaTypeInByteEnum()) { |
| schema = LogicalViewSchema.deserializeFrom(inputStream); |
| } |
| |
| Map<String, String> tagMap = ReadWriteIOUtils.readMap(inputStream); |
| |
| SchemaMeasurementNode measurementNode = new SchemaMeasurementNode(name, schema); |
| measurementNode.setAlias(alias); |
| measurementNode.setTagMap(tagMap); |
| return measurementNode; |
| } |
| } |