| /* |
| * 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.tsfile.utils.ReadWriteIOUtils; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import static org.apache.iotdb.commons.schema.SchemaConstant.NON_TEMPLATE; |
| |
| public class SchemaEntityNode extends SchemaInternalNode { |
| |
| private boolean isAligned; |
| |
| private Map<String, SchemaMeasurementNode> aliasChildren; |
| |
| private int templateId = NON_TEMPLATE; |
| |
| public SchemaEntityNode(String name) { |
| super(name); |
| } |
| |
| @Override |
| public SchemaNode getChild(String name) { |
| SchemaNode node = super.getChild(name); |
| if (node != null) { |
| return node; |
| } |
| return aliasChildren == null ? null : aliasChildren.get(name); |
| } |
| |
| public void addAliasChild(String alias, SchemaMeasurementNode measurementNode) { |
| if (aliasChildren == null) { |
| aliasChildren = new HashMap<>(); |
| } |
| aliasChildren.put(alias, measurementNode); |
| } |
| |
| public boolean isAligned() { |
| return isAligned; |
| } |
| |
| public void setAligned(boolean aligned) { |
| isAligned = aligned; |
| } |
| |
| public void setTemplateId(int templateId) { |
| this.templateId = templateId; |
| } |
| |
| public int getTemplateId() { |
| return templateId; |
| } |
| |
| @Override |
| public void replaceChild(String name, SchemaNode newChild) { |
| super.replaceChild(name, newChild); |
| if (newChild.isMeasurement()) { |
| SchemaMeasurementNode measurementNode = newChild.getAsMeasurementNode(); |
| if (measurementNode.getAlias() != null) { |
| aliasChildren.replace(name, measurementNode); |
| } |
| } |
| } |
| |
| @Override |
| public void copyDataTo(SchemaNode schemaNode) { |
| if (!schemaNode.isEntity()) { |
| return; |
| } |
| SchemaEntityNode entityNode = schemaNode.getAsEntityNode(); |
| entityNode.setAligned(isAligned); |
| entityNode.setTemplateId(templateId); |
| if (aliasChildren != null) { |
| for (SchemaMeasurementNode child : aliasChildren.values()) { |
| entityNode.addAliasChild(child.getAlias(), child); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isEntity() { |
| return true; |
| } |
| |
| @Override |
| public SchemaEntityNode getAsEntityNode() { |
| return this; |
| } |
| |
| @Override |
| public byte getType() { |
| return SCHEMA_ENTITY_NODE; |
| } |
| |
| @Override |
| public void serialize(OutputStream outputStream) throws IOException { |
| serializeChildren(outputStream); |
| ReadWriteIOUtils.write(getType(), outputStream); |
| ReadWriteIOUtils.write(name, outputStream); |
| ReadWriteIOUtils.write(isAligned, outputStream); |
| ReadWriteIOUtils.write(templateId, outputStream); |
| ReadWriteIOUtils.write(children.size(), outputStream); |
| } |
| |
| public static SchemaEntityNode deserialize(InputStream inputStream) throws IOException { |
| String name = ReadWriteIOUtils.readString(inputStream); |
| boolean isAligned = ReadWriteIOUtils.readBool(inputStream); |
| int templateId = ReadWriteIOUtils.readInt(inputStream); |
| SchemaEntityNode entityNode = new SchemaEntityNode(name); |
| entityNode.setAligned(isAligned); |
| entityNode.setTemplateId(templateId); |
| return entityNode; |
| } |
| } |