| /* |
| * 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.schemaengine.template; |
| |
| import org.apache.iotdb.tsfile.utils.Pair; |
| import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class TemplateInternalRPCUtil { |
| |
| private TemplateInternalRPCUtil() {} |
| |
| public static byte[] generateAddTemplateSetInfoBytes(Template template, String templateSetPath) { |
| ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| try { |
| ReadWriteIOUtils.write(1, outputStream); |
| template.serialize(outputStream); |
| ReadWriteIOUtils.write(1, outputStream); |
| ReadWriteIOUtils.write(templateSetPath, outputStream); |
| } catch (IOException ignored) { |
| // won't reach here |
| } |
| return outputStream.toByteArray(); |
| } |
| |
| public static Map<Template, List<String>> parseAddTemplateSetInfoBytes(ByteBuffer buffer) { |
| int templateNum = ReadWriteIOUtils.readInt(buffer); |
| Map<Template, List<String>> result = new HashMap<>(templateNum); |
| int pathNum; |
| List<String> templateSetPathList; |
| for (int i = 0; i < templateNum; i++) { |
| Template template = new Template(); |
| template.deserialize(buffer); |
| |
| pathNum = ReadWriteIOUtils.readInt(buffer); |
| templateSetPathList = new ArrayList<>(pathNum); |
| for (int j = 0; j < pathNum; j++) { |
| templateSetPathList.add(ReadWriteIOUtils.readString(buffer)); |
| } |
| result.put(template, templateSetPathList); |
| } |
| return result; |
| } |
| |
| public static byte[] generateAddAllTemplateSetInfoBytes( |
| Map<Template, List<Pair<String, Boolean>>> templateSetInfo) { |
| ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| try { |
| ReadWriteIOUtils.write(templateSetInfo.size(), outputStream); |
| for (Map.Entry<Template, List<Pair<String, Boolean>>> entry : templateSetInfo.entrySet()) { |
| entry.getKey().serialize(outputStream); |
| ReadWriteIOUtils.write(entry.getValue().size(), outputStream); |
| for (Pair<String, Boolean> templateSetPath : entry.getValue()) { |
| ReadWriteIOUtils.write(templateSetPath.left, outputStream); |
| ReadWriteIOUtils.write(templateSetPath.right, outputStream); |
| } |
| } |
| } catch (IOException ignored) { |
| // won't reach here |
| } |
| return outputStream.toByteArray(); |
| } |
| |
| public static Map<Template, List<Pair<String, Boolean>>> parseAddAllTemplateSetInfoBytes( |
| ByteBuffer buffer) { |
| int templateNum = ReadWriteIOUtils.readInt(buffer); |
| Map<Template, List<Pair<String, Boolean>>> result = new HashMap<>(templateNum); |
| int pathNum; |
| List<Pair<String, Boolean>> templateSetPathList; |
| for (int i = 0; i < templateNum; i++) { |
| Template template = new Template(); |
| template.deserialize(buffer); |
| |
| pathNum = ReadWriteIOUtils.readInt(buffer); |
| templateSetPathList = new ArrayList<>(pathNum); |
| for (int j = 0; j < pathNum; j++) { |
| templateSetPathList.add( |
| new Pair<>(ReadWriteIOUtils.readString(buffer), ReadWriteIOUtils.readBool(buffer))); |
| } |
| result.put(template, templateSetPathList); |
| } |
| return result; |
| } |
| |
| public static byte[] generateInvalidateTemplateSetInfoBytes(int templateId, String path) { |
| ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| try { |
| ReadWriteIOUtils.write(templateId, outputStream); |
| ReadWriteIOUtils.write(path, outputStream); |
| } catch (IOException ignored) { |
| // won't reach here |
| } |
| return outputStream.toByteArray(); |
| } |
| |
| public static Pair<Integer, String> parseInvalidateTemplateSetInfoBytes(ByteBuffer buffer) { |
| return new Pair<>(ReadWriteIOUtils.readInt(buffer), ReadWriteIOUtils.readString(buffer)); |
| } |
| |
| public static byte[] generateUpdateTemplateInfoBytes(Template template) { |
| return template.serialize().array(); |
| } |
| |
| public static Template parseUpdateTemplateInfoBytes(ByteBuffer buffer) { |
| Template template = new Template(); |
| template.deserialize(buffer); |
| return template; |
| } |
| } |