| /* |
| * 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.schema; |
| |
| import org.apache.tsfile.exception.PathParseException; |
| import org.apache.tsfile.read.common.parser.PathNodesGenerator; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| |
| /** |
| * Before creating paths in IoTDB, it's essential to check whether the paths are correct to avoid |
| * errors. |
| * |
| * <p>This example checks the paths . You can add paths to the inputList or read paths from files |
| * generated by export-csv.sh/export-csv.bat. |
| * |
| * <p>The usage of export-csv.sh can be found in the <a |
| * href="https://iotdb.apache.org/zh/UserGuide/V1.2.x/Tools-System/Import-Export-Tool.html#csv%E5%AF%BC%E5%85%A5%E5%AF%BC%E5%87%BA%E5%B7%A5%E5%85%B7">documentation</a>. |
| * For example: ./export-csv.sh -h 127.0.0.1 -p 6667 -u root -pw root -td . -q "show timeseries" |
| */ |
| public class PathCheckExample { |
| private static final List<String> INPUT_LIST = new ArrayList<>(); |
| private static final String DIR = "/Users/root/iotdb/tools"; |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(PathCheckExample.class); |
| |
| // concurrent thread of path check |
| private static final int CONCURRENCY = 5; |
| |
| public static void main(String[] args) { |
| batchCheck(); |
| dirCheck(); |
| } |
| |
| private static void batchCheck() { |
| INPUT_LIST.add("root.test.d1.s1"); |
| INPUT_LIST.add("root.b+.d1.s2"); |
| INPUT_LIST.add("root.test.1.s3"); |
| INPUT_LIST.add("root.test.d-j.s4"); |
| INPUT_LIST.add("root.test.'8`7'.s5"); |
| INPUT_LIST.add("root.test.`1`.s6"); |
| INPUT_LIST.add("root.test.\"d+b\".s7"); |
| for (String path : INPUT_LIST) { |
| checkPath(path); |
| } |
| } |
| |
| // This function wile check whether the paths are correct in current version. |
| private static void checkPath(String path) { |
| try { |
| PathNodesGenerator.checkPath(path); |
| } catch (PathParseException e) { |
| LOGGER.error("{} is not a legal path.", path); |
| } |
| } |
| |
| /** |
| * Using multiple threads to check the paths in the files of the directory. the files are created |
| * by export-csv.sh/export-csv.bat. |
| */ |
| public static void dirCheck() { |
| |
| List<Future<Void>> futureList = new ArrayList<>(); |
| ExecutorService executorService = Executors.newFixedThreadPool(CONCURRENCY); |
| File dir = new File(DIR); |
| for (File file : Objects.requireNonNull(dir.listFiles())) { |
| if (file.getName().startsWith("dump") && file.getName().endsWith(".csv")) { |
| Future<Void> future = executorService.submit(new CheckThread(file)); |
| futureList.add(future); |
| } |
| } |
| try { |
| for (Future<Void> future : futureList) { |
| future.get(); |
| } |
| } catch (InterruptedException | ExecutionException e) { |
| LOGGER.error("Error when checking paths."); |
| Thread.currentThread().interrupt(); |
| } |
| executorService.shutdown(); |
| } |
| |
| static class CheckThread implements Callable<Void> { |
| File file; |
| |
| public CheckThread(File file) { |
| this.file = file; |
| } |
| |
| @Override |
| public Void call() { |
| try (BufferedReader br = new BufferedReader(new FileReader(file))) { |
| |
| String line = br.readLine(); |
| while ((line = br.readLine()) != null) { |
| String[] split = line.split(","); |
| String path = split[0]; |
| checkPath(path); |
| } |
| } catch (IOException e) { |
| LOGGER.error("Error reading file: {}", file.getName()); |
| throw new RuntimeException(e); |
| } |
| return null; |
| } |
| } |
| } |