content: /*
   * 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
   *
   *     https://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 example;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.Random;
  
  import org.apache.avro.file.DataFileWriter;
  import org.apache.avro.io.DatumWriter;
  import org.apache.avro.specific.SpecificDatumWriter;
  
  import example.avro.User;
  
  public class GenerateData {
    public static final String[] COLORS = {"red", "orange", "yellow", "green", "blue", "purple", null};
    public static final int USERS = 20;
    public static final String PATH = "./input/users.avro";
  
    public static void main(String[] args) throws IOException {
      // Open data file
      File file = new File(PATH);
      if (file.getParentFile() != null) {
        file.getParentFile().mkdirs();
      }
      DatumWriter<User> userDatumWriter = new SpecificDatumWriter<User>(User.class);
      DataFileWriter<User> dataFileWriter = new DataFileWriter<User>(userDatumWriter);
      dataFileWriter.create(User.SCHEMA$, file);
  
      // Create random users
      User user;
      Random random = new Random();
      for (int i = 0; i < USERS; i++) {
        user = new User("user", null, COLORS[random.nextInt(COLORS.length)]);
        dataFileWriter.append(user);
        System.out.println(user);
      }
  
      dataFileWriter.close();
    }
  }
  