public static void main()

in wayang-benchmark/src/main/java/org/apache/wayang/apps/grep/Grep.java [100:149]

• 46 lines of code
• 8 McCabe index (conditional complexity)

  public static void main(String... args) throws Exception {
    int size = Integer.parseInt(args[0]);
    String platform = args[1];

    String input = args[2]+"/python/src/pywy/tests/resources/10e"+size+"MB.input";
    String output = args[2]+"/lala.out";

    String[] command = {"rm", "-r", output};
    Process process = Runtime.getRuntime().exec(command);

    long pre = System.currentTimeMillis();
    switch (platform){
      case "so":
        Runtime.getRuntime().exec(
            String.format(
                "grep \"six\" %s > %s",
                input,
                output
            )
        );
        break;
      case "pure-java":
        Grep.pureJava(input, output);
        break;
      case "pure-spark":
        Grep.pureSpark("file://"+input, "file://"+output);
        break;
      case "pure-flink":
        Grep.pureFlink(input, output);
        break;
      case "wayang-java":
        Grep.wayangJava("file://"+input, "file://"+output);
        break;
      case "wayang-spark":
        Grep.wayangSpark("file://"+input, "file://"+output);
        break;
      case "wayang-flink":
        Grep.wayangFlink("file://"+input, output);
        break;
    }
    long after = System.currentTimeMillis();
    System.out.println(
      String.format(
        "the platform %s took %f s",
        platform,
        (float)((after - pre)/1000.0)
      )
    );

  }