//                                                                             =======
    @Override
    public FileConfigDbm asDBMeta() {
        return FileConfigDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "file_config";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    //                                                                             =======
    @Override
    public BadWordDbm asDBMeta() {
        return BadWordDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "bad_word";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    //                                                                             =======
    @Override
    public BoostDocumentRuleDbm asDBMeta() {
        return BoostDocumentRuleDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "boost_document_rule";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;

    //                                                                             =======
    @Override
    public ElevateWordDbm asDBMeta() {
        return ElevateWordDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "elevate_word";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    //                                                                             =======
    @Override
    public RequestHeaderDbm asDBMeta() {
        return RequestHeaderDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "request_header";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;

    //                                                                           =========
    private static final GroupDbm _instance = new GroupDbm();

    private GroupDbm() {
    }

    public static GroupDbm getInstance() {
        return _instance;
    }

    // ===================================================================================
    //                                                                       Current DBDef

    //                                                                             =======
    @Override
    public PathMappingDbm asDBMeta() {
        return PathMappingDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "path_mapping";
    }

    // ===================================================================================

    //                                                                             =======
    @Override
    public WebConfigDbm asDBMeta() {
        return WebConfigDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "web_config";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

  }

  @Override
  public String toString() {
    return toString;
  }

  private static MessageDigest getMessageDigest(String algorithmName) {
    try {
      return MessageDigest.getInstance(algorithmName);
    } catch (NoSuchAlgorithmException e) {
      throw new AssertionError(e);
    }
  }

  @Override
  public Hasher newHasher() {
    if (supportsClone) {
      try {

    //                                                                             =======
    @Override
    public JobLogDbm asDBMeta() {
        return JobLogDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "job_log";
    }

    // ===================================================================================