public boolean isSet(_Fields field) {
    if (field == null) {
      throw new IllegalArgumentException();
    }

    switch (field) {
    case PATH:
      return isSetPath();
    case LENGTH:
      return isSetLength();
    case ISDIR:
      return isSetIsdir();
    case MODIFICATION_TIME:
      return isSetModification_time();
    case ACCESS_TIME:
      return isSetAccess_time();
    }
    throw new IllegalStateException();
  }
public boolean isSet ( _Fields field ) { if ( field == null ) { throw new IllegalArgumentException ( ) ; } switch ( field ) { case PATH : return isSetPath ( ) ; case LENGTH : return isSetLength ( ) ; case ISDIR : return isSetIsdir ( ) ; case MODIFICATION_TIME : return isSetModification_time ( ) ; case ACCESS_TIME : return isSetAccess_time ( ) ; } throw new IllegalStateException ( ) ; }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise