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

    switch (field) {
    case ID:
      return isSetId();
    case USER:
      return isSetUser();
    case TIMESTAMP:
      return isSetTimestamp();
    case ACTION:
      return isSetAction();
    case INTERVAL:
      return isSetInterval();
    case DETECTION_SYSTEM:
      return isSetDetectionSystem();
    }
    throw new IllegalStateException();
  }
public boolean isSet ( _Fields field ) { if ( field == null ) { throw new IllegalArgumentException ( ) ; } switch ( field ) { case ID : return isSetId ( ) ; case USER : return isSetUser ( ) ; case TIMESTAMP : return isSetTimestamp ( ) ; case ACTION : return isSetAction ( ) ; case INTERVAL : return isSetInterval ( ) ; case DETECTION_SYSTEM : return isSetDetectionSystem ( ) ; } throw new IllegalStateException ( ) ; }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise