if ( !started )
if ( state == NOT_STARTED || state == CLOSED )
	private void checkStarted( ) throws DataException	{		if ( !started )		{			DataException e = new DataException( ResourceConstants.RESULT_CLOSED );			logger.logp( Level.FINE,					ResultIterator.class.getName( ),					"checkStarted",					"ResultIterator has been closed.",					e );			throw e;		}	}