public OrderByFragmentTranslator(TranslationContext context) 
{
	   
		this.context = context;
}

 public String render(String fragment) 
{
		GeneratedOrderByLexer lexer = new GeneratedOrderByLexer( new StringReader( fragment ) );
		OrderByFragmentParser parser = new OrderByFragmentParser( lexer, context );
		try {
			parser.orderByFragment();
		}
		catch ( HibernateException e ) {
			throw e;
		}
		catch ( Throwable t ) {
			throw new HibernateException( "Unable to parse order-by fragment", t );
		}
		if ( log.isTraceEnabled() ) {
			ASTPrinter printer = new ASTPrinter( OrderByTemplateTokenTypes.class );
			log.trace( printer.showAsString( parser.getAST(), "--- {order-by fragment} ---" ) );
		}
		GeneratedOrderByFragmentRenderer renderer = new GeneratedOrderByFragmentRenderer();
		try {
			renderer.orderByFragment( parser.getAST() );
		}
		catch ( HibernateException e ) {
			throw e;
		}
		catch ( Throwable t ) {
			throw new HibernateException( "Unable to render parsed order-by fragment", t );
		}
		return renderer.getRenderedFragment();
}

The main contract, performing the transaction.