public static synchronized AdminContext lookup() {
        if (ctx != null) {
            return ctx;
        }
        try {
            ctx = (AdminContext) Class.forName(CORE_IMPL).newInstance();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        return ctx;
    }
public static synchronized AdminContext lookup ( ) { if ( ctx != null ) { return ctx ; } try { ctx = ( AdminContext ) Class . forName ( CORE_IMPL ) . newInstance ( ) ; } catch ( Exception e ) { throw new RuntimeException ( e ) ; } return ctx ; }
@return the admin context.