local interface Current : CORBA::Current {
         /**
          * Exception that indicates a LWFT::Current operation was
          * invoked outside of an FT invocation.
          */
         exception NoContext {};

         /**
          * Returns the group ID extracted from FT_REQUEST service context
          * @throws NoContext if called outside the context of a FT operation,
          */
         string get_client_id() raises(NoContext);
         
         /**
          * Returns the retention ID extracted from FT_REQUEST service context
          * @throws NoContext if called outside the context of a FT operation,
          */
         long get_retention_id() raises(NoContext);
         
         /**
          * Returns the expiration time extracted from FT_REQUEST service context
          * @throws NoContext if called outside the context of a FT operation,
          */
         ::TimeBase::TimeT get_expiration_time() raises(NoContext);
   };