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Re: methods with same name
by davidmarginian
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If you want to see how DWR handles finding the method to call (of course
the parameter list is a crucial part of finding the correct method) take
a look at Call.java, I believe there is a method called findMethod or
something like that (don't have the source in front of me right now).
Jose Noheda wrote:
> In short, you need the parameters (not the return type).
>
> Regards
>
> 2009/6/10 Nicolás Pace <nicopace@... <mailto:nicopace@...>>
>
> On Tue, Jun 9, 2009 at 10:11 PM, David
> Marginian<david@... <mailto:david@...>> wrote:
> > That question doesn't even make sense. The parameter list is
> what makes a
> > method unique.
>
> I'm aware that the signature is composed of return type, method name,
> argument types (in order).
> We just made a simplification because javascript doen't allow us to
> distiguish between to methods just by reflection.We don't know until
> we call, unless we define which method we will call with all the
> signature definition, not just the name.
>
> The idea is:
> i know that in some screen i will need to call method1(arg1, arg2) &
> method2(arg1),
> So before y create that interface, i query securityService if my
> credentials will allow me to call this methods (this applies only for
> beforeinvocation).
>
> But the problem arrise when you have 2 methods with the same name,
> because we where querying just with the method name.
>
> We have 2 ways, to ask for the whole signature or to ask not to use
> the same method name for 2 methods in the same class.
>
> The rest of the discussion and an implementation can be found here:
> http://forum.springsource.org/showthread.php?t=72916
>
> Regards,
>
>
> What do you think?
>
> >
> > Nicolás Pace wrote:
> >>
> >> On Tue, Jun 9, 2009 at 8:16 PM, David
> Marginian<david@... <mailto:david@...>>
> >> wrote:
> >>
> >>>
> >>> There is no how, it should just work. I thought we had a few
> tests in
> >>> testdwr that cover this but I don't see them. If they don't
> exist I will
> >>> create a JIRA for us to add them. If you continue to have
> problems I
> >>> suggest sending us the class that you are trying to remote.
> >>>
> >>
> >> I'm not trying to remote anything :D
> >> I'm working in integrating dwr, acegi and method invocation
> authorization.
> >> We have done a service that asks acegi if a principal is
> authorized to
> >> call a method, and we had problems because we where taking into
> >> account just the methodName and not the arguments.
> >> Is there anything to differeciate two calls to different
> methods with
> >> the same name apart from the arguments?
> >>
> >> Regards,
> >>
> >>
> >>
> >>>
> >>> Nicolás Pace wrote:
> >>>
> >>>>
> >>>> On Tue, Jun 9, 2009 at 6:07 PM, Lance
> Java<lance.java@... <mailto:lance.java@...>>
> >>>> wrote:
> >>>>
> >>>>
> >>>>>
> >>>>> I note that this issue is resolved in v3.0
> >>>>> http://bugs.directwebremoting.org/bugs/browse/DWR-274
> >>>>>
> >>>>> I've never tried it though.
> >>>>>
> >>>>>
> >>>>
> >>>> How do you do this? Which classes are involved?
> >>>>
> >>>> Regards
> >>>>
> >>>>
> >>>>
> >>>>>
> >>>>> 2009/6/9 Nicolás Pace <nicopace@...
> <mailto:nicopace@...>>
> >>>>>
> >>>>>
> >>>>>>
> >>>>>> We are all supposing that methods there are not repetead
> method names,
> >>>>>> aren't we?
> >>>>>> i don't find the way to refernce one method between 2 with
> the same
> >>>>>> name (different attributes/return type).
> >>>>>> Regards,
> >>>>>>
> >>>>>> --
> >>>>>> Ing. Nicolás Pace
> >>>>>> http://www.linkedin.com/in/nickar/
> >>>>>> http://www.jornadasdelsur.org.ar/
> >>>>>>
> >>>>>>
> ---------------------------------------------------------------------
> >>>>>> To unsubscribe, e-mail: users-unsubscribe@...
> <mailto:users-unsubscribe@...>
> >>>>>> For additional commands, e-mail:
> users-help@... <mailto:users-help@...>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> ---------------------------------------------------------------------
> >>> To unsubscribe, e-mail: users-unsubscribe@...
> <mailto:users-unsubscribe@...>
> >>> For additional commands, e-mail: users-help@...
> <mailto:users-help@...>
> >>>
> >>>
> >>>
> >>
> >>
> >>
> >>
> >
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: users-unsubscribe@...
> <mailto:users-unsubscribe@...>
> > For additional commands, e-mail: users-help@...
> <mailto:users-help@...>
> >
> >
>
>
>
> --
> Ing. Nicolás Pace
> http://www.linkedin.com/in/nickar/
> http://www.jornadasdelsur.org.ar/
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@...
> <mailto:users-unsubscribe@...>
> For additional commands, e-mail: users-help@...
> <mailto:users-help@...>
>
>
---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@...
For additional commands, e-mail: users-help@...
the parameter list is a crucial part of finding the correct method) take
a look at Call.java, I believe there is a method called findMethod or
something like that (don't have the source in front of me right now).
Jose Noheda wrote:
> In short, you need the parameters (not the return type).
>
> Regards
>
> 2009/6/10 Nicolás Pace <nicopace@... <mailto:nicopace@...>>
>
> On Tue, Jun 9, 2009 at 10:11 PM, David
> Marginian<david@... <mailto:david@...>> wrote:
> > That question doesn't even make sense. The parameter list is
> what makes a
> > method unique.
>
> I'm aware that the signature is composed of return type, method name,
> argument types (in order).
> We just made a simplification because javascript doen't allow us to
> distiguish between to methods just by reflection.We don't know until
> we call, unless we define which method we will call with all the
> signature definition, not just the name.
>
> The idea is:
> i know that in some screen i will need to call method1(arg1, arg2) &
> method2(arg1),
> So before y create that interface, i query securityService if my
> credentials will allow me to call this methods (this applies only for
> beforeinvocation).
>
> But the problem arrise when you have 2 methods with the same name,
> because we where querying just with the method name.
>
> We have 2 ways, to ask for the whole signature or to ask not to use
> the same method name for 2 methods in the same class.
>
> The rest of the discussion and an implementation can be found here:
> http://forum.springsource.org/showthread.php?t=72916
>
> Regards,
>
>
> What do you think?
>
> >
> > Nicolás Pace wrote:
> >>
> >> On Tue, Jun 9, 2009 at 8:16 PM, David
> Marginian<david@... <mailto:david@...>>
> >> wrote:
> >>
> >>>
> >>> There is no how, it should just work. I thought we had a few
> tests in
> >>> testdwr that cover this but I don't see them. If they don't
> exist I will
> >>> create a JIRA for us to add them. If you continue to have
> problems I
> >>> suggest sending us the class that you are trying to remote.
> >>>
> >>
> >> I'm not trying to remote anything :D
> >> I'm working in integrating dwr, acegi and method invocation
> authorization.
> >> We have done a service that asks acegi if a principal is
> authorized to
> >> call a method, and we had problems because we where taking into
> >> account just the methodName and not the arguments.
> >> Is there anything to differeciate two calls to different
> methods with
> >> the same name apart from the arguments?
> >>
> >> Regards,
> >>
> >>
> >>
> >>>
> >>> Nicolás Pace wrote:
> >>>
> >>>>
> >>>> On Tue, Jun 9, 2009 at 6:07 PM, Lance
> Java<lance.java@... <mailto:lance.java@...>>
> >>>> wrote:
> >>>>
> >>>>
> >>>>>
> >>>>> I note that this issue is resolved in v3.0
> >>>>> http://bugs.directwebremoting.org/bugs/browse/DWR-274
> >>>>>
> >>>>> I've never tried it though.
> >>>>>
> >>>>>
> >>>>
> >>>> How do you do this? Which classes are involved?
> >>>>
> >>>> Regards
> >>>>
> >>>>
> >>>>
> >>>>>
> >>>>> 2009/6/9 Nicolás Pace <nicopace@...
> <mailto:nicopace@...>>
> >>>>>
> >>>>>
> >>>>>>
> >>>>>> We are all supposing that methods there are not repetead
> method names,
> >>>>>> aren't we?
> >>>>>> i don't find the way to refernce one method between 2 with
> the same
> >>>>>> name (different attributes/return type).
> >>>>>> Regards,
> >>>>>>
> >>>>>> --
> >>>>>> Ing. Nicolás Pace
> >>>>>> http://www.linkedin.com/in/nickar/
> >>>>>> http://www.jornadasdelsur.org.ar/
> >>>>>>
> >>>>>>
> ---------------------------------------------------------------------
> >>>>>> To unsubscribe, e-mail: users-unsubscribe@...
> <mailto:users-unsubscribe@...>
> >>>>>> For additional commands, e-mail:
> users-help@... <mailto:users-help@...>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> ---------------------------------------------------------------------
> >>> To unsubscribe, e-mail: users-unsubscribe@...
> <mailto:users-unsubscribe@...>
> >>> For additional commands, e-mail: users-help@...
> <mailto:users-help@...>
> >>>
> >>>
> >>>
> >>
> >>
> >>
> >>
> >
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: users-unsubscribe@...
> <mailto:users-unsubscribe@...>
> > For additional commands, e-mail: users-help@...
> <mailto:users-help@...>
> >
> >
>
>
>
> --
> Ing. Nicolás Pace
> http://www.linkedin.com/in/nickar/
> http://www.jornadasdelsur.org.ar/
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@...
> <mailto:users-unsubscribe@...>
> For additional commands, e-mail: users-help@...
> <mailto:users-help@...>
>
>
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