Okay I think I understand; but we would have that same confusion just with the
existing method right?
How about we change the parameter name to be "unqiueFunctionName".
I tend to like what I suggested; however here are a couple of alternate ideas:
1. Avoid the possibility of confusion (well we could not do negative number of
args this way):
FilterFactory.functionName( String unqiueFunctionName, int nargs);
FilterFactory.functionName( String unqiueFunctionName, List<String> arguments )
2. break my head
FilterFactory.functionName( String unqiueFunctionName, int nargs, Hints hints )
No matter what we do people could make conflicting FunctionNames; they may even
need to if they are working with
multiple external servers.
--
Jody Garnett
On Sunday, 17 April 2011 at 11:24 PM, Andrea Aime wrote:
> On Sun, Apr 17, 2011 at 1:18 PM, Jody Garnett <[email protected]> wrote:
>
> > I don't understand? We have an internal FunctionNameImpl; but the factory
> > only allows me to call functionName( String name, int args). There is no way
> > using the factory to make a FunctionName that includes the list of
> > attributes.
>
> From your proposal:
>
> interface FilterFactory {
> ....
> /** function name */
> FunctionName functionName(String name, int nargs);
> FunctionName functionName(String name, int nargs, List<String> argNames);
> ...
> }
>
> Now looking at the interface without thinking about how it's
> implemented I would gather
> that:
> - it's possible to have multiple functions named the same way,
> provided they have
> a different amount of arguments
> - it's possible to have mutiple functions named in the same way, with the same
> amount of arguments, provided they have different argument names.
>
> Makes sense?
>
> Cheers
> Andrea
>
> --
> -------------------------------------------------------
> Ing. Andrea Aime
> GeoSolutions S.A.S.
> Tech lead
>
> Via Poggio alle Viti 1187
> 55054 Massarosa (LU)
> Italy
>
> phone: +39 0584 962313
> fax: +39 0584 962313
> mob: +39 333 8128928
>
> http://www.geo-solutions.it
> http://geo-solutions.blogspot.com/
> http://www.youtube.com/user/GeoSolutionsIT
> http://www.linkedin.com/in/andreaaime
> http://twitter.com/geowolf
>
> -------------------------------------------------------
>
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