[Swift-devel] Re: runtime mapper loading of mappers

[Michael Wilde]

Is it reasonable to see if simple shell scripts can serve as mappers?
Then add a way to nicely configure them?  (eg MAPPERPATH, mappers.data etc)

I think the ability to express the mapping functions through a 
command-line interface will enable people to write mappers in any 
language they want, starting with shell.

We'd need to measure, but I suspect the performance hit for such a 
call-out to mappers will be negligible for most workflows.

Is that where this is going, Ben, or are you focusing first on making 
Java mappers easier to add?

- Mike


On 9/28/07 10:27 AM, Mihael Hategan wrote:
> On Fri, 2007-09-28 at 15:23 +0000, Ben Clifford wrote:
>>> @registerMapper()
>> If class names are being mentioned in the source code, it might be good to 
>> permit direct use of the classname for ease of initial use, thusly:
>>
>> file f <org.myproject.HappyMapper; files="*", foo=7>;
>>
>> That removes the need for registration of new mappers which appeals to me 
>> from the perspective of making use easier to describe to developers of new 
>> mappers.
> 
> It may become annoying if there are many of those. So aliasing them
> might be useful.
> 
> 
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