Re: Storing values that are relationship IDs (or how should i make anabstract history method)

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256


I see you've worked on this a lot. Has anyone suggested you implement  
it with journaling, which can do all this automatically? You might  
find it much easier.


On Jan 18, 2006, at 21:04, Matt Kime wrote:

> Here's the idea...
>
> I'm trying to create an abstract class to implement a history  
> system. I can have a object return its entity name and its  
> attribute values. I want to store these in a table that consists of:
>
> entityName
> entityID
> entityValue
>
> ---
>
> this way any class based on this abstract class will be able to  
> save its history. while this will work perfectly fine for  
> attributes, i'm concerned as to how it will work with to-one  
> relationships. yes, i can save the id value in the entityValue  
> field. but how will i turn this into a relationship again?
>
> i hope i've explained this well.
>
> thanks,
> matt
>
>
> _______________________________________________
> WebObjects-dev mailing list
> [email protected]
> http://www.omnigroup.com/mailman/listinfo/webobjects-dev


-----BEGIN PGP SIGNATURE-----
Version: PGP Universal 2.0.5

iQEUAwUBQ+oka6hZ7Y0V7IpdAQh5ewf4lcGLGN9KdMaAjv/V0pRO7/owmlPG5sdr
Unla6MYbUNlgKUt1kP1kdKkdroW3S/xjxbUbQVVIW54tCcfZTUdAyutWZyKr3lle
z6uua+5v1Utphw42uCUiMjunxLp3/mnt4uATO9fz6CDMMrYp9O/sERhxK3mFpbU7
29PEhYZBb4e7vBpy+4cV6SE973RPqt0zC7cKZrBQs3rrT/1ElQWXIKH6w6PFzn7T
QS+RirXQONheEZ1z5Eh48wij/ohCs1UtmrGL2Gy6METR1VzNuAKLGyX1Vdg7HEl7
9NDMb7kMsGdx9RuRCsLUw/XjaqoHe/eSUdebiGqtx6Ralkkf3m9D
=EcNH
-----END PGP SIGNATURE-----