[Dev] redirect and Who, About and Date

Andi Vajda vajda at osafoundation.org
Wed Mar 8 17:43:00 PST 2006

On Wed, 8 Mar 2006, John Anderson wrote:

> I'm planning on getting rid of redirect attributes to handle the Who, About 
> and Date attributes in the Summary Table. Instead I plan to add an explicit 
> Who, About and Date attribute. By noticing when attributes that affect the 
> value of Who, About or Date change (using onValueChanged), I'll update Who, 
> About and Date as necessary.
> This is simple to implement and eliminates the current problem where Who, 
> About and Date sometimes doesn't display the correct value. It also doesn't 
> require a special "computed attribute" that isn't stored in the repository, 
> so you can always search for Who, About and Date like any other attribute. 
> Finally, it allows Andi to get rid of redirect, which simplifies the 
> repository design.

We recently discussed something related to this on IRC and came up with a new 
attribute aspect, bequeathTo, that would allow you not to have to use 
onValueChanged() to bequeath a value from an attribute to another attribute 
after it changed.

I'm planning on implementing this in the next few weeks.


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