Re: entity question FK join question

Posted by snowch on
URL: http://ofbiz.116.s1.nabble.com/entity-question-FK-join-question-tp144397p144399.html

Jonathon,

I was referring to the Uom Entity in ofbiz common.  I don't want users
to modify the data in the Uom Entity, just to be able to select from the
values Uom's where uomTypeId=TIME_FREQ_MEASURE .

<MyEntity ..
  <field name="proximityDate" ..
  <field name="proximityDateUomId" ..
  ..

I only want to join MyEntity to the Uom entity for Time/Frequency Uom's
as the other Uom's (e.g. Energy) don't make much sense for me.

I was hoping not to do this at the service/application layer as I would
need to specify this constraint in multiple places.

Sorry for the confusion!

Many thanks,

Chris



On Thu, 2007-02-08 at 15:54 +0800, Jonathon -- Improov wrote:

> Christopher,
>
> Services/forms/etc, aka application level/layer.
>
> After all, you need to constrain inputs from the end-user first.
>
> Jonathon
>
> Christopher Snow wrote:
> > I have an entity that is related to the Uom entity, but only where
> > uomTypeId=TIME_FREQ_MEASURE
> >
> > Is it possible to set this constraint at the entity level?, or
> > should I create an entity view for this limited subset?, or
> > should all my services/forms/etc constrain the uomTypeId?
> >
> > Many thanks,
> >
> > Chris
> >
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