Re: Basic question - lightweight to-one relationship from entity to POJO/enum
Re: Basic question - lightweight to-one relationship from entity to POJO/enum
- Subject: Re: Basic question - lightweight to-one relationship from entity to POJO/enum
- From: Ramsey Lee Gurley <email@hidden>
- Date: Thu, 08 Apr 2010 08:26:24 -0400
For an enum specifically, you can use a custom component like
https://r2d2w.svn.sourceforge.net/svnroot/r2d2w/trunk/ERR2d2w/Components/Nonlocalized.lproj/R2D2WEditEnum.wo/
Or you can just use rules and the ERDEditToOneRelationship component. That component is flexible enough to handle the job. Spoiler: I actually plan on covering exactly this example in detail at WOWODC this year (^_^)
Ramsey
On Apr 8, 2010, at 4:52 AM, Mark Wardle wrote:
> Hi all, please forgive a very simple question but I'd like to create a
> lightweight (non-EO) to-one relationship from an EO. I make heavy use
> of D2W so I want to fulfil the WO/EOF rules and use to-one
> relationship components....
>
> I usually create a new entity and have a genuine heavyweight EOF
> relationship but I have several properties for which this seems
> excessive.
>
> I have an entity (FormEdssFull) which can have a visual field score
> for both right and left eye.
>
> Can I do this with a java enum?
>
> public enum VisualAcuity {
> NORMAL(0, "Normal"),
> SIGNS_ONLY(1, "Signs only:"),
> MODERATE(2, "Moderate"),
> MARKED(3, "Marked");
>
> /* insert enum constructor etc... */
> }
>
> and then create the appropriate accessor and mutator in the entity?
>
> What do other people do in these situations?
>
> Many thanks,
>
> Mark
>
> --
> Dr. Mark Wardle
> Specialist registrar, Neurology
> Cardiff, UK
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