why ?
why the field must be public ?
Primary Keys are read-only object... but as I don't know very much the ejb
specs, can be that it is mandatory. I was just wondering.
> -----Original Message-----
> From: A mailing list for Enterprise JavaBeans development
> [mailto:[EMAIL PROTECTED]]On Behalf Of Vlada Matena
> Sent: Wednesday, April 26, 2000 12:47 AM
> To: [EMAIL PROTECTED]
> Subject: Re: EJB spec does not permit numbers as primary keys
>
>
> The primary key class MyPK defined below is legal in EJB 1.1. However,
> the "value" field must be defined as "public" in the class.
>
> Vlada
>
> ----- Original Message -----
> From: "Evan Ireland" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, April 25, 2000 3:25 PM
> Subject: Re: EJB spec does not permit numbers as primary keys
>
>
> > "Jonathan K. Weedon" wrote:
> > >
> > > c) Primary Key wrapper classes for single field primary
> > > keys are deprecated in EJB 1.1. This precludes using a
> > > class FooPK as a primary key type.
> >
> > If this is deprecated (although I can see no evidence of it
> myself) then it
> > is a big mistake.
> >
> > I suspect that it is not deprecated. I would recommend the
> following pattern
> > for numeric primary keys:
> >
> > public class MyPK
> > {
> > int value;
> >
> > MyPK() { ... }
> >
> > // hashCode and equals ...
> > }
> >
> > This is preferable to using java.lang.Integer as a primary key
> type as it gives
> > you better type safety (you can't accidentally pass an
> AccountKey where a
> > CustomerKey is expected).
> >
> > <vendor>
> > We also permit entity components to have non-valuetype primary
> keys in our
> > product, but the mechanism is proprietary and so we leave it
> undocumented.
> > </vendor>
> >
> __________________________________________________________________
> ______________
> >
> > Evan Ireland Sybase EAServer Engineering
> [EMAIL PROTECTED]
> > Wellington, New Zealand
> +64 4 934-5856
> >
> >
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> >
> >
>
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