Hi All,
Chris and I talked out of band and we agree that the following proposal
should work out right:
https://github.com/ledgersmb/LedgerSMB/wiki/PGObject-(database-mapped)-classes-API
Regards,
Erik.
On Thu, Mar 9, 2017 at 9:46 PM, Erik Huelsmann <ehu...@gmail.com> wrote:
> Hi Chris,
>
> Could you help me with the following: our API for PGObject-based classes
> has only one constructor (the regular 'new' constructor). Many (but not
> all) classes can be passed a single 'id' value. The constructed object
> sometimes has a 'get' method.
> In some cases, this 'get' method returns a new instance, in other cases,
> the getter initializes fields in the 'current' instance.
>
> I'm thinking:
> * The fact that the getter sets up the current instance makes me want
> to use the getter with the 'primary key' (id) to retrieve the object
> from
> the database. However, this means we can't require any fields in the
> object.
> * If the 'get()' method would be a class-level constructor (like new),
> always
> returning a new instance, we could start requiring fields in our classes
> (because the getter will make sure that required values are retrieved
> from
> the database before the field checks happen)
>
> Would it be an idea to require a minimum number of methods and class
> methods to be implemented on a LedgerSMB::PGObject, like the ones above,
> but maybe also "save", "remove" (not delete, as that's a reserved word in
> Perl), ... (any others?)
>
> The API for the getter would include some kind of database connection as
> the argument, as well as a hash (to request a single object) or an array of
> hashes (to request multiple objects).
>
>
> Do you have any input on the matter?
>
>
> Regards,
>
> --
> Bye,
>
> Erik.
>
> http://efficito.com -- Hosted accounting and ERP.
> Robust and Flexible. No vendor lock-in.
>
--
Bye,
Erik.
http://efficito.com -- Hosted accounting and ERP.
Robust and Flexible. No vendor lock-in.
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