> On Tue, 2010/02/23, Ken Tabb <k.j.t...@herts.ac.uk> wrote:
> From: Ken Tabb <k.j.t...@herts.ac.uk>
> Subject: Re: Core Data: Custom to-many relationship setter not being invoked
> To: "Quincey Morris" <quinceymor...@earthlink.net>
> Cc: "cocoa-dev" <cocoa-dev@lists.apple.com>
> Date: Tuesday, 2010 February 23, 03:20 AM
> Adding is via a button going to an
> Employee array controller's -add. In the interface there are
> 2 array controllers (1 for Departments, 1 for Employees).
> The Employees controller is set to use the selection in the
> Departments controller (i.e. showing the subset belonging to
> the selected dept).
>
> Adding and deleting Departments and Employees is fine
> (everything gets hooked up / added / deleted properly), and
> if I look in the XML Core Data store, all is well. It's just
> my custom accessors (the 4 mentioned below) don't get used,
> whereas -setEmployees does.
>
> Do you reckon it's because the adding is happening from the
> Employee side of things rather than the Department side of
> things? Shouldn't both sides have their accessor methods
> called (thanks to the inverse relationship)?
>
> I can't believe it's relevant, but the Department's
> 'employees' relationship is mandatory, as is the inverse
> relationship.
>
> Weird isn't it :)
>
> Ken
>
> On 23 Feb 2010, at 2:34, Quincey Morris wrote:
>
> > On Feb 22, 2010, at 15:54, Ken Tabb wrote:
> >
> >> Yep I implemented all 4, as per the Design ->
> Data Model -> Copy to clipboard template, i.e.
> >>
> >> - (void)addEmployeesObject:(Employee *)value;
> >> - (void)removeEmployeesObject:(Employee *)value;
> >> - (void)addEmployees:(NSSet *)value;
> >> - (void)removeEmployees:(NSSet *)value;
> >>
> >> However if I implement -setEmployees as per
> Jerry's e-mail (and seemingly contravening the advice in the
> Core Data Programming Guide), then it works like a charm
> :-/
> >
> > There's something else going here, though it isn't
> clear what. One thing you haven't said is *how* you're
> adding employees. Could you show the code that does this?
It's not something simple like
Employees vs. Employee
is it?
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