Re: help with a relationship...
Re: help with a relationship...
- Subject: Re: help with a relationship...
- From: Theodore Petrosky <email@hidden>
- Date: Wed, 6 May 2009 10:38:16 -0700 (PDT)
I initialize contactEO in the constructor like this.
contactEO = ERXEC.newEditingContext();
Ted
--- On Wed, 5/6/09, Chuck Hill <email@hidden> wrote:
> From: Chuck Hill <email@hidden>
> Subject: Re: help with a relationship...
> To: "Theodore Petrosky" <email@hidden>
> Cc: email@hidden
> Date: Wednesday, May 6, 2009, 12:47 PM
>
> On May 6, 2009, at 8:08 AM, Theodore Petrosky wrote:
>
> >
> > I have an object -- Contact -- the has a relationship
> to a Category.
> >
> > each contact one category. when I create a new
> contact, I read the categories from the backend and apply
> the first (zeroth) category (my generic category)
> >
> > public void createNewContact() {
> >
> NSLog.out.appendln("top of createNewContact
> +++++++++++++++++++++++++++++");
> >
> > newContact = new
> Contact();
> Unrelated, but that line above is not needed with the next
> line:
> >
> > newContact =
> (Contact)EOUtilities.createAndInsertInstance(contactEO,
> "Contact");
>
> contactEO is an EditingContext, not an EO, right?
>
>
> >
> >
> >
> newContact.setContactCategory(contactCategoryList.objectAtIndex(0));
> >
> NSLog.out.appendln("newContact.setSubCategory+++ = " +
> newContact.subCategory());
> >
> newContact.setUser(repList.objectAtIndex(0));
> > }
> >
> > This works beautifully. I get a new contact. If I
> actually type something in the contact name field and
> saveChanges() to the EO everything is happy.
> >
> > well they want to add subCategories. I create the
> entity and have a relationship between subCategory and
> Contacts as well as subCategory and Category.
> >
> > each contact one subCategory
> > each Category one subCategory
> >
> > but obviously each Category many subCategories (same
> for Contacts).
> >
> > I can not seem to get the relation to work with the
> subCategory... I need to create a new contact so I add a
> line to the createNewContact:
> >
> >
> newContact.setSubCategory(subCategoryList.objectAtIndex(0));
> >
> > obviously subCategoryList is an array of subCategories
> that I read in exactly the same as the categoryList.
> >
> > so when I try to save the EO I get an error:
> >
> > - ValidationException e = Please provide a
> <b>Sub CategoryID</b>.
> >
> > So I added some NSLogs around the saveChanges() and I
> see:
> >
> > NSLog.out.appendln("inside try
> newContact.subCategory+++ = " + newContact.subCategory());
> > contactEO.saveChanges();
> >
> > if I read this correctly, the newContact has a
> subCategory with a primary key "1", but I still get this:
> >
> > - ValidationException e = Please provide a
> <b>Sub CategoryID</b>.
> >
> > I am at a loss.... I have added so many NSLogs to try
> to see the flow and it 'should' work... (I think) but I hate
> shoulding on myself....
> >
> > Ted
> >
> >
> >
> >
> >
> > _______________________________________________
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>
> --Chuck Hill
> Senior Consultant / VP Development
>
> Come to WOWODC'09 in San Fran this June!
> http://www.wocommunity.org/wowodc09/
>
>
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