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help with a relationship...
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help with a relationship...


  • Subject: help with a relationship...
  • From: Theodore Petrosky <email@hidden>
  • Date: Wed, 6 May 2009 08:08:26 -0700 (PDT)

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();
		newContact = (Contact)EOUtilities.createAndInsertInstance(contactEO, "Contact");

		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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