• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: model insights (inheritance)
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: model insights (inheritance)


  • Subject: Re: model insights (inheritance)
  • From: Alexander Spohr <email@hidden>
  • Date: Wed, 28 Oct 2015 14:13:02 +0100

One Entity for person. If you have more than 2-3 attributes in Employee or Donar make them own entities as well otherwise just put the attributes into Person.
An Employee might become a Donar anyway ;)

Subclassing in the model tends to give you problems later on.

	atze


> Am 28.10.2015 um 13:51 schrieb Theodore Petrosky <email@hidden>:
>
> I am starting a simple CMS for a friend. He needs to track donations. You know a phone bank and people taking money.
>
> Anyway, I have two kinds of Person. Employees that take money and Donors that give. Both are Person.
>
> I created a model for a Person then Subclasses for Employee and Donor. I am using a qualifier isEmployee=1 and isDonor=1. Obviously then I have attributes isEmployee and isDonor in Person.  A Person could be both an Employee and a Donor.
>
> Would you do this, or would you model separate Entities for Employee and Donar?


 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list      (email@hidden)
Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden


  • Follow-Ups:
    • Re: model insights (inheritance)
      • From: Chuck Hill <email@hidden>
References: 
 >model insights (inheritance) (From: Theodore Petrosky <email@hidden>)

  • Prev by Date: model insights (inheritance)
  • Next by Date: Re: model insights (inheritance)
  • Previous by thread: model insights (inheritance)
  • Next by thread: Re: model insights (inheritance)
  • Index(es):
    • Date
    • Thread