Re: horizontal inheritance oddity
Re: horizontal inheritance oddity
- Subject: Re: horizontal inheritance oddity
- From: Mike Schrag <email@hidden>
- Date: Wed, 24 May 2006 08:28:42 -0400
Handy workaround ... I'm still curious why it's happening in the
first place, though.
On May 24, 2006, at 7:52 AM, Jean-François Veillette wrote:
You can add an entry in the userInfo dictionary of your entity,
defining the super class.
Then in the eogenerator template, you will be able to set the
superclass based on that key-value.
That way, you may not tell EOModeler the exact details of java
implementation (which can be all fine in some situation).
Sometimes we try to force into eoentity what should really be
interface (or simply a common superclass). Leave the model know
about the data model. And use userInfo/eogenerator to enhance and
complement details of the concrete class.
- jfv
Le 06-05-23, à 22:45, Mike Schrag a écrit :
I have a model in a framework that defines Entity A and a model in
my project that depends on that framework that defines Entity B as
subclass of Entity A via Horizontal Inheritance. Entity A is
abstract (though the same problem occurs either way). When I run
my app, and create new Entity B's, the insert statements don't
include the primary key (resulting in an integrity constraint
violation). If i edit the model and simply remove the parent
entity reference from Entity B, and restart, everything works
perfectly. That fix is ACTUALLY is not that big of a deal from a
runtime perspective, except that I need the parent reference for
EOGenerator to work properly (basically I care more about the
inherited methods than I particularly care about it actually
having a relationship in the model). Anyone seen this one
before? It's been driving me crazy today -- I have to believe I'm
just overlooking something silly.
ms
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