On May 30, 2008, at 11:17 AM, Jean-François Veillette wrote:
I have 2 models, one which contain a set of abstract eoentity,
another one which contain a set of concret eoentity (subclasses of
the abstract set).
It was working just right, but suddently after reinstalling one of
the framework, it just stopped working. I can't make it work again.
Whenever I fetch an abstract entity (assuming, I will get objects of
the concrete entity), it now return me an object of the
abstract entity type.
Details ...
A - abstract eoentity name
CA - java classe for eoentity 'A'
B - concrete eoentity name, sub-entity of 'A'
CB - java classe of 'B'
NSMutableDictionary dict = new NSMutableDictionary();
dict.takeValueForKey(k1, "key1");
dict.takeValueForKey(k2, "key2");
expectCBInstance = (CB)
EOUtilities.objectMatchingValues(ec, "A", dict);
But EOUtilities return me "CA" instances.
Any idea why EOF fetch abstract entity and not the concrete one ?
Which kind of inheritance (single table, vertical, horizontal)?
Did the restricting qualifiers get lost or changed in the model or
database?
Chuck
--
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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