[TYPO3-mvc] ValueObjects vs. Entities

[Susanne Moog]

Hey Jochen,

Jochen Rau schrieb:
> Hi Susanne.
> 
> schrieb Susanne Moog:
>>> Could you please post your actual (desired) class hierarchy, please?
>>
>> my limited skills at UML design came up with
>>
>> http://www.susi-moog.de/fileadmin/Klassendiagramm.png
>>
>> Is this clear?
> 
> I didn't expect such a perfect UML-Diagram ;-)
> 
>> (in case the image doesn't convey this: the InformationEvents have a
>> relation field to Training, and Training has one to InformationEvents)
> 
> Ah. A ValueObject could not contain an Entity. Otherwise it would become
> an Identity and therefore become an Entity itself. Could you get rid of
> your back-reference InformationEvents->Training? Maybe simply by
> removing the property and keep the TCA untouched.

Thank you very much for the explanation, now it's clear why it did not
work out the way we tried :)

Best regards,

Susanne