Marcin Skladaniec updated CAY-794:
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Attachment: ab.diff
attaching patch which does all the described.
> Abstract objEntities
> --------------------
>
> Key: CAY-794
> URL: https://issues.apache.org/cayenne/browse/CAY-794
> Project: Cayenne
> Issue Type: New Feature
> Components: Cayenne Core Library
> Affects Versions: 3.0
> Reporter: Ari Maniatis
> Assignee: Ari Maniatis
> Fix For: 3.0
>
> Attachments: ab.diff
>
>
> Implement the possibility for an objEntity to be abstract. These means that the entity class generated by the template will be abstract.
> 1. Add atttribute isAbstract within <obj-entity ...> in the Cayenne data map.
> 2. Add checkbox to the modeler "[ ] abstract class"
> 3. void setIsAbstract(boolean) and boolean getIsAbstract() added to ObjEntity.
> 3. change template generation to add 'abstract' keyword
> Other changes (such as throwing runtime exception when querying abstract entity with no concrete subclasses) could probably wait until later since they need to be implemented as part of inheritance.
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