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https://issues.apache.org/cayenne/browse/CAY-794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ari Maniatis closed CAY-794.
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Resolution: Fixed
This is now committed with some modifications.
> 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, abstract-complete.diff, abstract-obj-entity.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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