Polymorphic Components
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Key: HHH-1910
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1910
Project: Hibernate3
Type: New Feature
Components: core
Reporter: Joe Kelly
Please add support for mapping polymorphic components (i.e. polymorphism in the <component> element). This has been requested and suggested in numerous Hibernate user forum threads. Here's a sampling of these threads:
http://forum.hibernate.org/viewtopic.php?t=949827&highlight=component+subclass
http://forum.hibernate.org/viewtopic.php?t=947207&highlight=component+discriminator
http://forum.hibernate.org/viewtopic.php?t=929436&highlight=component+discriminator
http://forum.hibernate.org/viewtopic.php?t=926027&highlight=component+discriminator
http://forum.hibernate.org/viewtopic.php?t=930136&highlight=abstract+component
I realize that you can create a CompositeUserType to solve this problem. In fact, I have done this on numerous occasions. However, this requires writing code, which is not nearly as convenient as writing a little bit of XML.
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