Hibernate version: 3.1.2
Name and version of the database you are using: MySQL 4.1.12

Ok; here's the problem. I'm creating a sort of 'hibernate-my-admin' application. So I have an insert page that determines the needed fields for a given classname.

Before I can show the form, I need to know if the identifier field of the object is 'assigned' (So I need to display an input field to let the user insert an ID) or if the identifier field is 'native' or at least managed by hibernate, so I can exclude it from the form.

Is there any way I can get this behaviour information (My first guess would be to look it up in the ClassMetadata, but I cannot find it there, also the getIdentifierType() seems to return insufficient information for my decision).

Thanks in advance,

Ok, I found out how to do this. Hopefully this will help other users as well.

If you want to know if an identifierField is 'assigned' or 'native', you can cast the classMetadata object to an EntityPersister. When you have an entity persitor you can ask for the identifierGenerator and check if it is an instance of org.hibernate.id.Assigned or org.hibernate.id.IdentityGenerator



(Post a reply if this helped you :) )

This is exactly what I was looking for. Perhaps ClassMetadata could have a getIdentifierGenerator method added so this hackery could be avoided.