Hi Milen,
There have definitely been significant changes, hopefully for the
better. We have split the model up into context model and resource
model. The resource model more directly reflects the resource (java,
xml). In the xml this is a generated EMF model that uses the WTP
translator framework to read/write the xml. In the java it represents
the annotations on the Types and Attributes. The context model pulls
together the persistence.xml, orm.xml and java resource models and
uses common API. It gives context to the java annotations, so that a
JavaResourcePersistentType in the resource model with Entity, Table,
SecondaryTable annotations on it becomes a PersistentType with an
Entity TypeMapping in the context model. The context model interfaces
are used by the UI. Given that information are you looking for the
resource model fields, or the context model fields? I will show the
api to traverse the context model.
JpaProject.getRootContext() : JpaRootContextNode
JpaRootContextNode.getPersistenceXml(): PersistenceXml
PersistenceXml.getPersistence() : Persistence
Persistence.persistenceUnits() : ListIterator<PersistenceUnit> (will
contain 0 or 1 PersistenceUnits, we don't support multiple yet)
PersistenceUnit.classRefs() : ListIterator<ClassRef>
(mappingFileRefs() if you want the orm.xml entities)
ClassRef.getJavaPersistentType() : JavaPersistentType
JavaPersistentType.attributes() : ListIterator<JavaPersistentAttribute>
That gives you access to all the JavaPersistentAttributes in your Java
entities. If you want the resource model you can call
JavaPersistentAttribute.getResourcePersistentAttribute(). If you need
more help than that, you could show me the code your were using
before, then I could determine whether you can achieve this solely
with the context model interfaces, or if you really need the resource
model. I hope this helps clear things up some.
thanks,
Karen
Manov, Milen wrote:
Hello,
I've noticed that JPA API is changed significantly and I need
some help to get a list of an Entity fields. I have created a JpaFile
instance and get its JavaRsourceModel but from that point I am in a
loss. Please help.
Kind Regards,
Milen
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