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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 4 posts ] 
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 Post subject: mapping of collection and class
PostPosted: Wed Mar 18, 2009 4:34 am 
Beginner
Beginner

Joined: Mon Mar 02, 2009 3:36 pm
Posts: 25
Hi ,

i have declared a set in my *.hbm.xml file and mapped it with a class as one to many . using configuration properties i want to know that to which class this collection is mapped ??? could anybody please tell me how to proceed ???

Thanks,
Ganesh


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 Post subject:
PostPosted: Wed Mar 18, 2009 6:43 am 
Expert
Expert

Joined: Fri Jan 30, 2009 1:47 am
Posts: 292
Location: Bangalore, India
Do you mean: at runtime you have a Set object and you want to know the class to which this Set object is mapped (owner of this Set object)

For this you can do this:

Code:
public Class getOwnerClass(java.util.Collection c) {
    if(c instanceof PersistentCollection) {
        return c.getOwner().getClass();
    }
    return null;
}

_________________
Regards,
Litty Preeth


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 Post subject:
PostPosted: Wed Mar 18, 2009 1:24 pm 
Beginner
Beginner

Joined: Mon Mar 02, 2009 3:36 pm
Posts: 25
No i don't want to know the owner of the collection ..

i am putting my problem through an example :

i have a "Person" class which has a set named "addresses" and this set is mapped to the "Address" class in the person.hbm.xml file . now at run time ,using configuration property i am able to list all the collections which are declared in mapping file and owner entity name of the collection but i am not able to know that the content of the collection . i.e i want to know that the set named "addresses" is declared to hold the "Address" Object .

If you want to see my code i will paste it here .

Thanks,
Ganesh


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 Post subject:
PostPosted: Thu Mar 19, 2009 12:33 am 
Expert
Expert

Joined: Fri Jan 30, 2009 1:47 am
Posts: 292
Location: Bangalore, India
May be this will give you wht you want:
Code:
collection.getCollectionType().getElementType(
                     (SessionFactoryImplementor) HibernateUtil
                           .getSessionFactory()).getName()

collection is of type org.hibernate.mapping.Collection

_________________
Regards,
Litty Preeth


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