Hi,
In any application if we use proxy object which was
instantiated from the interface and using the same
proxy object to Hibernate Api we should be able store,
update or delete data.
We were able to make the Hibernate API to work with
interface with some changes and implementing few other
class for creating proxy object using java reflection.
I thought it is a kind good feature for hibernate to
support with interfaces.
Here are steps
1.Define interface name in mapping file same as class
name .
<class name="com.test.to.TestAccountBean"
table="TEST_ACCOUNT">
where TestAccountBean is an interface. Rest
everything in mapping file remains
same.
2.Now Create a proxy object using interface, Class
which generates proxy object is implemented to
generate the hashcode() and equals() method for the
proxy object generated
from interface.
3.Now using this proxy object we can save, delete or
update.
4.when retrieving values it is possible from hibernate
API to identify whether it is an
interface, if it is an interface then it will generate
the proxy object and send back to
use
5.Other than 2 new files( for generating proxy) we
found that there is required to make changes at
Hinernate api for these 3 file.
net.sf.hibernate.impl SessionFactoryImpl.
net.sf.hibernate.persister.AbstractEntityPersister
net.sf.hibernate.type ComponentType
If it makes sense and finds worth to be part of
hinernate, we will be providing those files and
changes made. As generating proxy object using
interface is provided by jdk and anyone code be able
to use the interface.
Looking forward for the concerned person reply.
Thanks
Srinivas
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