Why ther isn't a delete method like delete(Serializable pk) ? Where pk is a composite id o a primary key

Now, if want delete a object, I should before load it e after delete. So Hibernate makes two (or more) sql istance.

With my suggestion I can delete a object with this code:

MyComposuteid pk= new MyComposuteid ("ABC22",2);

session.delete(pk);

Why don't you use session.delete("from MyObject m where m.id = 1234")?

Here is what I am doing with my keys.

In this scenario, the you will need a way to lookup the persistent object from a key. In my case I call getDependentClass(Key obj) which returns the VO constructor that takes a Key. At that point, you just call delete on the persistent object which now has a primary key set.

public int delete(Key obj)
{
Constructor constructor = getDependentClass(obj).getDeclaredConstructor(new Class[] {obj.getClass()});
Object persistor = constructor.newInstance(new Object[] {obj});
session.delete(persistor);
}

This seems to work for me. Hope it helps a bit.

Nic