Collection of "any type" ?

N8chtschwaermer · **Joined:** Thu Nov 20, 2003 12:29 pm **Posts:** 39

Hey,

my problem is as follow:

I have a class A which has one "property" called value, which should
be any type of object respectively has a reference to any kind of object!
(sorry for my english!)

It could be a a basic type(like string), any (selfdefined) object or a collection of one of these objects!

So far, i use "any type mapping" :

Code:

<any name="value" id-type="long"   cascade="all">
  <column name="class_name"/>
  <column name="class_id" />
</any>

so i just had a reference to the "value-object"!
It works well for "any kind of object" and for the basic types (with wrapper classes)!

But what about a collection of objects ?

I could solute this, with writing a class B which has a one-to-many relationship with class C!
Class C hold the references of the "true" objects.
Class D is referenced by the value of class A.

But it seems to be a little bit confused!
There's certainly an better way, but i'm confused of reading chapter6 & 7 again and again and test some different ways...

I would be grateful for hints..

emmanuel · **Posted:** Fri Dec 05, 2003 9:32 pm

many-to-any

However, you cannot keep in one property an any semantic and an many-to-any semantic. In other words, it's not possible to map an object AND collection in the same property.