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hibernate manyToMany, find object not linked

 
Greenhorn
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Hello,

I have two Hibernate entities with manyToMany Relation between them: Product and Category.

I want to find Product who are NOT linked with ANY Category, using DetachedCriteria.

these are my two object:






I tried the following without succes:


Please, help!
 
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I don't know that you can. A many-to-many relationship isn't going to match on links that don't exist. (An outer join would, but that's not what you have here). Which means what you want to know isn't in the many-to-many relationship cache in the first place.
 
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