Attributes on Many-to-Many relationships (Hibernate)

Question

I have entity classes A and C. They are mapping the tables tblA and tblC and have a many-to-many relationship between them, with tblB to map between them. tblB contains A_ID

Answer 1

See

@ManyToMany Hibernate Question (can add extra field?)

And

how to make a composite primary key (java persistence annotation)

regards,

Answer 2

From what I know, it is not possible to map it this way, you have to switch to One-To-Many and a Many-To-One relationships, with your B in the middle. Your date will be an attribute of B.

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For this lack of evolutivity, the Hibernate documentation recommends to avoid the Many-To-Many in general, and use the two relationships from the beginning.