[jboss-user] [Beginner's Corner] - Re: ManyToMany problem
do-not-reply at jboss.com
Fri Oct 30 07:55:02 EDT 2009
basically, you don't need a generated ID for the mapping table because the pair "role_id/function_id" is already a valid primary key.
If you need a id column anyway, you have to build a mapping entity with a generated ID property and two @OneToMany relationship fields to Role and Function.
So your code for mapping a function to a role could be:
| RoleToFunction role2FunctionNew = new RoleToFunction();
| role.getFunctionmappings().add (role2FunctionNew);
Hope this helps
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