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Security in EJB

 
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Hi

i was going through one of web site and came across the following code.


Why do we need to use DeclareRoles annotation in the above code?

I thought we would be using this annotatation only when we use programmatic security,but as we can clearly see there is no such a code ?

Also if container can built up a role by inspecting the RolesAllowed annotation why do we need to use DeclareRoles in the code?

Thanks.
 
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