AuthorizingRealm#doGetAuthorizationInfo(PrincipalCollection pc)

[Alex Sviridov]

Hi all,
 
I am learning Shiro and can’t understand why in
AuthorizingRealm#doGetAuthorizationInfo(PrincipalCollection pc)
we have `PrincipalCollection pc` but not `Principal p`. By other workds,
why collection?
 
Could anyone explain?
 
--
Alex Sviridov