Service
s, the kernel, and other system-level components. Implementations must also implement Serializable
, equals
, and hashCode
. While instances of Identity
may be used by Service
s and other components to manage users or task ownership (including serializing and persisting Identity
s), this interface is really a means for communicating with the accounting and management system. As such, any combinations of calls to notifyLoggedIn
and notifyLoggedOut
are valid. Note that an application may still enforce that its users are not allowed to login multiple times, or may only logout if they are logged in.
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