public interface Guard
This interface represents a guard, which is an object that is used to protect access to another object.
This interface contains a single method,
with a single
invoked (by the GuardedObject
to determine whether or not to allow access to the object.
void checkGuard(Object object) throws SecurityException
object. Returns silently if access is allowed. Otherwise, throws a SecurityException.
object- the object being protected by the guard.
SecurityException- if access is denied.