Add child Role(s) to this role.
Add child Role(s) to this role. Node name is ensured to be unique (by name) in the tree.
Removes this Role from its parent
Returns the child nodes
Returns the parent node
Search for a child Role with this name
Verifies if this Role is a child of a role having the name roleName
Verifies if this Role is a child of a role having the name roleName
Verifies if this Role is the parent of the given Role
Removes the child Role
A Role may be assigned to a resource denominated by a path. A subject that is assigned to the same role or to a role higher into the roles hierarchy will have access to requested resource.