void removeRole(Role role) {
//this.getPermissionedRoles().remove(role);
this.getPermissionedMethodsByPermission().remove(new MethodPermission(role));
Set roleReferences = new HashSet(this.getRoleReferences());
for (Iterator itr = roleReferences.iterator(); itr.hasNext();) {
RoleReference roleReference = (RoleReference) itr.next();
if (roleReference.getRole().equals(role)) {
roleReference.setValue("");
}
}
}