From ed7a92df8d6737c0982b87b26d9986a71c6cef51 Mon Sep 17 00:00:00 2001
From: Tony Mack <tmack@paris.CS.Princeton.EDU>
Date: Thu, 7 Jul 2011 16:27:19 -0400
Subject: [PATCH] added urn_to_sliver_id() method

---
 sfa/util/xrn.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sfa/util/xrn.py b/sfa/util/xrn.py
index 752e7a9e..76c55be0 100644
--- a/sfa/util/xrn.py
+++ b/sfa/util/xrn.py
@@ -8,6 +8,9 @@ def get_authority(hrn): return Xrn(hrn).get_authority_hrn()
 def urn_to_hrn(urn): xrn=Xrn(urn); return (xrn.hrn, xrn.type)
 def hrn_to_urn(hrn,type): return Xrn(hrn, type=type).urn
 
+def urn_to_sliver_id(urn, slice_id, node_id, index=0):
+    return ":".join([urn, slice_id, node_id, index])
+
 class Xrn:
 
     ########## basic tools on HRNs
-- 
2.43.0