# HG changeset patch
# User Drew Perttula <drewp@bigasterisk.com>
# Date 2017-05-24 08:29:01
# Node ID e05656f000703bc1a50ac3bdefbd10b0456bf9fd
# Parent  e993c5e1df1a27a16927c4e02fa36e660d1227d0

rdfdb graph.sequentialUri won't reuse ids even if you haven't used them in stmts yet
Ignore-this: cb556ba9836041ef1ba7778081ced7a1

diff --git a/light9/rdfdb/currentstategraphapi.py b/light9/rdfdb/currentstategraphapi.py
--- a/light9/rdfdb/currentstategraphapi.py
+++ b/light9/rdfdb/currentstategraphapi.py
@@ -71,7 +71,10 @@ class CurrentStateGraphApi(object):
         """
         for i in itertools.count(1):
             newUri = prefix + str(i)
-            if not list(self._graph.triples((newUri, None, None))):
+            if not list(self._graph.triples((newUri, None, None))) and newUri not in getattr(self, '_reservedSequentials', []):
+                if not hasattr(self, '_reservedSequentials'):
+                    self._reservedSequentials = set()
+                self._reservedSequentials.add(newUri)
                 return newUri