+ XSupport support = session.getService(XSupport.class);\r
+ if (support.rolledback()) {\r
+ for (File file : virtualGraphStoragePath.listFiles()) {\r
+ if (!file.delete()) {\r
+ throw new IOException("Could not delete file " + file.getAbsolutePath());\r
+ }\r
+ }\r
+ }\r