return null;\r
}\r
\r
+ @Override\r
+ public boolean isImmutable(final Resource resource) throws DatabaseException {\r
+ try {\r
+ return session.syncRequest(new Read<Boolean>() {\r
+ @Override\r
+ public Boolean perform(ReadGraph graph) throws DatabaseException {\r
+ return graph.isImmutable(resource);\r
+ }\r
+ });\r
+ } catch (DatabaseException e) {\r
+ throw new ServiceException(e);\r
+ }\r
+ }\r
+\r
}\r