+// static Session openAdminSession(Repository repository) {
+// return openAdminSession(repository, null);
+// }
+//
+// static Session openAdminSession(final Repository repository, final String workspaceName) {
+// LoginContext loginContext = loginAsDataAdmin();
+// return Subject.doAs(loginContext.getSubject(), new PrivilegedAction<Session>() {
+//
+// @Override
+// public Session run() {
+// try {
+// return repository.login(workspaceName);
+// } catch (RepositoryException e) {
+// throw new IllegalStateException("Cannot open admin session", e);
+// } finally {
+// try {
+// loginContext.logout();
+// } catch (LoginException e) {
+// throw new IllegalStateException(e);
+// }
+// }
+// }
+//
+// });
+// }
+//
+// static LoginContext loginAsDataAdmin() {
+// ClassLoader currentCl = Thread.currentThread().getContextClassLoader();
+// Thread.currentThread().setContextClassLoader(KernelUtils.class.getClassLoader());
+// LoginContext loginContext;
+// try {
+// loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_DATA_ADMIN);
+// loginContext.login();
+// } catch (LoginException e1) {
+// throw new IllegalStateException("Could not login as data admin", e1);
+// } finally {
+// Thread.currentThread().setContextClassLoader(currentCl);
+// }
+// return loginContext;
+// }