code: protected void evaluateRequestPreconditions(final Request request,
                                                         final HttpServletResponse servletResponse,
                                                         final FedoraResource resource,
                                                         final HttpSession session) {
          evaluateRequestPreconditions(request, servletResponse, resource, session, false);
      }
docs: Evaluate request preconditions to ensure the resource is the expected state
  @param request the request
  @param servletResponse the servlet response
  @param resource the resource
  @param session the session