} catch (Graph.CycleDetectedException e) {
            problems.add(new DefaultModelProblem(
                    "Cycle detected between models at " + from + " and " + p,
                    ModelProblem.Severity.FATAL,
                    null,
                    null,
                    0,
                    0,
                    null,
                    e));
            return false;
        }
    }

    int LOGGING_LEVEL_INFO = Logger.LEVEL_INFO;

    int LOGGING_LEVEL_WARN = Logger.LEVEL_WARN;

    int LOGGING_LEVEL_ERROR = Logger.LEVEL_ERROR;

    int LOGGING_LEVEL_FATAL = Logger.LEVEL_FATAL;

    int LOGGING_LEVEL_DISABLED = Logger.LEVEL_DISABLED;

    // ----------------------------------------------------------------------
    // Reactor Failure Mode

        for (ModelProblem input : problems) {
            if (input.getSeverity().equals(Severity.ERROR)
                    || input.getSeverity().equals(Severity.FATAL)) {
                return true;
            }
        }
        return false;
    }

    /**
     * Class definition
     */
    private final boolean errors;