return getExecutionCourse().getCourseReport().getReport() == null ? "false" : "true";
return (!getExecutionCourse().hasCourseReport() || getExecutionCourse().getCourseReport() .getReport() == null) ? "false" : "true";
    public String getCourseReportFilled() {	return getExecutionCourse().getCourseReport().getReport() == null ? "false" : "true";    }