ICurricularCourse curricularCourse = ((IEnrolment) obj)
ICurricularCourse curricularCourse = ((IEnrollment) obj)
					public Object transform(Object obj) {						ICurricularCourse curricularCourse = ((IEnrolment) obj)								.getCurricularCourse();						return curricularCourse								.getCurricularCourseUniqueKeyForEnrollment();					}