IEnrolment enrollment = (IEnrolment) obj;
IEnrollment enrollment = (IEnrollment) obj;
	public List getStudentEnrolledEnrollments() {		return (List) CollectionUtils.select(this.getEnrolments(),				new Predicate() {					public boolean evaluate(Object obj) {						IEnrolment enrollment = (IEnrolment) obj;						return enrollment.getEnrolmentState().equals(								EnrolmentState.ENROLED);					}				});	}