public static ResultParticipation readByOid(Integer oid) {
public final static ResultParticipation readByOid(Integer oid) {
    public static ResultParticipation readByOid(Integer oid) {	final ResultParticipation participation = RootDomainObject.getInstance()		.readResultParticipationByOID(oid);	if (participation == null) {	    throw new DomainException("error.researcher.ResultParticipation.null");	}	return participation;    }