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