code: private Object getObject(final Object _object)
          throws EFapsException
      {
          final Object ret;
          // inside a fromobject the correct value must be set
          if (this.fromSelect != null && _object instanceof Number) {
              final List<Object> tmpList = new ArrayList<>();
              final Long id = ((Number) _object).longValue();
              Iterator<Long> relIter = this.relIdList.iterator();
              // chained linkfroms
              if (!getSelectParts().isEmpty() && getSelectParts().get(0) instanceof LinkFromSelect.LinkFromSelectPart
                              && !(((LinkFromSelect.LinkFromSelectPart) getSelectParts().get(0)).getType()
                                              instanceof AttributeSet)) {
                  relIter = this.idList.iterator();
              } else {
                  relIter = this.relIdList.iterator();
              }
              final Iterator<Object> objIter = this.objectList.iterator();
              while (relIter.hasNext()) {
                  final Long rel = relIter.next();
                  final Object obj = objIter.next();
                  if (rel.equals(id)) {
                      tmpList.add(obj);
                  }
              }
              if (this.valueSelect == null) {
                  final List<Object> retTmp = new ArrayList<>();
                  for (final Object obj : tmpList) {
                      retTmp.add(this.fromSelect.getMainOneSelect().getObject(obj));
                  }
                  ret = retTmp.size() > 0 ? retTmp.size() > 1 ? retTmp : retTmp.get(0) : null;
              } else {
                  ret = this.valueSelect.getValue(tmpList);
              }
          } else {
              ret = this.getObject();
          }
          return ret;
      }
docs: Get an object from a "n to 1" Relation.Therefore the given object
  is used to filter only the valid values from the by the Database
  returned objects.
  @param _object Object used as filter (must be an <code>Long</code> Id)
  @return  Object
  @throws EFapsException on error