@Override
  public void setModelAttributes(Map<String, Object> attributes) {
    Long structureLinkId = (Long) attributes.get("structureLinkId");

    if (structureLinkId != null) {
      setStructureLinkId(structureLinkId);
    }

    Long classNameId = (Long) attributes.get("classNameId");

    if (classNameId != null) {
      setClassNameId(classNameId);
    }

    Long classPK = (Long) attributes.get("classPK");

    if (classPK != null) {
      setClassPK(classPK);
    }

    Long structureId = (Long) attributes.get("structureId");

    if (structureId != null) {
      setStructureId(structureId);
    }
  }
 @Override
 public void setPrimaryKey(long primaryKey) {
   setStructureLinkId(primaryKey);
 }