docs: public void setModel (PropertySheetModel pm)
    {
      if (pm instanceof org.apache.ojb.tools.mapping.reversedb.DBSchema)
      {
        this.aSchema = (org.apache.ojb.tools.mapping.reversedb.DBSchema)pm;
        this.readValuesFromSchema();
      }
      else
        throw new IllegalArgumentException();    
      
    }