code: private String formatRelationList(List<Relation> value)
     {
        String result = null;
  
        if (value != null && value.size() != 0)
        {
           StringBuilder sb = new StringBuilder();
           for (Relation relation : value)
           {
              if (sb.length() != 0)
              {
                 sb.append(m_delimiter);
              }
  
              sb.append(formatRelation(relation));
           }
  
           result = sb.toString();
        }
  
        return (result);
     }
docs: This method is called to format a relation list.
  
  @param value relation list instance
  @return formatted relation list