/**
   * A method to build a list of Collaboration objects representing a list of collaborations
   * associated with a collaborator
   *
   * @param id the unique identifier of a collaborator
   * @return a CollaborationList object containing a list of Collaboration objects
   */
  public CollaborationList getCollaborationList_org(String org_id, String id) {

    // check on the input parameters
    if (InputUtils.isValidInt(id) == false) {
      throw new IllegalArgumentException("The id parameter cannot be null");
    }

    // declare helper variables
    CollaborationList list = new CollaborationList(id);

    // define other helper variables
    Collaboration collaboration = null;

    // define other helper variables
    String partner = null;
    Integer count = null;
    String firstDate = null;
    String lastDate = null;

    // define the base sql query
    String sqlQuery =
        "SELECT distinct count(*), con.contributorid, min(e.first_date), max(e.first_date) "
            + "FROM contributor con, conevlink c , conevlink c2, orgevlink o, events e "
            + "WHERE o.organisationid = ? " // + org_id + " "
            + "AND c.eventid = O.EVENTID "
            + "AND e.eventid = O.EVENTID "
            + "AND e.eventid = c.EVENTID "
            + "AND c.contributorid != ?" // + id + " "
            + "AND con.contributorid = c.contributorid "
            + "AND c2.contributorid = ? " // + id + " "
            + "AND c2.eventid = c.eventid "
            + "GROUP BY con.contributorid, con.first_name ";

    int[] param = {Integer.parseInt(org_id), Integer.parseInt(id), Integer.parseInt(id)};
    // execute the query
    java.sql.ResultSet resultSet = db.exePreparedStatement(sqlQuery, param);

    try {
      //		 	check to see that data was returned
      if (!resultSet.last()) {
        db.tidyup();
        return null;
      } else resultSet.beforeFirst();

      // loop though the resulset
      while (resultSet.next()) {
        // get the data
        partner = resultSet.getString(2);
        count = resultSet.getInt(1);
        firstDate = resultSet.getDate(3).toString();
        lastDate = resultSet.getDate(4).toString();

        // create the collaboration object
        collaboration = new Collaboration(id, partner, count, firstDate, lastDate);

        // add the collaboration to the list
        list.addCollaboration(collaboration);
      }

    } catch (java.sql.SQLException ex) {
      System.out.println("Exception: " + ex.getMessage());
      resultSet = null;
    }

    db.tidyup();
    // return the list of collaborations
    return list;
  } // end the CollaborationList method