* Finds all EJBeans with a balance greater than a given amount.

　　* Returns an Enumeration of found EJBean primary keys.

　　*

　　* @param balanceGreaterThan double Test Amount

　　* @return Enumeration EJBean Primary Keys

　　* @exception javax.ejb.EJBException

　　* if there is a communications or systems failure

　　*/

　　public Enumeration ejbFindBigAccounts(double balanceGreaterThan) {

　　log("ejbFindBigAccounts (balance > " + balanceGreaterThan + ")");

　　Connection con = null;

　　PreparedStatement ps = null;

　　try {

　　con = getConnection();

　　ps = con.prepareStatement("select id from ejbAccounts where bal ?");

　　ps.setDouble(1, balanceGreaterThan);

　　ps.executeQuery();

　　ResultSet rs = ps.getResultSet();

　　Vector v = new Vector();

　　String pk;

　　while (rs.next()) {

　　pk = rs.getString(1);

　　v.addElement(pk);

　　return v.elements();

　　} catch (SQLException sqe) {

　　log("SQLException: " + sqe);

　　throw new EJBException (sqe);

　　} finally {

　　cleanup(con, ps);

　　}

　　}