protected void setPreparedStatement(PreparedStatement preparedStatement) {
       ps = preparedStatement;
    }
Sets this <code>JdbcRowSet</code> object's preparedtsatement property
to the given <code>PreparedStatemennt</code> object.

@param preparedStatement the <code>PreparedStatement</code> object
src/main/java/org/replicadb/rowset/sun/rowset/JdbcRowSetImpl.java