if (get(props, "duke.username", null) != null)
jdbcprops.put("user", get(props, "duke.username"));
if (get(props, "duke.password", null) != null)
jdbcprops.put("password", get(props, "duke.password"));
JDBCLinkDatabase db;
db = new JDBCLinkDatabase(driverklass, linkjdbcuri, dbtype, jdbcprops);
if (tblprefix != null)
db.setTablePrefix(tblprefix);
db.init();
return db;
}