DataSource ds = (DataSource)conf.getConnectionFactory();
if (ds == null) {
Log log = conf.getConfigurationLog();
String url = getConnectionInfo(conf);
if (log.isInfoEnabled())
log.info(_loc.get("slice-connect", slice, url));
ds = DataSourceFactory.newDataSource(conf, false);
DecoratingDataSource dds = new DecoratingDataSource(ds);
ds = DataSourceFactory.installDBDictionary(
conf.getDBDictionaryInstance(), dds, conf, false);
}