public Properties getTransactionManagerParameters() {
Properties properties = new Properties();
TransactionDemarcation demarcation = _jdoConf.getTransactionDemarcation();
TransactionManager manager = demarcation.getTransactionManager();
if (manager != null) {
Enumeration parameters = manager.enumerateParam();
while (parameters.hasMoreElements()) {
Param param = (Param) parameters.nextElement();
properties.put(param.getName(), param.getValue());
}
}