public static DeletePolicy getDeletePolicy(String values) {
String[] tmps = values.split(",");
String name = tmps[0];
Class<? extends DeletePolicy> clazz = policyMap.get(name);
if (clazz == null) {
throw new UnknownDeletePolicyException(name);
}
try {
DeletePolicy deletePolicy = clazz.newInstance();
String[] initValues = null;
if (tmps.length >= 2) {