@Override
public MessageFilterBase setSubscriptionPreferences(
ByteString topic, ByteString subscriberId, SubscriptionPreferences preferences) {
Map<String, ByteString> userOptions = SubscriptionStateUtils.buildUserOptions(preferences);
ByteString modValue = userOptions.get(OPT_MOD);
if (null == modValue) {
mod = 0;
} else {
mod = Integer.valueOf(modValue.toStringUtf8());
}
return this;
}
private void printTopicSubscriptions(Map<ByteString, SubscriptionData> states) {
System.out.println(">>> Subscription Info <<<");
if (0 == states.size()) {
System.out.println("No subscriber.");
return;
}
for (Map.Entry<ByteString, SubscriptionData> entry : states.entrySet()) {
System.out.println(
"Subscriber "
+ entry.getKey().toStringUtf8()
+ " : "
+ SubscriptionStateUtils.toString(entry.getValue()));
}
System.out.println();
}