@Override
public String service() {
	IdGenerator idgen = ClusterDataFactory.INSTANCE.createIdGenerator("CLIENT_ID_GENERATOR");

	String clientId = null;
	while (clientId == null) {
		clientId = String.format("laniClientId%011d", idgen.newId());

		if (Session.NEXUS.get(clientId) != null) {
			clientId = null;
		}
	}

	return String.format("{\"id\":\"%s\"}", clientId);
}
 

public IdGenerator createIdGenerator(String name) {
	switch (Settings.INSTANCE.clusteringMode()) {
	case HAZELCAST:
		return Hazelcast.INSTANCE.getIdGenerator(name);

	case IGNITE:
	case SINGLE:
		return new SingleIdGenerator(name);

	default:
		return null;
	}
}
 

public static void main(String[] args) {
    HazelcastInstance hazelcastInstance = Hazelcast.newHazelcastInstance();
    Map<Long, String> map = hazelcastInstance.getMap("data");
    IdGenerator idGenerator = hazelcastInstance.getIdGenerator("newid");
    for (int i = 0; i < 10; i++) {
        map.put(idGenerator.newId(), "message" + 1);
    }
}
 

@Override
public IdGenerator getIdGenerator(String s) {
    return null;
}
 

protected IdGenerator getIdGenerator(String name) {
	return substance.getIdGenerator(name);
}