public static void main(String... args) {
QBit.factory().systemEventManager();
final ServiceBundle serviceBundle = serviceBundleBuilder().setAddress("/root").build();
serviceBundle.start();
final UserDataServiceClient userDataServiceClient =
createUserDataServiceClientProxy(serviceBundle, 8);
final RecommendationServiceClient recommendationServiceClient =
createRecommendationServiceClientProxy(serviceBundle, userDataServiceClient, 4);
List<String> userNames = list("Bob", "Joe", "Scott", "William");
userNames.forEach(
userName ->
recommendationServiceClient.recommend(
recommendations -> {
System.out.println("Recommendations for: " + userName);
recommendations.forEach(
recommendation -> System.out.println("\t" + recommendation));
},
userName));
flushServiceProxy(recommendationServiceClient);
Sys.sleep(1000);
}
private static UserDataServiceClient createUserDataServiceClientProxy(
final ServiceBundle serviceBundle, final int numWorkers) {
final ServiceWorkers userDataServiceWorkers = workers();
for (int index = 0; index < numWorkers; index++) {
ServiceQueue userDataService =
serviceBuilder().setServiceObject(new UserDataService()).build();
userDataService.startCallBackHandler();
userDataServiceWorkers.addService(userDataService);
}
userDataServiceWorkers.start();
serviceBundle.addServiceConsumer("workers", userDataServiceWorkers);
return serviceBundle.createLocalProxy(UserDataServiceClient.class, "workers");
}
private static RecommendationServiceClient createRecommendationServiceClientProxy(
final ServiceBundle serviceBundle,
final UserDataServiceClient userDataServiceClient,
int numWorkers) {
final ServiceWorkers recommendationShardedWorkers = shardOnFirstArgumentWorkers();
for (int index = 0; index < numWorkers; index++) {
RecommendationService recommendationServiceImpl =
new RecommendationService(userDataServiceClient);
ServiceQueue serviceQueue =
serviceBuilder().setServiceObject(recommendationServiceImpl).build();
serviceQueue.startCallBackHandler();
recommendationShardedWorkers.addService(serviceQueue);
}
recommendationShardedWorkers.start();
serviceBundle.addServiceConsumer("recomendation", recommendationShardedWorkers);
return serviceBundle.createLocalProxy(RecommendationServiceClient.class, "recomendation");
}