public void processFollowings() {
while (true) {
QueueingConsumer.Delivery delivery;
try {
delivery = consumer.nextDelivery();
String message = new String(delivery.getBody());
Long tag = delivery.getEnvelope().getDeliveryTag();
String[] split = message.split(" ");
Long followerVkId = Long.valueOf(split[0]);
Long followingVkId = Long.valueOf(split[1]);
Follower follower = dbService.getFollowerByVkId(followerVkId);
Following following = follower.getFollowingByVkId(followingVkId);
refreshFollowing(follower, following);
channel.basicAck(tag, false);
System.out.println("Ok");
} catch (InterruptedException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
@SuppressWarnings(value = "unchecked")
private <
TypeOfSnapshot extends Snapshot,
Refresher extends SnapshotBuilder,
TypeOfEvent extends Event,
EventEntity>
void Process(
Refresher refresher,
Follower follower,
Following following,
FollowingEventTypes followingEventTypes,
FollowerEvents followerEvents,
List<Snapshot> snapshots,
int i,
Class<EventEntity> eventEntityClass,
Class<TypeOfSnapshot> typeOfSnapshotClass,
Class<TypeOfEvent> typeOfEventClass,
SnapshotDifference snapshotDifference,
EventType eventType) {
TypeOfSnapshot snapshot = (TypeOfSnapshot) refresher.build(following, follower);
if (snapshots.size() < followingEventTypes.getEventTypes().size()) {
snapshot.getList().forEach(a -> dbService.save((EventEntity) a, eventEntityClass));
dbService.save(snapshot, typeOfSnapshotClass);
snapshots.add(snapshot);
dbService.updateFollowerEvents(followerEvents);
dbService.updateFollower(follower);
dbService.updateFollowing(following);
} else {
List<Event> differenceEvents =
snapshotDifference.difference(
snapshots.get(i), snapshot, followerEvents.getEvents(), eventType);
differenceEvents.forEach(event -> dbService.save((TypeOfEvent) event, typeOfEventClass));
followerEvents.getEvents().addAll(differenceEvents);
dbService.updateFollowerEvents(followerEvents);
}
}