Example #1
0
 @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);
   }
 }
Example #2
0
  private void refreshFollowing(Follower follower, Following following) {
    FollowingEventTypes followingEventTypes =
        follower
            .getFollowing_EventTypesList()
            .stream()
            .filter(following_eventTypes -> following_eventTypes.getFollowing() == following)
            .findFirst()
            .get();
    List<EventType> eventTypes = followingEventTypes.getEventTypes();

    FollowerEvents followerEvents =
        following
            .getFollower_EventsList()
            .stream()
            .filter(follower_events -> follower_events.getFollower() == follower)
            .findFirst()
            .get();
    List<Snapshot> snapshots = followerEvents.getSnapshots();

    for (int i = 0; i < eventTypes.size(); i++) {
      EventType eventType = eventTypes.get(i);
      switch (eventType) {
        case AUDIO:
          Process(
              audioSnapshotBuilder,
              follower,
              following,
              followingEventTypes,
              followerEvents,
              snapshots,
              i,
              Audio.class,
              AudioListSnapshot.class,
              AudioEvent.class,
              new AudioSnapshotDifference(),
              EventType.AUDIO);
          break;
        case VIDEO:
          Process(
              videoSnapshotBuilder,
              follower,
              following,
              followingEventTypes,
              followerEvents,
              snapshots,
              i,
              Video.class,
              VideoListSnapshot.class,
              VideoEvent.class,
              new VideoSnapshotDifference(),
              EventType.VIDEO);
          break;
        case FRIEND:
          Process(
              friendSnapshotBuilder,
              follower,
              following,
              followingEventTypes,
              followerEvents,
              snapshots,
              i,
              Friend.class,
              FriendListSnapshot.class,
              FriendEvent.class,
              new FriendSnapshotDifference(),
              EventType.FRIEND);
          break;
        case GROUP:
          Process(
              groupSnapshotBuilder,
              follower,
              following,
              followingEventTypes,
              followerEvents,
              snapshots,
              i,
              Group.class,
              GroupListSnapshot.class,
              GroupEvent.class,
              new GroupSnapshotDifference(),
              EventType.GROUP);
          break;
        case POST:
          Process(
              postSnapshotBuilder,
              follower,
              following,
              followingEventTypes,
              followerEvents,
              snapshots,
              i,
              Post.class,
              PostListSnapshot.class,
              PostEvent.class,
              new PostSnapshotDifference(),
              EventType.POST);
      }
    }
  }