我面临着一个奇怪的问题，最近只有我开始将我的大部分代码库迁移到反应中，所以说我对RxJava几乎是新手，我使用RxJava2进行API处理，下面是我的问题陈述。
API getGameDetails返回Observable<GameResponse>，其中包含有关特定游戏的信息，需要每10秒轮询服务器以获取最新游戏状态，游戏状态响应包含List<Player>系统需要查询服务器以检查天气Player是客人还是已注册。
由于它包含多个API调用，我尝试将它们链接在一起，所以最后我会得到List<Player>更新的信息，下面是我的尝试但不幸的是它没有按预期工作，需要你的帮助调试出来相同。
提前致谢。
Disposable d = Observable.interval(10, TimeUnit.SECONDS)
.flatMap(new Function<Long, ObservableSource<GameResponse>>() {
@Override
public ObservableSource<GameResponse> apply(@NonNull Long aLong) throws Exception {
return gamePlayManager
.getGameDetails(mGameId)
.doOnError(new Consumer<Throwable>() {
@Override
public void accept(@NonNull Throwable throwable) throws Exception {
Log.d("####", throwable.getMessage(), throwable);
}
})
.onErrorResumeNext(new Function<Throwable, ObservableSource<GameResponse>>() {
@Override
public ObservableSource<GameResponse> apply(@NonNull Throwable throwable)
throws Exception {
return Observable.empty();
}
});
}
})
.takeUntil(new Predicate<GameResponse>() {
@Override
public boolean test(@NonNull GameResponse gameResponse) throws Exception {
// check if it has reached X players limit already
if (gameResponse != null && gameResponse.players != null) {
if (gameResponse.players.size()
>= MAXIMUM_NUMBER_OF_PLAYERS_IN_ROOM) {
return true;
}
}
return false;
}
})
.map(new Function<GameResponse, List<Player>>() {
@Override
public List<Player> apply(@NonNull GameResponse gameResponse) throws Exception {
gameDetailResponse = gameResponse;
return gameResponse.players;
}
})
.flatMap(new Function<List<Player>, ObservableSource<List<Player>>>() {
@Override
public ObservableSource<List<Player>> apply(@NonNull List<Player> players) throws Exception {
return Observable.fromIterable(players).flatMap(new Function<Player, ObservableSource<Player>>() {
@Override
public ObservableSource<Player> apply(@NonNull final Player player) throws Exception {
return Observable.fromCallable(new Callable<Player>() {
@Override
public Player call() throws Exception {
UserProfile profile = userService.profile(token,
player.playerId);
if (profile != null) {
player.internalUser = true;
}
return player;
}
});
}
})
.toList()
.toObservable();
}
})
.doOnNext(new Consumer<List<Player>>() {
@Override
public void accept(@NonNull List<Player> players) throws Exception {
// Some code for presenting UI here
//
}
})
.doOnError(new Consumer<Throwable>() {
@Override
public void accept(@NonNull Throwable throwable) throws Exception {
Log.d("####",throwable.getMessage(),throwable);
startGameView.showErrorMessage();
}
})
.subscribe();
subscriptions.add(d);