[英]How can I reuse a Subscriber between two Observables (RxJava)
為了不重復自己,我想在兩個observable之間重用一個Subscriber
變量。 你是如何做到這一點的? 我下面的當前代碼不起作用,因為在訂閱者使用一次后,它被取消訂閱並且不再有效。 如果我new
Subscriber
而不是重用變量,我的訂閱工作。 如果可能的話,我不想兩次寫相同的代碼。
public class HomePresenter extends BasePresenter<HomeView> {
ArticleRepo articleRepo;
@Inject
public HomePresenter(ArticleRepo articleRepo) {
this.articleRepo = articleRepo;
}
@Override
public void onCreate(@Nullable PresenterBundle bundle) {
super.onCreate(bundle);
}
public void onEvent(ArticleCategoryClickedEvent event) {
Timber.v("Adapter position clicked at position: '%d'", event.getAdapterPosition());
view.launchArticleActivity(event.getArticleCategory());
}
public void onEvent(SeabeeOnlineExternalLinkClickedEvent event) {
view.launchExternalLink(event.getSeabeeOnlineExternalLink());
}
public void loadArticleImages() {
articleRepo.getArticleBuckets()
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(subscriber);
}
public void refreshData() {
articleRepo.refreshAndSaveArticles()
.flatMap(new Func1<List<ArticleEntity>, Observable<List<ImageArticleCategoryEntity>>>() {
@Override
public Observable<List<ImageArticleCategoryEntity>> call(List<ArticleEntity> articleEntityList) {
return articleRepo.getArticleBuckets();
}
}).subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(subscriber);
}
final Subscriber<List<ImageArticleCategoryEntity>> subscriber = new Subscriber<List<ImageArticleCategoryEntity>>() {
@Override
public void onCompleted() {
Timber.v("Loading article images complete!");
view.hideLoadingAnimation();
}
@Override
public void onError(Throwable e) {
Timber.e("Error loading article images", e);
Log.e("tag", "Error loading article images", e);
}
@Override
public void onNext(List<ImageArticleCategoryEntity> integerImageArticleCategoryEntityHashMap) {
view.loadArticleImages(integerImageArticleCategoryEntityHashMap);
}
};
}
您可以重復使用您的訂戶,您只需要創建一個實際的類。
private static class MySubscriber extends Subscriber<List<ImageArticleCategoryEntity>> {...}
Subscriber<> subscriber1 = new MySubscriber();
Subscriber<> subscriber2 = new MySubscriber();
你去吧
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