java - 使用 Firestore Admin 进行 ApiFuture 的完整监听器

Question

是否有与 OnComplete 监听器等效的 Firebase Admin？我的目标是更新文档上的“最近搜索”列表，然后更新操作是否完成的状态。

private static void addSearch(String search, String uid) {

        DocumentSnapshot currentUser = firestoreDB.collection("users").document(uid).get().get();

        ArrayList<String> retrievedSearches = (ArrayList<String>) currentUser.get("searches");
        retrievedSearches.add(search);

        ApiFuture<WriteResult> writer = firestoreDB.collection("users").document(uid).update("searches", retrievedSearches);

        //Oncomplete listener to check when the above^ write has been completed

}

更新(添加回调)

private static void addSearch(String search, String uid) {

        DocumentSnapshot currentUser = firestoreDB.collection("users").document(uid).get().get();

        ArrayList<String> retrievedSearches = (ArrayList<String>) currentUser.get("searches");
        retrievedSearches.add(search);

        ApiFuture<WriteResult> writer = firestoreDB.collection("users").document(uid).update("searches", retrievedSearches);

        //Oncomplete listener to check when the above^ write has been completed

        ApiFutures.addCallback(writer, new ApiFutureCallback<WriteResult>(){
            @Override
            public void onFailure(Throwable t) {
                // TODO handle failure
            }

            @Override
            public void onSuccess(WriteResult result) {
                // TODO handle success
            }
        } );

    }

.addCallBack is deprecated?

Answer 1

根据官方文档ApiFutures类，使用回调可以完成一个操作。

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