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retrofitrx-javaobservableretrofit2reactivex
Hareesh
Hareesh

Reputation: 734

Wrapping observables within action of another observable

I just started on ReactiveX and Retrofit, Consider following example retrofit example,

@GET
public Observable<ResponseType1> makeFirstCall();

@POST
public Observable<ResponseType2 makeSecondCallWithFirstResponse(@Body ResponseType1 input);

Is it a good idea to have observable within another action1? like below

makeFirstCalle().subscribe((responseType1) -> {

    makeSecondCallWithFirstResponse(responseType1).subscribe("second action goes here")

});

Upvotes: 0

Views: 229

Answers (1)

JohnWowUs
JohnWowUs

Reputation: 3083

Why not use concatMap or flatMap?

makeFirstCall().concatMap(responseType1 -> makeSecondCallWithFirstResponse(responseType1))
               .subscribe(....)

You can keep chaining if you have additional api calls. For example

makeFirstCall().concatMap(responseType1 -> makeSecondCallWithFirstResponse(responseType1))
               .concatMap(responseType2 -> makeThirdCallWithSecondResponse(responseType2))
               .subscribe(....)

Upvotes: 2

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