io.reactivex.rxjava3.core

Interface ObservableTransformer<Upstream,Downstream>

Type Parameters:

Upstream - the upstream value type

Downstream - the downstream value type

public interface ObservableTransformer<Upstream,Downstream>

Interface to compose Observables.

Method Summary

Modifier and Type	Method and Description
ObservableSource<Downstream>	apply(Observable<Upstream> upstream) Applies a function to the upstream Observable and returns an ObservableSource with optionally different element type.

Method Detail

apply

@NonNull
ObservableSource<Downstream> apply(@NonNull
                                            Observable<Upstream> upstream)

Applies a function to the upstream Observable and returns an ObservableSource with optionally different element type.

Parameters:

upstream - the upstream Observable instance

Returns:

the transformed ObservableSource instance