io.reactivex.rxjava3.core

Interface MaybeOperator<Downstream,Upstream>

Type Parameters:

Downstream - the value type of the downstream

Upstream - the value type of the upstream

public interface MaybeOperator<Downstream,Upstream>

Interface to map/wrap a downstream observer to an upstream observer.

Method Summary

Modifier and Type	Method and Description
MaybeObserver<? super Upstream>	apply(MaybeObserver<? super Downstream> observer) Applies a function to the child MaybeObserver and returns a new parent MaybeObserver.

Method Detail

apply

@NonNull
MaybeObserver<? super Upstream> apply(@NonNull
                                               MaybeObserver<? super Downstream> observer)
                                        throws Exception

Applies a function to the child MaybeObserver and returns a new parent MaybeObserver.

Parameters:

observer - the child MaybeObserver instance

Returns:

the parent MaybeObserver instance

Throws:

Exception - on failure