Package io.reactivex.rxjava3.core
Interface MaybeOperator<Downstream,Upstream>
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- Type Parameters:
Downstream
- the value type of the downstreamUpstream
- the value type of the upstream
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public interface MaybeOperator<@NonNull Downstream,@NonNull Upstream>
Interface to map/wrap a downstreamMaybeObserver
to an upstreamMaybeObserver
.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description @NonNull MaybeObserver<? super Upstream>
apply(@NonNull MaybeObserver<? super @NonNull Downstream> observer)
Applies a function to the childMaybeObserver
and returns a new parentMaybeObserver
.
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Method Detail
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apply
@NonNull @NonNull MaybeObserver<? super Upstream> apply(@NonNull @NonNull MaybeObserver<? super @NonNull Downstream> observer) throws java.lang.Throwable
Applies a function to the childMaybeObserver
and returns a new parentMaybeObserver
.- Parameters:
observer
- the childMaybeObserver
instance- Returns:
- the parent
MaybeObserver
instance - Throws:
java.lang.Throwable
- on failure
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