io.reactivex.rxjava3.core

Interface ObservableOnSubscribe<T>

Type Parameters:

T - the value type pushed

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 ObservableOnSubscribe<T>

A functional interface that has a subscribe() method that receives an ObservableEmitter instance that allows pushing events in a cancellation-safe manner.

Method Summary

Modifier and Type	Method and Description
void	subscribe(@NonNull ObservableEmitter<T> emitter) Called for each Observer that subscribes.

Method Detail

subscribe

void subscribe(@NonNull
               @NonNull ObservableEmitter<T> emitter)
        throws Throwable

Called for each Observer that subscribes.

Parameters:

emitter - the safe emitter instance, never null

Throws:

Throwable - on error