Class BlockingFirstObserver<T>

java.lang.Object

java.util.concurrent.CountDownLatch

io.reactivex.rxjava3.internal.observers.BlockingBaseObserver<T>

io.reactivex.rxjava3.internal.observers.BlockingFirstObserver<T>

Type Parameters:

T - the value type

All Implemented Interfaces:

Observer<T>, Disposable

public final class BlockingFirstObserver<T>
extends BlockingBaseObserver<T>

Blocks until the upstream signals its first value or completes.

Field Summary

Fields inherited from class BlockingBaseObserver

cancelled, error, upstream, value

Constructor Summary

Constructors

Constructor	Description
BlockingFirstObserver()

Method Summary

Modifier and Type	Method	Description
void	onError(Throwable t)	Notifies the Observer that the Observable has experienced an error condition.
void	onNext(T t)	Provides the Observer with a new item to observe.

Methods inherited from class BlockingBaseObserver

blockingGet, dispose, isDisposed, onComplete, onSubscribe

Methods inherited from class CountDownLatch

await, await, countDown, getCount, toString

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

BlockingFirstObserver

public BlockingFirstObserver()

Method Details

onNext

public void onNext(T t)

Description copied from interface: Observer

Provides the Observer with a new item to observe.

The Observable may call this method 0 or more times.

The Observable will not call this method again after it calls either Observer.onComplete() or Observer.onError(Throwable).

Parameters:

t - the item emitted by the Observable

onError

public void onError(Throwable t)

Description copied from interface: Observer

Notifies the Observer that the Observable has experienced an error condition.

If the Observable calls this method, it will not thereafter call Observer.onNext(T) or Observer.onComplete().

Parameters:

t - the exception encountered by the Observable