120 lines
4.2 KiB
Java
120 lines
4.2 KiB
Java
package io.reactivex.internal.operators.observable;
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import io.reactivex.ObservableSource;
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import io.reactivex.Observer;
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import io.reactivex.disposables.Disposable;
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import io.reactivex.exceptions.Exceptions;
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import io.reactivex.functions.BiFunction;
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import io.reactivex.internal.disposables.DisposableHelper;
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import io.reactivex.internal.functions.ObjectHelper;
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import io.reactivex.observers.SerializedObserver;
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import java.util.concurrent.atomic.AtomicReference;
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/* loaded from: classes2.dex */
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public final class ObservableWithLatestFrom<T, U, R> extends AbstractObservableWithUpstream<T, R> {
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final BiFunction<? super T, ? super U, ? extends R> b;
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final ObservableSource<? extends U> c;
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static final class WithLatestFromObserver<T, U, R> extends AtomicReference<U> implements Observer<T>, Disposable {
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final Observer<? super R> a;
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final BiFunction<? super T, ? super U, ? extends R> b;
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final AtomicReference<Disposable> c = new AtomicReference<>();
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final AtomicReference<Disposable> d = new AtomicReference<>();
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WithLatestFromObserver(Observer<? super R> observer, BiFunction<? super T, ? super U, ? extends R> biFunction) {
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this.a = observer;
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this.b = biFunction;
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}
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public boolean a(Disposable disposable) {
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return DisposableHelper.setOnce(this.d, disposable);
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}
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@Override // io.reactivex.disposables.Disposable
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public void dispose() {
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DisposableHelper.dispose(this.c);
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DisposableHelper.dispose(this.d);
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}
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@Override // io.reactivex.Observer
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public void onComplete() {
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DisposableHelper.dispose(this.d);
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this.a.onComplete();
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}
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@Override // io.reactivex.Observer
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public void onError(Throwable th) {
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DisposableHelper.dispose(this.d);
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this.a.onError(th);
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}
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@Override // io.reactivex.Observer
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public void onNext(T t) {
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U u = get();
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if (u != null) {
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try {
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R apply = this.b.apply(t, u);
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ObjectHelper.a(apply, "The combiner returned a null value");
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this.a.onNext(apply);
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} catch (Throwable th) {
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Exceptions.b(th);
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dispose();
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this.a.onError(th);
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}
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}
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}
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@Override // io.reactivex.Observer
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public void onSubscribe(Disposable disposable) {
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DisposableHelper.setOnce(this.c, disposable);
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}
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public void a(Throwable th) {
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DisposableHelper.dispose(this.c);
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this.a.onError(th);
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}
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}
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final class WithLatestFromOtherObserver implements Observer<U> {
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private final WithLatestFromObserver<T, U, R> a;
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WithLatestFromOtherObserver(ObservableWithLatestFrom observableWithLatestFrom, WithLatestFromObserver<T, U, R> withLatestFromObserver) {
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this.a = withLatestFromObserver;
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}
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@Override // io.reactivex.Observer
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public void onComplete() {
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}
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@Override // io.reactivex.Observer
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public void onError(Throwable th) {
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this.a.a(th);
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}
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@Override // io.reactivex.Observer
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public void onNext(U u) {
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this.a.lazySet(u);
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}
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@Override // io.reactivex.Observer
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public void onSubscribe(Disposable disposable) {
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this.a.a(disposable);
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}
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}
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public ObservableWithLatestFrom(ObservableSource<T> observableSource, BiFunction<? super T, ? super U, ? extends R> biFunction, ObservableSource<? extends U> observableSource2) {
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super(observableSource);
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this.b = biFunction;
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this.c = observableSource2;
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}
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@Override // io.reactivex.Observable
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public void subscribeActual(Observer<? super R> observer) {
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SerializedObserver serializedObserver = new SerializedObserver(observer);
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WithLatestFromObserver withLatestFromObserver = new WithLatestFromObserver(serializedObserver, this.b);
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serializedObserver.onSubscribe(withLatestFromObserver);
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this.c.subscribe(new WithLatestFromOtherObserver(this, withLatestFromObserver));
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this.a.subscribe(withLatestFromObserver);
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}
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}
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