96 lines
2.9 KiB
Java
96 lines
2.9 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.plugins.RxJavaPlugins;
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/* loaded from: classes2.dex */
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public final class ObservableScan<T> extends AbstractObservableWithUpstream<T, T> {
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final BiFunction<T, T, T> b;
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static final class ScanObserver<T> implements Observer<T>, Disposable {
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final Observer<? super T> a;
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final BiFunction<T, T, T> b;
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Disposable c;
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T d;
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boolean e;
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ScanObserver(Observer<? super T> observer, BiFunction<T, T, T> biFunction) {
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this.a = observer;
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this.b = biFunction;
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}
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@Override // io.reactivex.disposables.Disposable
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public void dispose() {
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this.c.dispose();
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}
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@Override // io.reactivex.Observer
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public void onComplete() {
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if (this.e) {
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return;
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}
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this.e = true;
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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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if (this.e) {
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RxJavaPlugins.b(th);
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} else {
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this.e = true;
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this.a.onError(th);
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}
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}
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/* JADX WARN: Type inference failed for: r4v2, types: [T, java.lang.Object] */
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@Override // io.reactivex.Observer
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public void onNext(T t) {
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if (this.e) {
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return;
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}
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Observer<? super T> observer = this.a;
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T t2 = this.d;
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if (t2 == null) {
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this.d = t;
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observer.onNext(t);
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return;
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}
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try {
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T apply = this.b.apply(t2, t);
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ObjectHelper.a((Object) apply, "The value returned by the accumulator is null");
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this.d = apply;
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observer.onNext(apply);
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} catch (Throwable th) {
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Exceptions.b(th);
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this.c.dispose();
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onError(th);
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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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if (DisposableHelper.validate(this.c, disposable)) {
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this.c = disposable;
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this.a.onSubscribe(this);
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}
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}
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}
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public ObservableScan(ObservableSource<T> observableSource, BiFunction<T, T, T> biFunction) {
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super(observableSource);
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this.b = biFunction;
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}
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@Override // io.reactivex.Observable
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public void subscribeActual(Observer<? super T> observer) {
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this.a.subscribe(new ScanObserver(observer, this.b));
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}
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}
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