102 lines
3.0 KiB
Java
102 lines
3.0 KiB
Java
package io.reactivex.internal.operators.observable;
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import io.reactivex.Maybe;
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import io.reactivex.MaybeObserver;
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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 ObservableReduceMaybe<T> extends Maybe<T> {
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final ObservableSource<T> a;
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final BiFunction<T, T, T> b;
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static final class ReduceObserver<T> implements Observer<T>, Disposable {
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final MaybeObserver<? super T> a;
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final BiFunction<T, T, T> b;
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boolean c;
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T d;
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Disposable e;
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ReduceObserver(MaybeObserver<? super T> maybeObserver, BiFunction<T, T, T> biFunction) {
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this.a = maybeObserver;
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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.e.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.c) {
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return;
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}
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this.c = true;
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T t = this.d;
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this.d = null;
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if (t != null) {
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this.a.onSuccess(t);
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} else {
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this.a.onComplete();
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}
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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.c) {
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RxJavaPlugins.b(th);
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return;
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}
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this.c = true;
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this.d = null;
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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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if (this.c) {
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return;
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}
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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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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 reducer returned a null value");
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this.d = apply;
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} catch (Throwable th) {
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Exceptions.b(th);
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this.e.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.e, disposable)) {
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this.e = 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 ObservableReduceMaybe(ObservableSource<T> observableSource, BiFunction<T, T, T> biFunction) {
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this.a = observableSource;
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this.b = biFunction;
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}
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@Override // io.reactivex.Maybe
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protected void b(MaybeObserver<? super T> maybeObserver) {
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this.a.subscribe(new ReduceObserver(maybeObserver, this.b));
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}
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}
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