81 lines
2.3 KiB
Java
81 lines
2.3 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.internal.disposables.DisposableHelper;
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import java.util.ArrayDeque;
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/* loaded from: classes2.dex */
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public final class ObservableTakeLast<T> extends AbstractObservableWithUpstream<T, T> {
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final int b;
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static final class TakeLastObserver<T> extends ArrayDeque<T> implements Observer<T>, Disposable {
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final Observer<? super T> a;
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final int b;
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Disposable c;
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volatile boolean d;
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TakeLastObserver(Observer<? super T> observer, int i) {
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this.a = observer;
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this.b = i;
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}
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@Override // io.reactivex.disposables.Disposable
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public void dispose() {
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if (this.d) {
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return;
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}
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this.d = true;
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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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Observer<? super T> observer = this.a;
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while (!this.d) {
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T poll = poll();
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if (poll == null) {
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if (this.d) {
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return;
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}
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observer.onComplete();
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return;
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}
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observer.onNext(poll);
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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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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.b == size()) {
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poll();
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}
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offer(t);
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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 ObservableTakeLast(ObservableSource<T> observableSource, int i) {
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super(observableSource);
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this.b = i;
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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 TakeLastObserver(observer, this.b));
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}
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}
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