84 lines
2.5 KiB
Java
84 lines
2.5 KiB
Java
package com.google.common.base;
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import java.io.Serializable;
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import java.util.Iterator;
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import java.util.Set;
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/* loaded from: classes2.dex */
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public abstract class Optional<T> implements Serializable {
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private static final long serialVersionUID = 0;
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public abstract Set<T> asSet();
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public abstract boolean equals(Object obj);
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public abstract T get();
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public abstract int hashCode();
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public abstract boolean isPresent();
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public abstract Optional<T> or(Optional<? extends T> optional);
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public abstract T or(Supplier<? extends T> supplier);
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public abstract T or(T t);
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public abstract T orNull();
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public abstract String toString();
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public abstract <V> Optional<V> transform(Function<? super T, V> function);
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public static <T> Optional<T> absent() {
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return Absent.withType();
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}
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public static <T> Optional<T> of(T t) {
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return new Present(Preconditions.checkNotNull(t));
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}
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public static <T> Optional<T> fromNullable(T t) {
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return t == null ? absent() : new Present(t);
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}
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/* renamed from: com.google.common.base.Optional$1, reason: invalid class name */
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/* loaded from: classes2.dex */
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class AnonymousClass1 implements Iterable<T> {
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final Iterable val$optionals;
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AnonymousClass1(Iterable iterable) {
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this.val$optionals = iterable;
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}
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@Override // java.lang.Iterable
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public Iterator<T> iterator() {
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return new AbstractIterator<T>(this) { // from class: com.google.common.base.Optional.1.1
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private final Iterator<? extends Optional<? extends T>> iterator;
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final AnonymousClass1 this$0;
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{
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this.this$0 = this;
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this.iterator = (Iterator) Preconditions.checkNotNull(this.val$optionals.iterator());
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}
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@Override // com.google.common.base.AbstractIterator
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protected T computeNext() {
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while (this.iterator.hasNext()) {
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Optional<? extends T> next = this.iterator.next();
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if (next.isPresent()) {
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return next.get();
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}
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}
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return endOfData();
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}
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};
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}
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}
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public static <T> Iterable<T> presentInstances(Iterable<? extends Optional<? extends T>> iterable) {
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Preconditions.checkNotNull(iterable);
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return new AnonymousClass1(iterable);
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}
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}
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