60 lines
2 KiB
Java
60 lines
2 KiB
Java
/*
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* Decompiled with CFR 0.152.
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*/
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package com.google.common.base;
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import com.google.common.annotations.GwtCompatible;
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import com.google.common.base.Equivalence;
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import com.google.common.base.Preconditions;
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import java.io.Serializable;
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import java.util.Iterator;
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import javax.annotation.Nullable;
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@GwtCompatible(serializable=true)
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final class PairwiseEquivalence<T>
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extends Equivalence<Iterable<T>>
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implements Serializable {
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final Equivalence<? super T> elementEquivalence;
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private static final long serialVersionUID = 1L;
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PairwiseEquivalence(Equivalence<? super T> elementEquivalence) {
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this.elementEquivalence = Preconditions.checkNotNull(elementEquivalence);
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}
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@Override
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protected boolean doEquivalent(Iterable<T> iterableA, Iterable<T> iterableB) {
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Iterator<T> iteratorA = iterableA.iterator();
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Iterator<T> iteratorB = iterableB.iterator();
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while (iteratorA.hasNext() && iteratorB.hasNext()) {
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if (this.elementEquivalence.equivalent(iteratorA.next(), iteratorB.next())) continue;
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return false;
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}
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return !iteratorA.hasNext() && !iteratorB.hasNext();
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}
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@Override
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protected int doHash(Iterable<T> iterable) {
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int hash = 78721;
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for (T element : iterable) {
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hash = hash * 24943 + this.elementEquivalence.hash(element);
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}
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return hash;
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}
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public boolean equals(@Nullable Object object) {
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if (object instanceof PairwiseEquivalence) {
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PairwiseEquivalence that = (PairwiseEquivalence)object;
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return this.elementEquivalence.equals(that.elementEquivalence);
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}
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return false;
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}
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public int hashCode() {
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return this.elementEquivalence.hashCode() ^ 0x46A3EB07;
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}
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public String toString() {
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String string = String.valueOf(String.valueOf(this.elementEquivalence));
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return new StringBuilder(11 + string.length()).append(string).append(".pairwise()").toString();
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}
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}
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