Rabbit-R1/switch port/java/sources/com/google/common/collect/Ordering.java
2024-05-21 17:08:36 -04:00

332 lines
11 KiB
Java

package com.google.common.collect;
import com.google.common.base.Function;
import com.google.common.base.Preconditions;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.atomic.AtomicInteger;
import javax.annotation.CheckForNull;
@ElementTypesAreNonnullByDefault
/* loaded from: classes3.dex */
public abstract class Ordering<T> implements Comparator<T> {
static final int LEFT_IS_GREATER = 1;
static final int RIGHT_IS_GREATER = -1;
@Override // java.util.Comparator
public abstract int compare(@ParametricNullness T t, @ParametricNullness T t2);
public static <C extends Comparable> Ordering<C> natural() {
return NaturalOrdering.INSTANCE;
}
public static <T> Ordering<T> from(Comparator<T> comparator) {
if (comparator instanceof Ordering) {
return (Ordering) comparator;
}
return new ComparatorOrdering(comparator);
}
@Deprecated
public static <T> Ordering<T> from(Ordering<T> ordering) {
return (Ordering) Preconditions.checkNotNull(ordering);
}
public static <T> Ordering<T> explicit(List<T> list) {
return new ExplicitOrdering(list);
}
public static <T> Ordering<T> explicit(T t, T... tArr) {
return explicit(Lists.asList(t, tArr));
}
public static Ordering<Object> allEqual() {
return AllEqualOrdering.INSTANCE;
}
public static Ordering<Object> usingToString() {
return UsingToStringOrdering.INSTANCE;
}
public static Ordering<Object> arbitrary() {
return ArbitraryOrderingHolder.ARBITRARY_ORDERING;
}
/* loaded from: classes3.dex */
private static class ArbitraryOrderingHolder {
static final Ordering<Object> ARBITRARY_ORDERING = new ArbitraryOrdering();
private ArbitraryOrderingHolder() {
}
}
/* loaded from: classes3.dex */
static class ArbitraryOrdering extends Ordering<Object> {
private final AtomicInteger counter = new AtomicInteger(0);
private final ConcurrentMap<Object, Integer> uids = Platform.tryWeakKeys(new MapMaker()).makeMap();
public String toString() {
return "Ordering.arbitrary()";
}
ArbitraryOrdering() {
}
private Integer getUid(Object obj) {
Integer num = this.uids.get(obj);
if (num != null) {
return num;
}
Integer valueOf = Integer.valueOf(this.counter.getAndIncrement());
Integer putIfAbsent = this.uids.putIfAbsent(obj, valueOf);
return putIfAbsent != null ? putIfAbsent : valueOf;
}
@Override // com.google.common.collect.Ordering, java.util.Comparator
public int compare(@CheckForNull Object obj, @CheckForNull Object obj2) {
if (obj == obj2) {
return 0;
}
if (obj == null) {
return -1;
}
if (obj2 == null) {
return 1;
}
int identityHashCode = identityHashCode(obj);
int identityHashCode2 = identityHashCode(obj2);
if (identityHashCode != identityHashCode2) {
return identityHashCode < identityHashCode2 ? -1 : 1;
}
int compareTo = getUid(obj).compareTo(getUid(obj2));
if (compareTo != 0) {
return compareTo;
}
throw new AssertionError();
}
int identityHashCode(Object obj) {
return System.identityHashCode(obj);
}
}
public <S extends T> Ordering<S> reverse() {
return new ReverseOrdering(this);
}
public <S extends T> Ordering<S> nullsFirst() {
return new NullsFirstOrdering(this);
}
public <S extends T> Ordering<S> nullsLast() {
return new NullsLastOrdering(this);
}
public <F> Ordering<F> onResultOf(Function<F, ? extends T> function) {
return new ByFunctionOrdering(function, this);
}
/* JADX INFO: Access modifiers changed from: package-private */
public <T2 extends T> Ordering<Map.Entry<T2, ?>> onKeys() {
return (Ordering<Map.Entry<T2, ?>>) onResultOf(Maps.keyFunction());
}
public <U extends T> Ordering<U> compound(Comparator<? super U> comparator) {
return new CompoundOrdering(this, (Comparator) Preconditions.checkNotNull(comparator));
}
public static <T> Ordering<T> compound(Iterable<? extends Comparator<? super T>> iterable) {
return new CompoundOrdering(iterable);
}
public <S extends T> Ordering<Iterable<S>> lexicographical() {
return new LexicographicalOrdering(this);
}
@ParametricNullness
public <E extends T> E min(Iterator<E> it) {
E next = it.next();
while (it.hasNext()) {
next = (E) min(next, it.next());
}
return next;
}
@ParametricNullness
public <E extends T> E min(Iterable<E> iterable) {
return (E) min(iterable.iterator());
}
/* JADX WARN: Multi-variable type inference failed */
@ParametricNullness
public <E extends T> E min(@ParametricNullness E e, @ParametricNullness E e2) {
return compare(e, e2) <= 0 ? e : e2;
}
@ParametricNullness
public <E extends T> E min(@ParametricNullness E e, @ParametricNullness E e2, @ParametricNullness E e3, E... eArr) {
E e4 = (E) min(min(e, e2), e3);
for (E e5 : eArr) {
e4 = (E) min(e4, e5);
}
return e4;
}
@ParametricNullness
public <E extends T> E max(Iterator<E> it) {
E next = it.next();
while (it.hasNext()) {
next = (E) max(next, it.next());
}
return next;
}
@ParametricNullness
public <E extends T> E max(Iterable<E> iterable) {
return (E) max(iterable.iterator());
}
/* JADX WARN: Multi-variable type inference failed */
@ParametricNullness
public <E extends T> E max(@ParametricNullness E e, @ParametricNullness E e2) {
return compare(e, e2) >= 0 ? e : e2;
}
@ParametricNullness
public <E extends T> E max(@ParametricNullness E e, @ParametricNullness E e2, @ParametricNullness E e3, E... eArr) {
E e4 = (E) max(max(e, e2), e3);
for (E e5 : eArr) {
e4 = (E) max(e4, e5);
}
return e4;
}
public <E extends T> List<E> leastOf(Iterable<E> iterable, int i) {
if (iterable instanceof Collection) {
Collection collection = (Collection) iterable;
if (collection.size() <= i * 2) {
Object[] array = collection.toArray();
Arrays.sort(array, this);
if (array.length > i) {
array = Arrays.copyOf(array, i);
}
return Collections.unmodifiableList(Arrays.asList(array));
}
}
return leastOf(iterable.iterator(), i);
}
public <E extends T> List<E> leastOf(Iterator<E> it, int i) {
Preconditions.checkNotNull(it);
CollectPreconditions.checkNonnegative(i, "k");
if (i == 0 || !it.hasNext()) {
return Collections.emptyList();
}
if (i >= 1073741823) {
ArrayList newArrayList = Lists.newArrayList(it);
Collections.sort(newArrayList, this);
if (newArrayList.size() > i) {
newArrayList.subList(i, newArrayList.size()).clear();
}
newArrayList.trimToSize();
return Collections.unmodifiableList(newArrayList);
}
TopKSelector least = TopKSelector.least(i, this);
least.offerAll(it);
return least.topK();
}
public <E extends T> List<E> greatestOf(Iterable<E> iterable, int i) {
return reverse().leastOf(iterable, i);
}
public <E extends T> List<E> greatestOf(Iterator<E> it, int i) {
return reverse().leastOf(it, i);
}
public <E extends T> List<E> sortedCopy(Iterable<E> iterable) {
Object[] array = Iterables.toArray(iterable);
Arrays.sort(array, this);
return Lists.newArrayList(Arrays.asList(array));
}
public <E extends T> ImmutableList<E> immutableSortedCopy(Iterable<E> iterable) {
return ImmutableList.sortedCopyOf(this, iterable);
}
public boolean isOrdered(Iterable<? extends T> iterable) {
Iterator<? extends T> it = iterable.iterator();
if (!it.hasNext()) {
return true;
}
T next = it.next();
while (it.hasNext()) {
T next2 = it.next();
if (compare(next, next2) > 0) {
return false;
}
next = next2;
}
return true;
}
public boolean isStrictlyOrdered(Iterable<? extends T> iterable) {
Iterator<? extends T> it = iterable.iterator();
if (!it.hasNext()) {
return true;
}
T next = it.next();
while (it.hasNext()) {
T next2 = it.next();
if (compare(next, next2) >= 0) {
return false;
}
next = next2;
}
return true;
}
@Deprecated
public int binarySearch(List<? extends T> list, @ParametricNullness T t) {
return Collections.binarySearch(list, t, this);
}
/* loaded from: classes3.dex */
static class IncomparableValueException extends ClassCastException {
private static final long serialVersionUID = 0;
final Object value;
/* JADX INFO: Access modifiers changed from: package-private */
/* JADX WARN: Illegal instructions before constructor call */
/*
Code decompiled incorrectly, please refer to instructions dump.
To view partially-correct add '--show-bad-code' argument
*/
public IncomparableValueException(java.lang.Object r4) {
/*
r3 = this;
java.lang.String r0 = java.lang.String.valueOf(r4)
java.lang.String r1 = java.lang.String.valueOf(r0)
int r1 = r1.length()
int r1 = r1 + 22
java.lang.StringBuilder r2 = new java.lang.StringBuilder
r2.<init>(r1)
java.lang.String r1 = "Cannot compare value: "
java.lang.StringBuilder r1 = r2.append(r1)
java.lang.StringBuilder r0 = r1.append(r0)
java.lang.String r0 = r0.toString()
r3.<init>(r0)
r3.value = r4
return
*/
throw new UnsupportedOperationException("Method not decompiled: com.google.common.collect.Ordering.IncomparableValueException.<init>(java.lang.Object):void");
}
}
}