mirror of
https://github.com/Pinball3D/Rabbit-R1.git
synced 2024-12-28 18:12:31 -06:00
188 lines
6.4 KiB
Java
188 lines
6.4 KiB
Java
package androidx.concurrent.futures;
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import com.google.common.util.concurrent.ListenableFuture;
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import java.lang.ref.WeakReference;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.Executor;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.TimeoutException;
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/* loaded from: classes.dex */
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public final class CallbackToFutureAdapter {
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/* loaded from: classes.dex */
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public interface Resolver<T> {
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Object attachCompleter(Completer<T> completer) throws Exception;
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}
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private CallbackToFutureAdapter() {
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}
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public static <T> ListenableFuture<T> getFuture(Resolver<T> resolver) {
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Completer<T> completer = new Completer<>();
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SafeFuture<T> safeFuture = new SafeFuture<>(completer);
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completer.future = safeFuture;
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completer.tag = resolver.getClass();
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try {
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Object attachCompleter = resolver.attachCompleter(completer);
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if (attachCompleter != null) {
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completer.tag = attachCompleter;
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}
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} catch (Exception e) {
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safeFuture.setException(e);
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}
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return safeFuture;
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}
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/* JADX INFO: Access modifiers changed from: private */
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/* loaded from: classes.dex */
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public static final class SafeFuture<T> implements ListenableFuture<T> {
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final WeakReference<Completer<T>> completerWeakReference;
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private final AbstractResolvableFuture<T> delegate = new AbstractResolvableFuture<T>() { // from class: androidx.concurrent.futures.CallbackToFutureAdapter.SafeFuture.1
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@Override // androidx.concurrent.futures.AbstractResolvableFuture
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protected String pendingToString() {
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Completer<T> completer = SafeFuture.this.completerWeakReference.get();
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return completer == null ? "Completer object has been garbage collected, future will fail soon" : "tag=[" + completer.tag + "]";
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}
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};
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SafeFuture(Completer<T> completer) {
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this.completerWeakReference = new WeakReference<>(completer);
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}
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@Override // java.util.concurrent.Future
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public boolean cancel(boolean z) {
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Completer<T> completer = this.completerWeakReference.get();
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boolean cancel = this.delegate.cancel(z);
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if (cancel && completer != null) {
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completer.fireCancellationListeners();
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}
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return cancel;
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}
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boolean cancelWithoutNotifyingCompleter(boolean z) {
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return this.delegate.cancel(z);
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}
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boolean set(T t) {
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return this.delegate.set(t);
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}
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boolean setException(Throwable th) {
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return this.delegate.setException(th);
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}
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@Override // java.util.concurrent.Future
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public boolean isCancelled() {
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return this.delegate.isCancelled();
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}
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@Override // java.util.concurrent.Future
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public boolean isDone() {
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return this.delegate.isDone();
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}
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@Override // java.util.concurrent.Future
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public T get() throws InterruptedException, ExecutionException {
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return this.delegate.get();
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}
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@Override // java.util.concurrent.Future
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public T get(long j, TimeUnit timeUnit) throws InterruptedException, ExecutionException, TimeoutException {
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return this.delegate.get(j, timeUnit);
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}
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@Override // com.google.common.util.concurrent.ListenableFuture
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public void addListener(Runnable runnable, Executor executor) {
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this.delegate.addListener(runnable, executor);
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}
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public String toString() {
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return this.delegate.toString();
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}
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}
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/* loaded from: classes.dex */
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public static final class Completer<T> {
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private boolean attemptedSetting;
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private ResolvableFuture<Void> cancellationFuture = ResolvableFuture.create();
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SafeFuture<T> future;
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Object tag;
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private void setCompletedNormally() {
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this.tag = null;
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this.future = null;
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this.cancellationFuture = null;
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}
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Completer() {
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}
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public boolean set(T t) {
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this.attemptedSetting = true;
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SafeFuture<T> safeFuture = this.future;
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boolean z = safeFuture != null && safeFuture.set(t);
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if (z) {
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setCompletedNormally();
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}
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return z;
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}
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public boolean setException(Throwable th) {
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this.attemptedSetting = true;
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SafeFuture<T> safeFuture = this.future;
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boolean z = safeFuture != null && safeFuture.setException(th);
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if (z) {
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setCompletedNormally();
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}
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return z;
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}
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public boolean setCancelled() {
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this.attemptedSetting = true;
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SafeFuture<T> safeFuture = this.future;
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boolean z = safeFuture != null && safeFuture.cancelWithoutNotifyingCompleter(true);
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if (z) {
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setCompletedNormally();
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}
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return z;
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}
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public void addCancellationListener(Runnable runnable, Executor executor) {
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ResolvableFuture<Void> resolvableFuture = this.cancellationFuture;
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if (resolvableFuture != null) {
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resolvableFuture.addListener(runnable, executor);
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}
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}
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void fireCancellationListeners() {
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this.tag = null;
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this.future = null;
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this.cancellationFuture.set(null);
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}
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protected void finalize() {
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ResolvableFuture<Void> resolvableFuture;
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SafeFuture<T> safeFuture = this.future;
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if (safeFuture != null && !safeFuture.isDone()) {
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safeFuture.setException(new FutureGarbageCollectedException("The completer object was garbage collected - this future would otherwise never complete. The tag was: " + this.tag));
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}
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if (this.attemptedSetting || (resolvableFuture = this.cancellationFuture) == null) {
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return;
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}
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resolvableFuture.set(null);
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}
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}
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/* loaded from: classes.dex */
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static final class FutureGarbageCollectedException extends Throwable {
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FutureGarbageCollectedException(String str) {
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super(str);
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}
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@Override // java.lang.Throwable
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public synchronized Throwable fillInStackTrace() {
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return this;
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}
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}
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}
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