what-the-bank/sources/com/google/common/util/concurrent/AggregateFutureState.java

129 lines
5.4 KiB
Java

package com.google.common.util.concurrent;
import com.google.common.collect.Sets;
import com.google.common.util.concurrent.AbstractFuture;
import java.util.Set;
import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
import java.util.logging.Level;
import java.util.logging.Logger;
/* loaded from: classes2.dex */
abstract class AggregateFutureState<OutputT> extends AbstractFuture.TrustedFuture<OutputT> {
private static final AtomicHelper ATOMIC_HELPER;
private static final Logger log = Logger.getLogger(AggregateFutureState.class.getName());
private volatile int remaining;
private volatile Set<Throwable> seenExceptions = null;
abstract void addInitialException(Set<Throwable> set);
static /* synthetic */ int access$306(AggregateFutureState aggregateFutureState) {
int i = aggregateFutureState.remaining - 1;
aggregateFutureState.remaining = i;
return i;
}
/* JADX WARN: Multi-variable type inference failed */
static {
AtomicHelper synchronizedAtomicHelper;
Throwable th = null;
Object[] objArr = 0;
try {
synchronizedAtomicHelper = new SafeAtomicHelper(AtomicReferenceFieldUpdater.newUpdater(AggregateFutureState.class, Set.class, "seenExceptions"), AtomicIntegerFieldUpdater.newUpdater(AggregateFutureState.class, "remaining"));
} catch (Throwable th2) {
synchronizedAtomicHelper = new SynchronizedAtomicHelper();
th = th2;
}
ATOMIC_HELPER = synchronizedAtomicHelper;
if (th != null) {
log.log(Level.SEVERE, "SafeAtomicHelper is broken!", th);
}
}
/* JADX INFO: Access modifiers changed from: package-private */
public AggregateFutureState(int i) {
this.remaining = i;
}
/* JADX INFO: Access modifiers changed from: package-private */
public final Set<Throwable> getOrInitSeenExceptions() {
Set<Throwable> set = this.seenExceptions;
if (set != null) {
return set;
}
Set<Throwable> newConcurrentHashSet = Sets.newConcurrentHashSet();
addInitialException(newConcurrentHashSet);
ATOMIC_HELPER.compareAndSetSeenExceptions(this, null, newConcurrentHashSet);
return this.seenExceptions;
}
/* JADX INFO: Access modifiers changed from: package-private */
public final int decrementRemainingAndGet() {
return ATOMIC_HELPER.decrementAndGetRemainingCount(this);
}
/* loaded from: classes2.dex */
static abstract class AtomicHelper {
abstract void compareAndSetSeenExceptions(AggregateFutureState aggregateFutureState, Set<Throwable> set, Set<Throwable> set2);
abstract int decrementAndGetRemainingCount(AggregateFutureState aggregateFutureState);
private AtomicHelper() {
}
}
/* loaded from: classes2.dex */
static final class SafeAtomicHelper extends AtomicHelper {
final AtomicIntegerFieldUpdater<AggregateFutureState> remainingCountUpdater;
final AtomicReferenceFieldUpdater<AggregateFutureState, Set<Throwable>> seenExceptionsUpdater;
SafeAtomicHelper(AtomicReferenceFieldUpdater atomicReferenceFieldUpdater, AtomicIntegerFieldUpdater atomicIntegerFieldUpdater) {
super();
this.seenExceptionsUpdater = atomicReferenceFieldUpdater;
this.remainingCountUpdater = atomicIntegerFieldUpdater;
}
@Override // com.google.common.util.concurrent.AggregateFutureState.AtomicHelper
final int decrementAndGetRemainingCount(AggregateFutureState aggregateFutureState) {
return this.remainingCountUpdater.decrementAndGet(aggregateFutureState);
}
@Override // com.google.common.util.concurrent.AggregateFutureState.AtomicHelper
final void compareAndSetSeenExceptions(AggregateFutureState aggregateFutureState, Set<Throwable> set, Set<Throwable> set2) {
AtomicReferenceFieldUpdater<AggregateFutureState, Set<Throwable>> atomicReferenceFieldUpdater = this.seenExceptionsUpdater;
while (!atomicReferenceFieldUpdater.compareAndSet(aggregateFutureState, set, set2) && atomicReferenceFieldUpdater.get(aggregateFutureState) == set) {
}
}
}
/* loaded from: classes2.dex */
static final class SynchronizedAtomicHelper extends AtomicHelper {
private SynchronizedAtomicHelper() {
super();
}
@Override // com.google.common.util.concurrent.AggregateFutureState.AtomicHelper
final void compareAndSetSeenExceptions(AggregateFutureState aggregateFutureState, Set<Throwable> set, Set<Throwable> set2) {
synchronized (aggregateFutureState) {
if (aggregateFutureState.seenExceptions == set) {
aggregateFutureState.seenExceptions = set2;
}
}
}
@Override // com.google.common.util.concurrent.AggregateFutureState.AtomicHelper
final int decrementAndGetRemainingCount(AggregateFutureState aggregateFutureState) {
int access$306;
synchronized (aggregateFutureState) {
access$306 = AggregateFutureState.access$306(aggregateFutureState);
}
return access$306;
}
}
/* JADX INFO: Access modifiers changed from: package-private */
public final void clearSeenExceptions() {
this.seenExceptions = null;
}
}