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

566 lines
23 KiB
Java

package com.google.common.util.concurrent;
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.ListenerCallQueue;
import com.google.common.util.concurrent.Monitor;
import com.google.common.util.concurrent.Service;
import java.util.concurrent.Executor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
/* loaded from: classes2.dex */
public abstract class AbstractService implements Service {
private static final ListenerCallQueue.Event<Service.Listener> STARTING_EVENT = new ListenerCallQueue.Event<Service.Listener>() { // from class: com.google.common.util.concurrent.AbstractService.1
@Override // com.google.common.util.concurrent.ListenerCallQueue.Event
public void call(Service.Listener listener) {
listener.starting();
}
public String toString() {
return "starting()";
}
};
private static final ListenerCallQueue.Event<Service.Listener> RUNNING_EVENT = new ListenerCallQueue.Event<Service.Listener>() { // from class: com.google.common.util.concurrent.AbstractService.2
@Override // com.google.common.util.concurrent.ListenerCallQueue.Event
public void call(Service.Listener listener) {
listener.running();
}
public String toString() {
return "running()";
}
};
private static final ListenerCallQueue.Event<Service.Listener> STOPPING_FROM_STARTING_EVENT = stoppingEvent(Service.State.STARTING);
private static final ListenerCallQueue.Event<Service.Listener> STOPPING_FROM_RUNNING_EVENT = stoppingEvent(Service.State.RUNNING);
private static final ListenerCallQueue.Event<Service.Listener> TERMINATED_FROM_NEW_EVENT = terminatedEvent(Service.State.NEW);
private static final ListenerCallQueue.Event<Service.Listener> TERMINATED_FROM_STARTING_EVENT = terminatedEvent(Service.State.STARTING);
private static final ListenerCallQueue.Event<Service.Listener> TERMINATED_FROM_RUNNING_EVENT = terminatedEvent(Service.State.RUNNING);
private static final ListenerCallQueue.Event<Service.Listener> TERMINATED_FROM_STOPPING_EVENT = terminatedEvent(Service.State.STOPPING);
private final Monitor monitor = new Monitor();
private final Monitor.Guard isStartable = new IsStartableGuard(this);
private final Monitor.Guard isStoppable = new IsStoppableGuard(this);
private final Monitor.Guard hasReachedRunning = new HasReachedRunningGuard(this);
private final Monitor.Guard isStopped = new IsStoppedGuard(this);
private final ListenerCallQueue<Service.Listener> listeners = new ListenerCallQueue<>();
private volatile StateSnapshot snapshot = new StateSnapshot(Service.State.NEW);
protected void doCancelStart() {
}
protected abstract void doStart();
protected abstract void doStop();
private static ListenerCallQueue.Event<Service.Listener> terminatedEvent(Service.State state) {
return new ListenerCallQueue.Event<Service.Listener>(state) { // from class: com.google.common.util.concurrent.AbstractService.3
final Service.State val$from;
{
this.val$from = state;
}
@Override // com.google.common.util.concurrent.ListenerCallQueue.Event
public void call(Service.Listener listener) {
listener.terminated(this.val$from);
}
public String toString() {
String valueOf = String.valueOf(this.val$from);
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 21);
sb.append("terminated({from = ");
sb.append(valueOf);
sb.append("})");
return sb.toString();
}
};
}
private static ListenerCallQueue.Event<Service.Listener> stoppingEvent(Service.State state) {
return new ListenerCallQueue.Event<Service.Listener>(state) { // from class: com.google.common.util.concurrent.AbstractService.4
final Service.State val$from;
{
this.val$from = state;
}
@Override // com.google.common.util.concurrent.ListenerCallQueue.Event
public void call(Service.Listener listener) {
listener.stopping(this.val$from);
}
public String toString() {
String valueOf = String.valueOf(this.val$from);
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 19);
sb.append("stopping({from = ");
sb.append(valueOf);
sb.append("})");
return sb.toString();
}
};
}
/* loaded from: classes2.dex */
final class IsStartableGuard extends Monitor.Guard {
final AbstractService this$0;
/* JADX WARN: 'super' call moved to the top of the method (can break code semantics) */
IsStartableGuard(AbstractService abstractService) {
super(abstractService.monitor);
this.this$0 = abstractService;
}
@Override // com.google.common.util.concurrent.Monitor.Guard
public final boolean isSatisfied() {
return this.this$0.state() == Service.State.NEW;
}
}
/* loaded from: classes2.dex */
final class IsStoppableGuard extends Monitor.Guard {
final AbstractService this$0;
/* JADX WARN: 'super' call moved to the top of the method (can break code semantics) */
IsStoppableGuard(AbstractService abstractService) {
super(abstractService.monitor);
this.this$0 = abstractService;
}
@Override // com.google.common.util.concurrent.Monitor.Guard
public final boolean isSatisfied() {
return this.this$0.state().compareTo(Service.State.RUNNING) <= 0;
}
}
/* loaded from: classes2.dex */
final class HasReachedRunningGuard extends Monitor.Guard {
final AbstractService this$0;
/* JADX WARN: 'super' call moved to the top of the method (can break code semantics) */
HasReachedRunningGuard(AbstractService abstractService) {
super(abstractService.monitor);
this.this$0 = abstractService;
}
@Override // com.google.common.util.concurrent.Monitor.Guard
public final boolean isSatisfied() {
return this.this$0.state().compareTo(Service.State.RUNNING) >= 0;
}
}
/* loaded from: classes2.dex */
final class IsStoppedGuard extends Monitor.Guard {
final AbstractService this$0;
/* JADX WARN: 'super' call moved to the top of the method (can break code semantics) */
IsStoppedGuard(AbstractService abstractService) {
super(abstractService.monitor);
this.this$0 = abstractService;
}
@Override // com.google.common.util.concurrent.Monitor.Guard
public final boolean isSatisfied() {
return this.this$0.state().isTerminal();
}
}
@Override // com.google.common.util.concurrent.Service
public final Service startAsync() {
if (this.monitor.enterIf(this.isStartable)) {
try {
this.snapshot = new StateSnapshot(Service.State.STARTING);
enqueueStartingEvent();
doStart();
} finally {
try {
return this;
} finally {
}
}
return this;
}
String valueOf = String.valueOf(this);
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 33);
sb.append("Service ");
sb.append(valueOf);
sb.append(" has already been started");
throw new IllegalStateException(sb.toString());
}
@Override // com.google.common.util.concurrent.Service
public final Service stopAsync() {
if (this.monitor.enterIf(this.isStoppable)) {
try {
Service.State state = state();
switch (AnonymousClass6.$SwitchMap$com$google$common$util$concurrent$Service$State[state.ordinal()]) {
case 1:
this.snapshot = new StateSnapshot(Service.State.TERMINATED);
enqueueTerminatedEvent(Service.State.NEW);
break;
case 2:
this.snapshot = new StateSnapshot(Service.State.STARTING, true, null);
enqueueStoppingEvent(Service.State.STARTING);
doCancelStart();
break;
case 3:
this.snapshot = new StateSnapshot(Service.State.STOPPING);
enqueueStoppingEvent(Service.State.RUNNING);
doStop();
break;
case 4:
case 5:
case 6:
String valueOf = String.valueOf(state);
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 45);
sb.append("isStoppable is incorrectly implemented, saw: ");
sb.append(valueOf);
throw new AssertionError(sb.toString());
}
} finally {
try {
} finally {
}
}
}
return this;
}
/* JADX INFO: Access modifiers changed from: package-private */
/* renamed from: com.google.common.util.concurrent.AbstractService$6, reason: invalid class name */
/* loaded from: classes2.dex */
public static /* synthetic */ class AnonymousClass6 {
static final int[] $SwitchMap$com$google$common$util$concurrent$Service$State;
static {
int[] iArr = new int[Service.State.values().length];
$SwitchMap$com$google$common$util$concurrent$Service$State = iArr;
try {
iArr[Service.State.NEW.ordinal()] = 1;
} catch (NoSuchFieldError unused) {
}
try {
$SwitchMap$com$google$common$util$concurrent$Service$State[Service.State.STARTING.ordinal()] = 2;
} catch (NoSuchFieldError unused2) {
}
try {
$SwitchMap$com$google$common$util$concurrent$Service$State[Service.State.RUNNING.ordinal()] = 3;
} catch (NoSuchFieldError unused3) {
}
try {
$SwitchMap$com$google$common$util$concurrent$Service$State[Service.State.STOPPING.ordinal()] = 4;
} catch (NoSuchFieldError unused4) {
}
try {
$SwitchMap$com$google$common$util$concurrent$Service$State[Service.State.TERMINATED.ordinal()] = 5;
} catch (NoSuchFieldError unused5) {
}
try {
$SwitchMap$com$google$common$util$concurrent$Service$State[Service.State.FAILED.ordinal()] = 6;
} catch (NoSuchFieldError unused6) {
}
}
}
@Override // com.google.common.util.concurrent.Service
public final void awaitRunning() {
this.monitor.enterWhenUninterruptibly(this.hasReachedRunning);
try {
checkCurrentState(Service.State.RUNNING);
} finally {
this.monitor.leave();
}
}
@Override // com.google.common.util.concurrent.Service
public final void awaitRunning(long j, TimeUnit timeUnit) throws TimeoutException {
if (this.monitor.enterWhenUninterruptibly(this.hasReachedRunning, j, timeUnit)) {
try {
checkCurrentState(Service.State.RUNNING);
} finally {
this.monitor.leave();
}
} else {
String valueOf = String.valueOf(this);
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 50);
sb.append("Timed out waiting for ");
sb.append(valueOf);
sb.append(" to reach the RUNNING state.");
throw new TimeoutException(sb.toString());
}
}
@Override // com.google.common.util.concurrent.Service
public final void awaitTerminated() {
this.monitor.enterWhenUninterruptibly(this.isStopped);
try {
checkCurrentState(Service.State.TERMINATED);
} finally {
this.monitor.leave();
}
}
@Override // com.google.common.util.concurrent.Service
public final void awaitTerminated(long j, TimeUnit timeUnit) throws TimeoutException {
if (this.monitor.enterWhenUninterruptibly(this.isStopped, j, timeUnit)) {
try {
checkCurrentState(Service.State.TERMINATED);
return;
} finally {
this.monitor.leave();
}
}
String valueOf = String.valueOf(this);
String valueOf2 = String.valueOf(state());
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 65 + String.valueOf(valueOf2).length());
sb.append("Timed out waiting for ");
sb.append(valueOf);
sb.append(" to reach a terminal state. Current state: ");
sb.append(valueOf2);
throw new TimeoutException(sb.toString());
}
private void checkCurrentState(Service.State state) {
Service.State state2 = state();
if (state2 != state) {
if (state2 == Service.State.FAILED) {
String valueOf = String.valueOf(this);
String valueOf2 = String.valueOf(state);
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 56 + String.valueOf(valueOf2).length());
sb.append("Expected the service ");
sb.append(valueOf);
sb.append(" to be ");
sb.append(valueOf2);
sb.append(", but the service has FAILED");
throw new IllegalStateException(sb.toString(), failureCause());
}
String valueOf3 = String.valueOf(this);
String valueOf4 = String.valueOf(state);
String valueOf5 = String.valueOf(state2);
StringBuilder sb2 = new StringBuilder(String.valueOf(valueOf3).length() + 38 + String.valueOf(valueOf4).length() + String.valueOf(valueOf5).length());
sb2.append("Expected the service ");
sb2.append(valueOf3);
sb2.append(" to be ");
sb2.append(valueOf4);
sb2.append(", but was ");
sb2.append(valueOf5);
throw new IllegalStateException(sb2.toString());
}
}
/* JADX INFO: Access modifiers changed from: protected */
public final void notifyStarted() {
this.monitor.enter();
try {
if (this.snapshot.state != Service.State.STARTING) {
String valueOf = String.valueOf(this.snapshot.state);
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 43);
sb.append("Cannot notifyStarted() when the service is ");
sb.append(valueOf);
IllegalStateException illegalStateException = new IllegalStateException(sb.toString());
notifyFailed(illegalStateException);
throw illegalStateException;
}
if (this.snapshot.shutdownWhenStartupFinishes) {
this.snapshot = new StateSnapshot(Service.State.STOPPING);
doStop();
} else {
this.snapshot = new StateSnapshot(Service.State.RUNNING);
enqueueRunningEvent();
}
} finally {
this.monitor.leave();
dispatchListenerEvents();
}
}
/* JADX INFO: Access modifiers changed from: protected */
public final void notifyStopped() {
this.monitor.enter();
try {
Service.State state = state();
switch (AnonymousClass6.$SwitchMap$com$google$common$util$concurrent$Service$State[state.ordinal()]) {
case 1:
case 5:
case 6:
String valueOf = String.valueOf(state);
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 43);
sb.append("Cannot notifyStopped() when the service is ");
sb.append(valueOf);
throw new IllegalStateException(sb.toString());
case 2:
case 3:
case 4:
this.snapshot = new StateSnapshot(Service.State.TERMINATED);
enqueueTerminatedEvent(state);
break;
}
} finally {
this.monitor.leave();
dispatchListenerEvents();
}
}
/* JADX INFO: Access modifiers changed from: protected */
public final void notifyFailed(Throwable th) {
Preconditions.checkNotNull(th);
this.monitor.enter();
try {
Service.State state = state();
int i = AnonymousClass6.$SwitchMap$com$google$common$util$concurrent$Service$State[state.ordinal()];
if (i != 1) {
if (i == 2 || i == 3 || i == 4) {
this.snapshot = new StateSnapshot(Service.State.FAILED, false, th);
enqueueFailedEvent(state, th);
} else if (i != 5) {
}
return;
}
String valueOf = String.valueOf(state);
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 22);
sb.append("Failed while in state:");
sb.append(valueOf);
throw new IllegalStateException(sb.toString(), th);
} finally {
this.monitor.leave();
dispatchListenerEvents();
}
}
@Override // com.google.common.util.concurrent.Service
public final boolean isRunning() {
return state() == Service.State.RUNNING;
}
@Override // com.google.common.util.concurrent.Service
public final Service.State state() {
return this.snapshot.externalState();
}
@Override // com.google.common.util.concurrent.Service
public final Throwable failureCause() {
return this.snapshot.failureCause();
}
@Override // com.google.common.util.concurrent.Service
public final void addListener(Service.Listener listener, Executor executor) {
this.listeners.addListener(listener, executor);
}
public String toString() {
String simpleName = getClass().getSimpleName();
String valueOf = String.valueOf(state());
StringBuilder sb = new StringBuilder(String.valueOf(simpleName).length() + 3 + String.valueOf(valueOf).length());
sb.append(simpleName);
sb.append(" [");
sb.append(valueOf);
sb.append("]");
return sb.toString();
}
private void dispatchListenerEvents() {
if (this.monitor.isOccupiedByCurrentThread()) {
return;
}
this.listeners.dispatch();
}
private void enqueueStartingEvent() {
this.listeners.enqueue(STARTING_EVENT);
}
private void enqueueRunningEvent() {
this.listeners.enqueue(RUNNING_EVENT);
}
private void enqueueStoppingEvent(Service.State state) {
if (state == Service.State.STARTING) {
this.listeners.enqueue(STOPPING_FROM_STARTING_EVENT);
} else {
if (state == Service.State.RUNNING) {
this.listeners.enqueue(STOPPING_FROM_RUNNING_EVENT);
return;
}
throw new AssertionError();
}
}
private void enqueueTerminatedEvent(Service.State state) {
switch (AnonymousClass6.$SwitchMap$com$google$common$util$concurrent$Service$State[state.ordinal()]) {
case 1:
this.listeners.enqueue(TERMINATED_FROM_NEW_EVENT);
return;
case 2:
this.listeners.enqueue(TERMINATED_FROM_STARTING_EVENT);
return;
case 3:
this.listeners.enqueue(TERMINATED_FROM_RUNNING_EVENT);
return;
case 4:
this.listeners.enqueue(TERMINATED_FROM_STOPPING_EVENT);
return;
case 5:
case 6:
throw new AssertionError();
default:
return;
}
}
private void enqueueFailedEvent(Service.State state, Throwable th) {
this.listeners.enqueue(new ListenerCallQueue.Event<Service.Listener>(this, state, th) { // from class: com.google.common.util.concurrent.AbstractService.5
final Throwable val$cause;
final Service.State val$from;
{
this.val$from = state;
this.val$cause = th;
}
@Override // com.google.common.util.concurrent.ListenerCallQueue.Event
public void call(Service.Listener listener) {
listener.failed(this.val$from, this.val$cause);
}
public String toString() {
String valueOf = String.valueOf(this.val$from);
String valueOf2 = String.valueOf(this.val$cause);
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 27 + String.valueOf(valueOf2).length());
sb.append("failed({from = ");
sb.append(valueOf);
sb.append(", cause = ");
sb.append(valueOf2);
sb.append("})");
return sb.toString();
}
});
}
/* JADX INFO: Access modifiers changed from: package-private */
/* loaded from: classes2.dex */
public static final class StateSnapshot {
final Throwable failure;
final boolean shutdownWhenStartupFinishes;
final Service.State state;
StateSnapshot(Service.State state) {
this(state, false, null);
}
StateSnapshot(Service.State state, boolean z, Throwable th) {
Preconditions.checkArgument(!z || state == Service.State.STARTING, "shutdownWhenStartupFinishes can only be set if state is STARTING. Got %s instead.", state);
Preconditions.checkArgument(true ^ ((state == Service.State.FAILED) ^ (th != null)), "A failure cause should be set if and only if the state is failed. Got %s and %s instead.", state, th);
this.state = state;
this.shutdownWhenStartupFinishes = z;
this.failure = th;
}
final Service.State externalState() {
return (this.shutdownWhenStartupFinishes && this.state == Service.State.STARTING) ? Service.State.STOPPING : this.state;
}
final Throwable failureCause() {
Preconditions.checkState(this.state == Service.State.FAILED, "failureCause() is only valid if the service has failed, service is %s", this.state);
return this.failure;
}
}
}