117 lines
4.1 KiB
Java
117 lines
4.1 KiB
Java
package com.google.firebase.components;
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import com.google.firebase.events.Event;
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import com.google.firebase.events.EventHandler;
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import com.google.firebase.events.Publisher;
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import com.google.firebase.events.Subscriber;
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import java.util.ArrayDeque;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Queue;
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import java.util.Set;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.Executor;
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/* JADX INFO: Access modifiers changed from: package-private */
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/* loaded from: classes3.dex */
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public class EventBus implements Subscriber, Publisher {
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private final Executor defaultExecutor;
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private final Map<Class<?>, ConcurrentHashMap<EventHandler<Object>, Executor>> handlerMap = new HashMap();
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private Queue<Event<?>> pendingEvents = new ArrayDeque();
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public EventBus(Executor executor) {
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this.defaultExecutor = executor;
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}
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private synchronized Set<Map.Entry<EventHandler<Object>, Executor>> getHandlers(Event<?> event) {
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ConcurrentHashMap<EventHandler<Object>, Executor> concurrentHashMap;
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try {
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concurrentHashMap = this.handlerMap.get(event.getType());
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} catch (Throwable th) {
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throw th;
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}
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return concurrentHashMap == null ? Collections.EMPTY_SET : concurrentHashMap.entrySet();
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}
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/* JADX INFO: Access modifiers changed from: private */
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public static /* synthetic */ void lambda$publish$0(Map.Entry entry, Event event) {
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((EventHandler) entry.getKey()).handle(event);
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}
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public void enablePublishingAndFlushPending() {
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Queue<Event<?>> queue;
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synchronized (this) {
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try {
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queue = this.pendingEvents;
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if (queue != null) {
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this.pendingEvents = null;
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} else {
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queue = null;
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}
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} catch (Throwable th) {
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throw th;
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}
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}
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if (queue != null) {
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Iterator<Event<?>> it = queue.iterator();
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while (it.hasNext()) {
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publish(it.next());
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}
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}
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}
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@Override // com.google.firebase.events.Publisher
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public void publish(Event<?> event) {
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Preconditions.checkNotNull(event);
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synchronized (this) {
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try {
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Queue<Event<?>> queue = this.pendingEvents;
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if (queue != null) {
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queue.add(event);
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return;
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}
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for (Map.Entry<EventHandler<Object>, Executor> entry : getHandlers(event)) {
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entry.getValue().execute(new e(2, entry, event));
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}
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} catch (Throwable th) {
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throw th;
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}
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}
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}
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@Override // com.google.firebase.events.Subscriber
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public synchronized <T> void subscribe(Class<T> cls, Executor executor, EventHandler<? super T> eventHandler) {
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try {
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Preconditions.checkNotNull(cls);
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Preconditions.checkNotNull(eventHandler);
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Preconditions.checkNotNull(executor);
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if (!this.handlerMap.containsKey(cls)) {
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this.handlerMap.put(cls, new ConcurrentHashMap<>());
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}
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this.handlerMap.get(cls).put(eventHandler, executor);
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} catch (Throwable th) {
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throw th;
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}
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}
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@Override // com.google.firebase.events.Subscriber
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public synchronized <T> void unsubscribe(Class<T> cls, EventHandler<? super T> eventHandler) {
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Preconditions.checkNotNull(cls);
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Preconditions.checkNotNull(eventHandler);
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if (this.handlerMap.containsKey(cls)) {
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ConcurrentHashMap<EventHandler<Object>, Executor> concurrentHashMap = this.handlerMap.get(cls);
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concurrentHashMap.remove(eventHandler);
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if (concurrentHashMap.isEmpty()) {
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this.handlerMap.remove(cls);
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}
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}
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}
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@Override // com.google.firebase.events.Subscriber
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public <T> void subscribe(Class<T> cls, EventHandler<? super T> eventHandler) {
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subscribe(cls, this.defaultExecutor, eventHandler);
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}
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}
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