com.google.common.eventbus.AsyncEventBus Maven / Gradle / Ivy
/*
* Copyright (C) 2007 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.common.eventbus;
import com.google.common.annotations.Beta;
import java.util.concurrent.Executor;
/**
* An {@link EventBus} that takes the Executor of your choice and uses it to dispatch events,
* allowing dispatch to occur asynchronously.
*
* @author Cliff Biffle
* @since 10.0
*/
@Beta
public class AsyncEventBus extends EventBus {
/**
* Creates a new AsyncEventBus that will use {@code executor} to dispatch events. Assigns {@code
* identifier} as the bus's name for logging purposes.
*
* @param identifier short name for the bus, for logging purposes.
* @param executor Executor to use to dispatch events. It is the caller's responsibility to shut
* down the executor after the last event has been posted to this event bus.
*/
public AsyncEventBus(String identifier, Executor executor) {
super(identifier, executor, Dispatcher.legacyAsync(), LoggingHandler.INSTANCE);
}
/**
* Creates a new AsyncEventBus that will use {@code executor} to dispatch events.
*
* @param executor Executor to use to dispatch events. It is the caller's responsibility to shut
* down the executor after the last event has been posted to this event bus.
* @param subscriberExceptionHandler Handler used to handle exceptions thrown from subscribers.
* See {@link SubscriberExceptionHandler} for more information.
* @since 16.0
*/
public AsyncEventBus(Executor executor, SubscriberExceptionHandler subscriberExceptionHandler) {
super("default", executor, Dispatcher.legacyAsync(), subscriberExceptionHandler);
}
/**
* Creates a new AsyncEventBus that will use {@code executor} to dispatch events.
*
* @param executor Executor to use to dispatch events. It is the caller's responsibility to shut
* down the executor after the last event has been posted to this event bus.
*/
public AsyncEventBus(Executor executor) {
super("default", executor, Dispatcher.legacyAsync(), LoggingHandler.INSTANCE);
}
}