org.glowroot.shaded.google.common.eventbus.SubscriberExceptionContext Maven / Gradle / Ivy
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/*
* Copyright (C) 2013 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 org.glowroot.shaded.google.common.eventbus;
import static org.glowroot.shaded.google.common.base.Preconditions.checkNotNull;
import java.lang.reflect.Method;
/**
* Context for an exception thrown by a subscriber.
*
* @since 16.0
*/
public class SubscriberExceptionContext {
private final EventBus eventBus;
private final Object event;
private final Object subscriber;
private final Method subscriberMethod;
/**
* @param eventBus The {@link EventBus} that handled the event and the
* subscriber. Useful for broadcasting a a new event based on the error.
* @param event The event object that caused the subscriber to throw.
* @param subscriber The source subscriber context.
* @param subscriberMethod the subscribed method.
*/
SubscriberExceptionContext(EventBus eventBus, Object event, Object subscriber,
Method subscriberMethod) {
this.eventBus = checkNotNull(eventBus);
this.event = checkNotNull(event);
this.subscriber = checkNotNull(subscriber);
this.subscriberMethod = checkNotNull(subscriberMethod);
}
/**
* @return The {@link EventBus} that handled the event and the subscriber.
* Useful for broadcasting a a new event based on the error.
*/
public EventBus getEventBus() {
return eventBus;
}
/**
* @return The event object that caused the subscriber to throw.
*/
public Object getEvent() {
return event;
}
/**
* @return The object context that the subscriber was called on.
*/
public Object getSubscriber() {
return subscriber;
}
/**
* @return The subscribed method that threw the exception.
*/
public Method getSubscriberMethod() {
return subscriberMethod;
}
}