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 /*
  * 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;
Wraps an event that was posted, but which had no subscribers and thus could not be delivered.

Subscribing a DeadEvent handler is useful for debugging or logging, as it can detect misconfigurations in a system's event distribution.

Author(s):
Cliff Biffle
Since:
10.0
public class DeadEvent {
  private final Object source;
  private final Object event;

  
Creates a new DeadEvent.

Parameters:
source object broadcasting the DeadEvent (generally the EventBus).
event the event that could not be delivered.
  public DeadEvent(Object sourceObject event) {
    this. = source;
    this. = event;
  }

  
Returns the object that originated this event (not the object that originated the wrapped event). This is generally an EventBus.

Returns:
the source of this event.
  public Object getSource() {
    return ;
  }

  
Returns the wrapped, 'dead' event, which the system was unable to deliver to any registered handler.

Returns:
the 'dead' event that could not be delivered.
  public Object getEvent() {
    return ;
  }
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