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DeadEvent (Guava: Google Core Libraries for Java 11.0.1 API)
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com.google.common.eventbus
Class DeadEvent
java.lang.Object
com.google.common.eventbus.DeadEvent
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.
- Since:
- 10.0
- Author:
- Cliff Biffle
Constructor Summary | |
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DeadEvent(Object source,
Object event)
Creates a new DeadEvent. |
Method Summary | |
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Object |
getEvent()
Returns the wrapped, 'dead' event, which the system was unable to deliver to any registered handler. |
Object |
getSource()
Returns the object that originated this event (not the object that originated the wrapped event). |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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DeadEvent
public DeadEvent(Object source, Object event)
- Creates a new DeadEvent.
- Parameters:
source
- object broadcasting the DeadEvent (generally theEventBus
).event
- the event that could not be delivered.
Method Detail |
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getSource
public Object getSource()
- 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.
getEvent
public Object getEvent()
- 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.
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