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@Retention(value=RUNTIME) @Target(value=METHOD) public @interface EventHandler
Annotation identifying an event handler method. This annotation allows a
class to subscribe to multiple types of events by implementing multiple event
handling methods and annotating each with @EventHandler.
Note to developers: This annotation serves exactly the same purpose as
EventBus's EventSubscriber
annotation, recapitulating a subset of the same functionality. We do this to
avoid third party code depending directly on EventBus. That is, we do not
wish to require SciJava developers to import org.bushe.swing.event.*
or similar. In this way, EventBus is isolated as only a transitive dependency
of downstream code, rather than a direct dependency. Unfortunately, because
Java annotation interfaces cannot utilize inheritance, we have to
recapitulate the functionality rather than extend it (as we are able to do
with EventSubscriber).
EventService
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