Package org.osgi.framework.hooks.service
Interface EventListenerHook
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@ConsumerType public interface EventListenerHook
OSGi Framework Service Event Listener Hook Service.Bundles registering this service will be called during framework service (register, modify, and unregister service) operations.
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- 1.1
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
event(ServiceEvent event, Map<BundleContext,Collection<ListenerHook.ListenerInfo>> listeners)
Event listener hook method.
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Method Detail
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event
void event(ServiceEvent event, Map<BundleContext,Collection<ListenerHook.ListenerInfo>> listeners)
Event listener hook method. This method is called prior to service event delivery when a publishing bundle registers, modifies or unregisters a service. This method can filter the listeners which receive the event.- Parameters:
event
- The service event to be delivered.listeners
- A map of Bundle Contexts to a collection of Listener Infos for the bundle's listeners to which the specified event will be delivered. The implementation of this method may remove bundle contexts from the map and listener infos from the collection values to prevent the event from being delivered to the associated listeners. The map supports all the optionalMap
operations exceptput
andputAll
. Attempting to add to the map will result in anUnsupportedOperationException
. The collection values in the map supports all the optionalCollection
operations exceptadd
andaddAll
. Attempting to add to a collection will result in anUnsupportedOperationException
. The map and the collections are not synchronized.
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