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## org.eclipse.gemini.blueprint.service.exporter
Interface OsgiServiceRegistrationListener

    public interface OsgiServiceRegistrationListener

Registration listener that needs notifications of registration and unregistration of OSGi services exported through Spring OSGi. Implementations can throws exceptions if they need/have to but they are not be propagated to other listeners nor do they stop the other listeners from being notified.

Author:
  Costin Leau
See Also:
  `OsgiServiceFactoryBean`

Method Summary
`void` | `registered(Object service, Map serviceProperties)` Called when the the service exported has been registered in the OSGi space.
`void` | `unregistered(Object service, Map serviceProperties)` Called when the OSGi service has been unregistered (removed from OSGi space).

Method Detail

### registered

    void registered(Object service,
                    Map serviceProperties)
                    throws Exception

  Called when the the service exported has been registered in the OSGi space. The service properties are made available as a `Map` which can be safely cast to a `Dictionary` if needed.

  Parameters:
    `service` - object registered as an OSGi service
    `serviceProperties` - OSGi service registration properties
  Throws:
    `Exception` - custom exception that is logged but not propagated to other listeners

### unregistered

    void unregistered(Object service,
                      Map serviceProperties)
                      throws Exception

  Called when the OSGi service has been unregistered (removed from OSGi space). The service properties are made available as a `Map` which can be safely cast to a `Dictionary` if needed.

  Parameters:
    `service` - object unregistered as a service from the OSGi space
    `serviceProperties` - OSGi service registration properties
  Throws:
    `Exception` - custom exception that is logged but not propagated to other listeners

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