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ServiceDiscoveryEvent (Apache River v3.0.0 API Documentation)
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net.jini.lookup

Class ServiceDiscoveryEvent

Parameters:
source - an instance of Object corresponding to the instance of LookupCache from which the given event originated.
preEventItem - a ServiceItem reference representing the state of the service (associated with the given event) prior to the occurrence of the event.
postEventItem - a ServiceItem reference representing the state of the service after the occurrence of the event.
Throws:
NullPointerException - if null is passed as the source parameter for the constructor, or if null is passed as both the preEventItem and the postEventItem parameters.
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Copyright 2007-2013, multiple authors.
Licensed under the Apache License, Version 2.0, see the NOTICE file for attributions.