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## net.jini.discovery
Interface DiscoveryChangeListener

All Superinterfaces:
  DiscoveryListener, EventListener

public interface DiscoveryChangeListener
extends DiscoveryListener

This interface must be implemented by entities that wish to receive notification of the following events.

- discovery of new lookup services
- re-discovery of previously discovered but discarded lookup services
- discard of previously discovered lookup services
- changes in the member groups of previously discovered lookup services

  See Also:
    `DiscoveryListener`, `DiscoveryEvent`, `LookupDiscovery`

  Method Summary
  `void` | `changed(DiscoveryEvent e)` Called when changes are detected in the discovery state of one or more of the previously discovered lookup services; in particular, when changes occur in the member groups to which those lookup services belong.

  Methods inherited from interface net.jini.discovery.DiscoveryListener
  `discarded, discovered`

  Method Detail

  ### changed

      public void changed(DiscoveryEvent e)

    Called when changes are detected in the discovery state of one or more of the previously discovered lookup services; in particular, when changes occur in the member groups to which those lookup services belong. Note that implementations of this method should return quickly; e.g., such implementations should never make remote invocations.

    Parameters:
      `e` - instance of `net.jini.discovery.DiscoveryEvent` representing the event that describes the lookup services whose discovery state has changed

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  Copyright © 2004 Sun Microsystems, Inc. All rights reserved