Package org.apache.sling.discovery


@Version("1.0.3") package org.apache.sling.discovery
Provides a service to interface which may be implemented by applications to get notified on cluster topology changes.
Version:
1.0
  • Class
    Description
    A ClusterView represents the instances of a cluster that are up and running and that all can see each other at a certain point in time.
    The discovery service can be used to get the current topology view.
    An InstanceDescription represents and contains information about an instance that is part of a TopologyView.
    Used to filter InstanceDescriptions in a TopologyView.
    The PropertyProvider service interface may be implemented by components that wish to define properties on the local instance which then are broadcast to the TopologyView instances.
    A topology event is sent whenever a change in the topology occurs.
     
    The TopologyEventListener service interface may be implemented by components interested in being made aware of changes in the topology.
    A topology view is a cross-cluster list of instances and clusters that have announced themselves with the DiscoveryService.