# Uses of Package
org.apache.sling.discovery

Classes in org.apache.sling.discovery used by org.apache.sling.discovery
Class
Description
ClusterView
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.
InstanceDescription
An InstanceDescription represents and contains information about an instance that is part of a TopologyView.
InstanceFilter
Used to filter InstanceDescriptions in a TopologyView.
TopologyEvent
A topology event is sent whenever a change in the topology occurs.
TopologyEvent.Type
TopologyView
A topology view is a cross-cluster list of instances and clusters that have announced themselves with the DiscoveryService.