# Hierarchy For Package org.apache.sling.discovery.base.commons

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.sling.discovery.base.commons.BaseDiscoveryService (implements org.apache.sling.discovery.DiscoveryService)
  - org.apache.sling.discovery.commons.providers.BaseTopologyView (implements org.apache.sling.discovery.TopologyView)
    - org.apache.sling.discovery.base.commons.DefaultTopologyView
  - org.apache.sling.discovery.base.commons.BaseViewChecker (implements java.lang.Runnable, org.apache.sling.discovery.base.commons.ViewChecker)
  - org.apache.sling.discovery.base.commons.ClusterViewHelper
  - org.apache.sling.discovery.base.commons.PeriodicBackgroundJob (implements java.lang.Runnable)
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - org.apache.sling.discovery.base.commons.UndefinedClusterViewException

## Interface Hierarchy

- org.apache.sling.discovery.base.commons.ClusterViewService
- org.apache.sling.discovery.base.commons.ViewChecker

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.sling.discovery.base.commons.UndefinedClusterViewException.Reason