Interface AnnouncementRegistry

All Known Implementing Classes:
AnnouncementRegistryImpl

public interface AnnouncementRegistry
The announcement registry keeps track of all the announcement that this instance either received by a joined topology connector or that a topology connector inherited from the counterpart (the topology connector servlet)
  • Method Details

    • registerAnnouncement

      long registerAnnouncement(Announcement topologyAnnouncement)
      Register the given announcement - and returns the backoff interval (in seconds) for stable connectors - or -1 if the registration was not successful (likely indicating a loop)
      Returns:
      the backoff interval (in seconds) for stable connectors - or -1 if the registration was not successful (likely indicating a loop)
    • listAnnouncementsInSameCluster

      Collection<Announcement> listAnnouncementsInSameCluster(ClusterView localClusterView)
      list all announcements that were received by instances in the local cluster
    • listLocalAnnouncements

      Collection<Announcement> listLocalAnnouncements()
      list all announcements that were received (incoming or inherited) by this instance
    • listLocalIncomingAnnouncements

      Collection<CachedAnnouncement> listLocalIncomingAnnouncements()
      list all announcements that this instance received (incoming)
    • checkExpiredAnnouncements

      void checkExpiredAnnouncements()
      Check for expired announcements and remove any if applicable
    • listInstances

      Collection<InstanceDescription> listInstances(ClusterView localClusterView)
      Returns the list of instances contained in all non-expired announcements of this registry
    • addAllExcept

      void addAllExcept(Announcement target, ClusterView localClusterView, AnnouncementFilter filter)
      Add all registered announcements to the given target announcement that are accepted by the given filter
    • unregisterAnnouncement

      void unregisterAnnouncement(String ownerId)
      Unregister the announcement owned by the given slingId
    • hasActiveAnnouncement

      boolean hasActiveAnnouncement(String ownerId)
      Whether or not the given owner has an active (ie not expired) announcement registered