Examples of org.jgroups.MergeView

org.jgroups.MergeView
A view that is sent as a result of a cluster merge. Whenever a group splits into subgroups, e.g., due to a network partition, and later the subgroups merge back together, a MergeView instead of a View will be received by the application. The MergeView class is a subclass of View and contains as additional instance variable: the list of views that were merged. For example, if the group denoted by view V1:(p,q,r,s,t) splits into subgroups V2:(p,q,r) and V2:(s,t), the merged view might be V3:(p,q,r,s,t). In this case the MergeView would contain a list of 2 views: V2:(p,q,r) and V2:(s,t). @since 2.0 @author Bela Ban


   private class NotifyMerge implements Notify {


      @Override
      public void emitNotification(List<Address> oldMembers, View newView) {
         MergeView mv = (MergeView) newView;


         final Address address = getAddress();
         final int viewId = (int) newView.getVid().getId();
         notifier.notifyMerge(members, oldMembers, address, viewId, getSubgroups(mv.getSubgroups()));
      }

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   private class NotifyMerge implements Notify {


      @Override
      public void emitNotification(List<Address> oldMembers, View newView) {
         MergeView mv = (MergeView) newView;


         final Address address = getAddress();
         final int viewId = (int) newView.getVid().getId();
         notifier.notifyMerge(members, oldMembers, address, viewId, getSubgroups(mv.getSubgroups()));
      }

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         event.newMembers = this.getNewMembers(oldMembers, event.allMembers);
         event.originatingGroups = null;
         // if the new view occurs because of a merge, we first inform listeners of the merge
         if(newView instanceof MergeView)
         {
            MergeView mergeView = (MergeView) newView;
            event.originatingGroups = mergeView.getSubgroups();
         }


         this.log.debug("membership changed from " + oldMembers.size() + " to " + event.allMembers.size());
         // Put the view change to the asynch queue
         this.asynchHandler.queueEvent(event);

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   private class NotifyMerge implements Notify {


      @Override
      public void emitNotification(List<Address> oldMembers, View newView) {
         MergeView mv = (MergeView) newView;


         final Address address = getAddress();
         final int viewId = (int) newView.getVid().getId();
         notifier.notifyMerge(members, oldMembers, address, viewId, getSubgroups(mv.getSubgroups()));
      }

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