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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         allViews.add(v1);
         allViews.add(v2);


//         log.trace("Before installing new view: " + viewMembers);
//         System.out.println("Before installing new view: " + viewMembers);
         MergeView mv = new MergeView(view1.get(0).getAddress(), (long)viewId.incrementAndGet(), allAddresses, allViews);
         for (Channel c : channels)
            ((GMS) c.getProtocolStack().findProtocol(GMS.class)).installView(mv);
         return allMembers;
      }

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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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      }
   }


   private boolean needsToRejoin(View v) {
      if (v instanceof MergeView) {
         MergeView mv = (MergeView) v;
         org.jgroups.Address coord = v.getMembers().get(0);
         View winningPartition = null;
         for (View p : mv.getSubgroups()) {
            if (p.getMembers().get(0).equals(coord)) {
               winningPartition = p;
               break;
            }
         }

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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();
         final boolean needsRejoin = needsToRejoin(newView);
         
         notifier.notifyMerge(members, oldMembers, address, viewId, needsRejoin, getSubgroups(mv.getSubgroups()));
         notifier.notifyViewChange(members, oldMembers, address, viewId, needsRejoin, true);
      }

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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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   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 boolean needsToRejoin(View v) {
      if (v instanceof MergeView) {
         MergeView mv = (MergeView) v;
         org.jgroups.Address coord = v.getMembers().get(0);
         View winningPartition = null;
         for (View p : mv.getSubgroups()) {
            if (p.getMembers().get(0).equals(coord)) {
               winningPartition = p;
               break;
            }
         }

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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();
         final boolean needsRejoin = needsToRejoin(newView);
         
         notifier.notifyMerge(members, oldMembers, address, viewId, needsRejoin, getSubgroups(mv.getSubgroups()));
         notifier.notifyViewChange(members, oldMembers, address, viewId, needsRejoin);
      }

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   }


   private boolean needsToRejoin(View v) {
      if (v instanceof MergeView) {
         MergeView mv = (MergeView) v;
         org.jgroups.Address coord = v.getMembers().get(0);
         View winningPartition = null;
         for (View p : mv.getSubgroups()) {
            if (p.getMembers().get(0).equals(coord)) {
               winningPartition = p;
               break;
            }
         }

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org.infinispan.remoting.transport.jgroups.JGroupsTransport$NotifyMerge

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