Examples of org.infinispan.commands.control.RehashControlCommand

org.infinispan.commands.control.RehashControlCommand
A control command to coordinate rehashes that may occur when nodes join or leave a cluster, when DIST is used as a cache mode. This complex command coordinates the various phases of a rehash event when a joiner joins or a leaver leaves a cluster running in "distribution" mode.
It may break up into several commands in future. @author Manik Surtani @author Vladimir Blagojevic @since 4.0


      Set<Future<Object>> pushFutures = new HashSet<Future<Object>>();
      for (Map.Entry<Address, List<WriteCommand>> entry : state.getState().entrySet()) {
         if (log.isDebugEnabled())
            log.debug("Pushing {0} modifications to {1}", entry.getValue().size(), entry.getKey());
         RehashControlCommand push = cf.buildRehashControlCommandTxLog(self, entry.getValue());
         NotifyingNotifiableFuture<Object> f = new NotifyingFutureImpl(null);
         pushFutures.add(f);
         rpcManager.invokeRemotelyInFuture(Collections.singleton(entry.getKey()), push, true, f,
                  configuration.getRehashRpcTimeout());
      }

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                  }
               }
            }
            break;
         case RehashControlCommand.COMMAND_ID:
            RehashControlCommand rcc = (RehashControlCommand) c;
            rcc.init(distributionManager, configuration, dataContainer, this);
            break;
         default:
            if (trace)
               log.trace("Nothing to initialize for command: " + c);
      }

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   public RehashControlCommand buildRehashControlCommand(RehashControlCommand.Type type, Address sender) {
      return buildRehashControlCommand(type, sender, null, null, null, null);
   }


   public RehashControlCommand buildRehashControlCommandTxLog(Address sender, List<WriteCommand> commands) {
      return new RehashControlCommand(cacheName, DRAIN_TX, sender, commands, null, this);
   }

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   public RehashControlCommand buildRehashControlCommandTxLog(Address sender, List<WriteCommand> commands) {
      return new RehashControlCommand(cacheName, DRAIN_TX, sender, commands, null, this);
   }


   public RehashControlCommand buildRehashControlCommandTxLogPendingPrepares(Address sender, List<PrepareCommand> commands) {
      return new RehashControlCommand(cacheName, DRAIN_TX_PREPARES, sender, null, commands, this);
   }

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   }  
   
   public RehashControlCommand buildRehashControlCommand(RehashControlCommand.Type type,
            Address sender, Map<Object, InternalCacheValue> state, ConsistentHash oldCH,
            ConsistentHash newCH, List<Address> leavers) {
      return new RehashControlCommand(cacheName, type, sender, state, oldCH, newCH, leavers, this);
   }

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         final Address target = entry.getKey();
         Map<Object, InternalCacheValue> state = entry.getValue();
         log.debugf("%s pushing to %s %d keys", self, target, state.size());
         if (trace) log.tracef("Pushed keys %s", self, target, state.keySet());


         final RehashControlCommand cmd = cf.buildRehashControlCommand(RehashControlCommand.Type.APPLY_STATE, self,
                                                                       newViewId, state, chOld, chNew);


         rpcManager.invokeRemotelyInFuture(Collections.singleton(target), cmd,
                                           false, stateTransferFuture, configuration.getRehashRpcTimeout());
      }

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         if (trace)
            log.tracef("Coordinator: sending rehash completed notification for view %d, lastView %d, notifications received: %s", viewId, lastViewId, pushConfirmations);


         // all the nodes are up-to-date, broadcast the rehash completed command
         final RehashControlCommand cmd = cf.buildRehashControlCommand(RehashControlCommand.Type.REHASH_COMPLETED, getSelf(), viewId);


         // all nodes will eventually receive the command, no need to wait here
         rpcManager.broadcastRpcCommand(cmd, false);
         // The broadcast doesn't send the message to the local node
         markRehashCompleted(viewId);

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      if (t.isCoordinator()) {
         if (trace) log.tracef("Node %s is the coordinator, marking push for %d as complete directly", self, viewId);
         markNodePushCompleted(viewId, self);
      } else {
         final RehashControlCommand cmd = cf.buildRehashControlCommand(RehashControlCommand.Type.NODE_PUSH_COMPLETED, self, viewId);
         Address coordinator = rpcManager.getTransport().getCoordinator();


         if (trace) log.tracef("Node %s is not the coordinator, sending request to mark push for %d as complete to %s", self, viewId, coordinator);
         rpcManager.invokeRemotely(Collections.singleton(coordinator), cmd, true);
      }

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               break;
            case ClusteredGetCommand.COMMAND_ID:
               command = new ClusteredGetCommand(cacheName);
               break;
            case RehashControlCommand.COMMAND_ID:
               command = new RehashControlCommand(cacheName, transport);
               break;
            case RemoveCacheCommand.COMMAND_ID:
               command = new RemoveCacheCommand(cacheName, cacheManager, registry);
               break;
            case RemoveRecoveryInfoCommand.COMMAND_ID:

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                  }
               }
            }
            break;
         case RehashControlCommand.COMMAND_ID:
            RehashControlCommand rcc = (RehashControlCommand) c;
            rcc.init(distributionManager, configuration, dataContainer, this);
            break;
         case GetInDoubtTransactionsCommand.COMMAND_ID:
            GetInDoubtTransactionsCommand gptx = (GetInDoubtTransactionsCommand) c;
            gptx.init(recoveryManager);
            break;

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Related Classes of org.infinispan.commands.control.RehashControlCommand

org.infinispan.commands.CommandsFactoryImpl

org.infinispan.commands.RemoteCommandFactory

org.infinispan.commands.RemoteCommandsFactory

org.infinispan.container.entries.InternalCacheEntry

org.infinispan.container.entries.InternalCacheValue

org.infinispan.distribution.ConsistentHash

org.infinispan.distribution.DistributionManagerImpl

org.infinispan.distribution.InvertedLeaveTask

org.infinispan.distribution.JoinTask

org.infinispan.distribution.LeaveTask

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