Examples of org.infinispan.distribution.ch.ConsistentHashFactory.updateMembers()

Class org.infinispan.distribution.ch.ConsistentHashFactory

Examples of org.infinispan.distribution.ch.ConsistentHashFactory.updateMembers()

org.infinispan.distribution.ch.ConsistentHashFactory.updateMembers()
Create a new consistent hash instance, based on an existing instance, but with a new list of members.
This method will not assign any new owners, so it will not require a state transfer. The only exception is if a segment doesn't have any owners in the new members list - but there isn't anyone to transfer that segment from, so that won't require a state transfer either. @param baseCH An existing consistent hash instance, should not be {@code null} @param newMembers A list of addresses representing the new cache members. @return A new {@link ConsistentHash} instance, or {@code baseCH} if the existing instancedoes not need any changes.

            CacheTopology newTopology = new CacheTopology(topologyId + 1, null, null);
            cacheStatus.updateCacheTopology(newTopology);
            log.tracef("Initial topology installed for cache %s: %s", cacheName, newTopology);
            return false;
         }
         ConsistentHash newCurrentCH = consistentHashFactory.updateMembers(currentCH, newCurrentMembers);
         ConsistentHash newPendingCH = null;
         if (pendingCH != null) {
            List<Address> newPendingMembers = cacheStatus.pruneInvalidMembers(pendingCH.getMembers());
            newPendingCH = consistentHashFactory.updateMembers(pendingCH, newPendingMembers);
         }

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         }
         ConsistentHash newCurrentCH = consistentHashFactory.updateMembers(currentCH, newCurrentMembers);
         ConsistentHash newPendingCH = null;
         if (pendingCH != null) {
            List<Address> newPendingMembers = cacheStatus.pruneInvalidMembers(pendingCH.getMembers());
            newPendingCH = consistentHashFactory.updateMembers(pendingCH, newPendingMembers);
         }
         CacheTopology newTopology = new CacheTopology(topologyId, newCurrentCH, newPendingCH);
         cacheStatus.updateCacheTopology(newTopology);
         log.tracef("Cache %s topology updated: %s", cacheName, newTopology);
         return true;

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         if (members.isEmpty()) {
            log.tracef("Cache %s has no members left, skipping topology update", cacheName);
            return;
         }
         if (currentCHUnion != null) {
            currentCHUnion = chFactory.updateMembers(currentCHUnion, members, cacheStatus.getCapacityFactors());
         }


         // Make sure the topology id is higher than any topology id we had before in the cluster
         unionTopologyId += 2;
         CacheTopology cacheTopology = new CacheTopology(unionTopologyId, currentCHUnion, null);

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            return;
         }


         ConsistentHashFactory chFactory = cacheStatus.getJoinInfo().getConsistentHashFactory();
         // This update will only add the joiners to the CH, we have already checked that we don't have leavers
         ConsistentHash updatedMembersCH = chFactory.updateMembers(currentCH, newMembers, cacheStatus.getCapacityFactors());
         ConsistentHash balancedCH = chFactory.rebalance(updatedMembersCH);
         if (balancedCH.equals(currentCH)) {
            log.tracef("The balanced CH is the same as the current CH, not rebalancing");
            return;
         }

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            CacheTopology newTopology = new CacheTopology(topologyId + 1, null, null);
            cacheStatus.updateCacheTopology(newTopology);
            log.tracef("Initial topology installed for cache %s: %s", cacheName, newTopology);
            return false;
         }
         ConsistentHash newCurrentCH = consistentHashFactory.updateMembers(currentCH, newCurrentMembers, cacheStatus.getCapacityFactors());
         ConsistentHash newPendingCH = null;
         if (pendingCH != null) {
            List<Address> newPendingMembers = cacheStatus.pruneInvalidMembers(pendingCH.getMembers());
            newPendingCH = consistentHashFactory.updateMembers(pendingCH, newPendingMembers, cacheStatus.getCapacityFactors());
         }

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         }
         ConsistentHash newCurrentCH = consistentHashFactory.updateMembers(currentCH, newCurrentMembers, cacheStatus.getCapacityFactors());
         ConsistentHash newPendingCH = null;
         if (pendingCH != null) {
            List<Address> newPendingMembers = cacheStatus.pruneInvalidMembers(pendingCH.getMembers());
            newPendingCH = consistentHashFactory.updateMembers(pendingCH, newPendingMembers, cacheStatus.getCapacityFactors());
         }
         CacheTopology newTopology = new CacheTopology(topologyId + 1, newCurrentCH, newPendingCH);
         cacheStatus.updateCacheTopology(newTopology);
         log.tracef("Cache %s topology updated: %s", cacheName, newTopology);
         newTopology.logRoutingTableInformation();

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      }


      // We have added each node to the cache status when we received its status response
      List<Address> members = cacheStatus.getMembers();
      if (currentCHUnion != null) {
         currentCHUnion = chFactory.updateMembers(currentCHUnion, members);
      }
      if (pendingCHUnion != null) {
         pendingCHUnion = chFactory.updateMembers(pendingCHUnion, members);
      }

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      List<Address> members = cacheStatus.getMembers();
      if (currentCHUnion != null) {
         currentCHUnion = chFactory.updateMembers(currentCHUnion, members);
      }
      if (pendingCHUnion != null) {
         pendingCHUnion = chFactory.updateMembers(pendingCHUnion, members);
      }


      // Make sure the topology id is higher than any topology id we had before in the cluster
      unionTopologyId += 2;
      CacheTopology cacheTopology = new CacheTopology(unionTopologyId, currentCHUnion, pendingCHUnion);

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            return;
         }


         ConsistentHashFactory chFactory = cacheStatus.getJoinInfo().getConsistentHashFactory();
         // This update will only add the joiners to the CH, we have already checked that we don't have leavers
         ConsistentHash updatedMembersCH = chFactory.updateMembers(currentCH, newMembers);
         ConsistentHash balancedCH = chFactory.rebalance(updatedMembersCH);
         if (balancedCH.equals(currentCH)) {
            log.tracef("The balanced CH is the same as the current CH, not rebalancing");
            return;
         }

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            CacheTopology newTopology = new CacheTopology(topologyId + 1, null, null);
            cacheStatus.updateCacheTopology(newTopology);
            log.tracef("Initial topology installed for cache %s: %s", cacheName, newTopology);
            return false;
         }
         ConsistentHash newCurrentCH = consistentHashFactory.updateMembers(currentCH, newCurrentMembers);
         ConsistentHash newPendingCH = null;
         if (pendingCH != null) {
            List<Address> newPendingMembers = cacheStatus.pruneInvalidMembers(pendingCH.getMembers());
            newPendingCH = consistentHashFactory.updateMembers(pendingCH, newPendingMembers);
         }

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