Examples of org.infinispan.distribution.ch.ConsistentHash.locate()

Class org.infinispan.distribution.ch.ConsistentHash

Examples of org.infinispan.distribution.ch.ConsistentHash.locate()

org.infinispan.distribution.ch.ConsistentHash.locate()
Locates a key, given a replication count (number of copies). @param key key to locate @param replCount replication count (number of copies) @return a list of addresses where the key resides, where this list is a subset of the addresses set in {@link #setCaches(java.util.Set)}. Should never be null, and should contain replCount elements or the max number of caches available, whichever is smaller.

         if (!joiners.isEmpty()) {
            // roll back local transactions if their main data owner has changed
            if (configuration.isEagerLockingSingleNodeInUse()) {
               for (LocalTransaction localTx : localTransactions.values()) {
                  for (Object k : localTx.getAffectedKeys()) {
                     Address newMainOwner = chNew.locate(k, 1).get(0);
                     if (joiners.contains(newMainOwner)) {
                        localTx.markForRollback(true);
                        if (trace) log.tracef("Marked local transaction for rollback, as the main data " +
                                                   "owner has changed %s", localTx);
                        break;

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         if (!joiners.isEmpty()) {
            // roll back local transactions if their main data owner has changed
            if (configuration.isEagerLockingSingleNodeInUse()) {
               for (LocalTransaction localTx : localTransactions.values()) {
                  for (Object k : localTx.getAffectedKeys()) {
                     Address newMainOwner = chNew.locate(k, 1).get(0);
                     if (joiners.contains(newMainOwner)) {
                        localTx.markForRollback(true);
                        if (trace) log.tracef("Marked local transaction for rollback, as the main data " +
                                                   "owner has changed %s", localTx);
                        break;

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            log.tracef("Cleaning local transactions with stale eager single node locks");
            // roll back local transactions if their main data owner has changed
            for (LocalTransaction localTx : localTransactions.values()) {
               for (Object key : localTx.getAffectedKeys()) {
                  List<Address> oldPrimaryOwner = chOld.locate(key, 1);
                  List<Address> newPrimaryOwner = chNew.locate(key, 1);
                  if (!oldPrimaryOwner.get(0).equals(newPrimaryOwner.get(0))) {
                     localTx.markForRollback(true);
                     log.tracef("Marked local transaction %sfor rollback, as the main data " +
                           "owner has changed from %s to %s", localTx.getGlobalTransaction(),
                           oldPrimaryOwner, newPrimaryOwner);

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   }


   private Address getAddressForKey(Object key) {
      DistributionManager distributionManager = getDistributionManager();
      ConsistentHash hash = distributionManager.getConsistentHash();
      List<Address> addressList = hash.locate(key, 1);
      if (addressList.size() == 0) {
         throw new IllegalStateException("Empty address list returned by consistent hash " + hash + " for key " + key);
      }
      return addressList.get(0);
   }

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   }


   private Address getAddressForKey(Object key) {
      DistributionManager distributionManager = getDistributionManager();
      ConsistentHash hash = distributionManager.getConsistentHash();
      List<Address> addressList = hash.locate(key, 1);
      if (addressList.size() == 0) {
         throw new IllegalStateException("Empty address list returned by consistent hash " + hash + " for key " + key);
      }
      return addressList.get(0);
   }

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            log.tracef("Cleaning local transactions with stale eager single node locks");
            // roll back local transactions if their main data owner has changed
            for (LocalTransaction localTx : localTransactions.values()) {
               for (Object key : localTx.getAffectedKeys()) {
                  List<Address> oldPrimaryOwner = chOld.locate(key, 1);
                  List<Address> newPrimaryOwner = chNew.locate(key, 1);
                  if (!oldPrimaryOwner.get(0).equals(newPrimaryOwner.get(0))) {
                     localTx.markForRollback(true);
                     log.tracef("Marked local transaction %sfor rollback, as the main data " +
                           "owner has changed from %s to %s", localTx.getGlobalTransaction(),
                           oldPrimaryOwner, newPrimaryOwner);

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