Package org.infinispan.container.versioning

Examples of org.infinispan.container.versioning.EntryVersionsMap

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                                                                            DataContainer dataContainer,
                                                                            PersistenceManager persistenceManager,
                                                                            VersionGenerator versionGenerator,
                                                                            TxInvocationContext context,
                                                                            KeySpecificLogic ksl, TimeService timeService) {
      EntryVersionsMap uv = new EntryVersionsMap();
      for (WriteCommand c : prepareCommand.getModifications()) {
         for (Object k : c.getAffectedKeys()) {
            if (ksl.performCheckOnKey(k)) {
               ClusteredRepeatableReadEntry entry = (ClusteredRepeatableReadEntry) context.lookupEntry(k);

               if (entry.performWriteSkewCheck(dataContainer, persistenceManager, context,
                                               prepareCommand.getVersionsSeen().get(k), versionGenerator, timeService)) {
                  IncrementableEntryVersion newVersion = entry.isCreated()
                        ? versionGenerator.generateNew()
                        : versionGenerator.increment((IncrementableEntryVersion) entry.getMetadata().version());
                  uv.put(k, newVersion);
               } else {
                  // Write skew check detected!
                  throw new WriteSkewException("Write skew detected on key " + k + " for transaction " +
                                                     context.getTransaction(), k);
               }
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                                                                                      PersistenceManager persistenceManager,
                                                                                      VersionGenerator versionGenerator,
                                                                                      TxInvocationContext context,
                                                                                      KeySpecificLogic ksl,
                                                                                      TimeService timeService) {
      EntryVersionsMap uv = new EntryVersionsMap();
      for (WriteCommand c : prepareCommand.getModifications()) {
         for (Object k : c.getAffectedKeys()) {
            if (ksl.performCheckOnKey(k)) {
               ClusteredRepeatableReadEntry entry = (ClusteredRepeatableReadEntry) context.lookupEntry(k);

               if (entry.performWriteSkewCheck(dataContainer, persistenceManager, context,
                                               prepareCommand.getVersionsSeen().get(k), versionGenerator, timeService)) {
                  //in total order, it does not care about the version returned. It just need the keys validated
                  uv.put(k, null);
               } else {
                  // Write skew check detected!
                  throw new WriteSkewException("Write skew detected on key " + k + " for transaction " +
                                                     context.getTransaction(), k);
               }
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      CacheEntry entry = ctx.lookupEntry(key);
      if (entry instanceof InternalCacheEntry) {
         return ((InternalCacheEntry) entry).toInternalCacheValue();
      } else {
         if (ctx.isInTxScope()) {
            EntryVersionsMap updatedVersions =
                  ((TxInvocationContext) ctx).getCacheTransaction().getUpdatedEntryVersions();
            if (updatedVersions != null) {
               EntryVersion version = updatedVersions.get(entry.getKey());
               if (version != null) {
                  Metadata metadata = entry.getMetadata();
                  if (metadata == null) {
                     // If no metadata passed, assumed embedded metadata
                     metadata = new EmbeddedMetadata.Builder()
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      if (txInvocationContext.isOriginLocal()) {
         final CacheTransaction cacheTransaction = txInvocationContext.getCacheTransaction();
         for (Response response : responseMap.values()) {
            if (response != null && response.isSuccessful()) {
               SuccessfulResponse sr = (SuccessfulResponse) response;
               EntryVersionsMap uv = (EntryVersionsMap) sr.getResponseValue();
               if (uv != null) {
                  cacheTransaction.setUpdatedEntryVersions(uv.merge(cacheTransaction.getUpdatedEntryVersions()));
               }
            }
         }
         return localResult;
      } else {
         EntryVersionsMap mergeResult = localResult instanceof EntryVersionsMap ? (EntryVersionsMap) localResult :
               new EntryVersionsMap();
         for (Response response : responseMap.values()) {
            if (response != null && response.isSuccessful()) {
               SuccessfulResponse sr = (SuccessfulResponse) response;
               EntryVersionsMap uv = (EntryVersionsMap) sr.getResponseValue();
               if (uv != null) {
                  mergeResult = mergeResult.merge(uv);
               }
            }
         }
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   public Object visitPrepareCommand(TxInvocationContext ctx, PrepareCommand command) throws Throwable {
      if (ctx.isOriginLocal()) {
         ((VersionedPrepareCommand) command).setVersionsSeen(ctx.getCacheTransaction().getVersionsRead());
      }
      wrapEntriesForPrepare(ctx, command);
      EntryVersionsMap newVersionData= null;
      if (ctx.isOriginLocal() && !ctx.getCacheTransaction().isFromStateTransfer()) newVersionData = cdl.createNewVersionsAndCheckForWriteSkews(versionGenerator, ctx, (VersionedPrepareCommand) command);

      Object retval = invokeNextInterceptor(ctx, command);

      if (!ctx.isOriginLocal()) newVersionData = cdl.createNewVersionsAndCheckForWriteSkews(versionGenerator, ctx, (VersionedPrepareCommand) command);
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                                                                                VersionedPrepareCommand prepareCommand) {
         if (context.isOriginLocal()) {
            throw new IllegalStateException("This must not be reached");
         }

         EntryVersionsMap updatedVersionMap = new EntryVersionsMap();

         if (!((TotalOrderPrepareCommand) prepareCommand).skipWriteSkewCheck()) {
            updatedVersionMap = performTotalOrderWriteSkewCheckAndReturnNewVersions(prepareCommand, dataContainer,
                                                                                    persistenceManager, versionGenerator,
                                                                                    context, keySpecificLogic, timeService);
         }

         for (WriteCommand c : prepareCommand.getModifications()) {
            for (Object k : c.getAffectedKeys()) {
               if (keySpecificLogic.performCheckOnKey(k)) {
                  if (!updatedVersionMap.containsKey(k)) {
                     updatedVersionMap.put(k, null);
                  }
               }
            }
         }
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      }

      private EntryVersionsMap clusteredCreateNewVersionsAndCheckForWriteSkews(VersionGenerator versionGenerator, TxInvocationContext context,
                                                                               VersionedPrepareCommand prepareCommand) {
         // Perform a write skew check on mapped entries.
         EntryVersionsMap uv = performWriteSkewCheckAndReturnNewVersions(prepareCommand, dataContainer,
                                                                         persistenceManager, versionGenerator, context,
                                                                         keySpecificLogic, timeService);

         CacheTransaction cacheTransaction = context.getCacheTransaction();
         EntryVersionsMap uvOld = cacheTransaction.getUpdatedEntryVersions();
         if (uvOld != null && !uvOld.isEmpty()) {
            uvOld.putAll(uv);
            uv = uvOld;
         }
         cacheTransaction.setUpdatedEntryVersions(uv);
         return (uv.isEmpty()) ? null : uv;
      }
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   public void addVersionRead(Object key, EntryVersion version) {
      if (version == null) {
         return;
      }
      if (versionsSeenMap == null) {
         versionsSeenMap = new EntryVersionsMap();
      }
      if (!versionsSeenMap.containsKey(key)) {
         if (log.isTraceEnabled()) {
            log.tracef("Transaction %s read %s with version %s", getGlobalTransaction().globalId(), key, version);
         }
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   public void replaceVersionRead(Object key, EntryVersion version) {
      if (version == null) {
         return;
      }
      if (versionsSeenMap == null) {
         versionsSeenMap = new EntryVersionsMap();
      }
      EntryVersion oldVersion = versionsSeenMap.put(key, (IncrementableEntryVersion) version);
      if (log.isTraceEnabled()) {
         log.tracef("Transaction %s replaced version for key %s. old=%s, new=%s", getGlobalTransaction().globalId(), key,
                    oldVersion, version);
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      }
   }

   @Override
   public EntryVersionsMap getVersionsRead() {
      return versionsSeenMap == null ? new EntryVersionsMap() : versionsSeenMap;
   }
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Related Classes of org.infinispan.container.versioning.EntryVersionsMap

  • org.infinispan.interceptors.CacheStoreInterceptor
  • org.infinispan.interceptors.CacheWriterInterceptor
  • org.infinispan.interceptors.locking.ClusteringDependentLogic$AbstractClusteringDependentLogic
  • org.infinispan.interceptors.locking.ClusteringDependentLogic$AllNodesLogic
  • org.infinispan.interceptors.locking.ClusteringDependentLogic$DistributionLogic
  • org.infinispan.interceptors.locking.ClusteringDependentLogic$InvalidationLogic
  • org.infinispan.interceptors.totalorder.TotalOrderVersionedEntryWrappingInterceptor
  • org.infinispan.interceptors.VersionedDistributionInterceptor
  • org.infinispan.interceptors.VersionedEntryWrappingInterceptor
  • org.infinispan.interceptors.VersionedReplicationInterceptor
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