Package org.infinispan.container.entries

Examples of org.infinispan.container.entries.MVCCEntry

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         return null;
      }
      //this might happen if the value was fetched from a cache loader
      if (cacheEntry instanceof MVCCEntry) {
         if (trace) log.trace("Handloing an internal cache entry...");
         MVCCEntry mvccEntry = (MVCCEntry) cacheEntry;
         return InternalEntryFactory.createValue(mvccEntry.getValue(), -1, mvccEntry.getLifespan(), -1, mvccEntry.getMaxIdle());
      } else {
         InternalCacheEntry internalCacheEntry = (InternalCacheEntry) cacheEntry;
         return internalCacheEntry.toInternalCacheValue();
      }
   }
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      return visitor.visitPutKeyValueCommand(ctx, this);
   }

   public Object perform(InvocationContext ctx) throws Throwable {
      Object o;
      MVCCEntry e = (MVCCEntry) ctx.lookupEntry(key);
      Object entryValue = e.getValue();
      if (entryValue != null && putIfAbsent && !e.isRemoved()) {
         successful = false;
         return entryValue;
      } else {
         notifier.notifyCacheEntryModified(key, entryValue, true, ctx);

         if (value instanceof Delta) {
            // magic
            Delta dv = (Delta) value;
            DeltaAware toMergeWith = null;
            if (entryValue instanceof DeltaAware) toMergeWith = (DeltaAware) entryValue;
            e.setValue(dv.merge(toMergeWith));
            o = entryValue;
            e.setLifespan(lifespanMillis);
            e.setMaxIdle(maxIdleTimeMillis);
         } else {
            o = e.setValue(value);
            if (e.isRemoved()) {
               e.setRemoved(false);
               e.setValid(true);
               o = null;
            }
            e.setLifespan(lifespanMillis);
            e.setMaxIdle(maxIdleTimeMillis);
         }
         notifier.notifyCacheEntryModified(key, e.getValue(), false, ctx);
      }
      return o;
   }
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   }

   public Object perform(InvocationContext ctx) throws Throwable {
      for (CacheEntry e : ctx.getLookedUpEntries().values()) {
         if (e instanceof MVCCEntry) {
            MVCCEntry me = (MVCCEntry) e;
            Object k = me.getKey(), v = me.getValue();
            notifier.notifyCacheEntryRemoved(k, v, true, ctx);
            me.setRemoved(true);
            me.setValid(false);
            notifier.notifyCacheEntryRemoved(k, null, false, ctx);
         }
      }
      return null;
   }
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   }

   public Object perform(InvocationContext ctx) throws Throwable {
      for (Entry<Object, Object> e : map.entrySet()) {
         Object key = e.getKey();
         MVCCEntry me = lookupMvccEntry(ctx, key);
         notifier.notifyCacheEntryModified(key, me.getValue(), true, ctx);
         me.setValue(e.getValue());
         me.setLifespan(lifespanMillis);
         me.setMaxIdle(maxIdleTimeMillis);
         notifier.notifyCacheEntryModified(key, me.getValue(), false, ctx);
      }
      return null;
   }
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      if (cacheEntry == null) {
         cacheEntry = getFromContainer(key);

         // do not bother wrapping though if this is not in a tx.  repeatable read etc are all meaningless unless there is a tx.
         if (useRepeatableRead) {
            MVCCEntry mvccEntry;
            if (cacheEntry == null) {
               mvccEntry = createWrappedEntry(key, null, null, false, false, -1);
            } else {
               mvccEntry = createWrappedEntry(key, cacheEntry.getValue(), cacheEntry.getVersion(), false, false, cacheEntry.getLifespan());
               // If the original entry has changeable state, copy state flags to the new MVCC entry.
               if (cacheEntry instanceof StateChangingEntry && mvccEntry != null)
                  mvccEntry.copyStateFlagsFrom((StateChangingEntry) cacheEntry);
            }

            if (mvccEntry != null) ctx.putLookedUpEntry(key, mvccEntry);
            return mvccEntry;
         } else if (cacheEntry != null) { // if not in transaction and repeatable read, or simply read committed (regardless of whether in TX or not), do not wrap
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      return wrapEntry(ctx, key);
   }

   @Override
   public final  MVCCEntry wrapEntryForReplace(InvocationContext ctx, Object key) throws InterruptedException {
      MVCCEntry mvccEntry = wrapEntry(ctx, key);
      if (mvccEntry == null) {
         // make sure we record this! Null value since this is a forced lock on the key
         ctx.putLookedUpEntry(key, null);
      }
      return mvccEntry;
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   }

   @Override
   public final  MVCCEntry wrapEntryForRemove(InvocationContext ctx, Object key) throws InterruptedException {
      CacheEntry cacheEntry = getFromContext(ctx, key);
      MVCCEntry mvccEntry = null;
      if (cacheEntry != null) {
         if (cacheEntry instanceof MVCCEntry && !(cacheEntry instanceof NullMarkerEntry)) {
            mvccEntry = (MVCCEntry) cacheEntry;
         } else {
            mvccEntry = wrapMvccEntryForRemove(ctx, key, cacheEntry);
         }
      } else {
         InternalCacheEntry ice = getFromContainer(key);
         if (ice != null) {
            mvccEntry = wrapInternalCacheEntryForPut(ctx, key, ice);
            mvccEntry.setRemoved(true);
         }
      }
      if (mvccEntry == null) {
         // make sure we record this! Null value since this is a forced lock on the key
         ctx.putLookedUpEntry(key, null);
      } else {
         mvccEntry.copyForUpdate(container, localModeWriteSkewCheck);
      }
      return mvccEntry;
   }
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   @Override
   public final MVCCEntry wrapEntryForPut(InvocationContext ctx, Object key, InternalCacheEntry icEntry,
         boolean undeleteIfNeeded, FlagAffectedCommand cmd) throws InterruptedException {
      CacheEntry cacheEntry = getFromContext(ctx, key);
      MVCCEntry mvccEntry;
      if (cacheEntry != null && cacheEntry.isNull()) cacheEntry = null;
      if (cacheEntry != null) {
         mvccEntry = wrapMvccEntryForPut(ctx, key, cacheEntry);
         mvccEntry.undelete(undeleteIfNeeded);
      } else {
         InternalCacheEntry ice = (icEntry == null ? getFromContainer(key) : icEntry);
         // A putForExternalRead is putIfAbsent, so if key present, do nothing
         if (ice != null && cmd.hasFlag(Flag.PUT_FOR_EXTERNAL_READ)) {
            // make sure we record this! Null value since this is a forced lock on the key
            ctx.putLookedUpEntry(key, null);
            return null;
         }

         mvccEntry = ice != null ?
             wrapInternalCacheEntryForPut(ctx, key, ice) :
             newMvccEntryForPut(ctx, key, cmd);
      }
      mvccEntry.copyForUpdate(container, localModeWriteSkewCheck);
      return mvccEntry;
   }
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      return ice;
   }

   private MVCCEntry newMvccEntryForPut(
         InvocationContext ctx, Object key, FlagAffectedCommand cmd) {
      MVCCEntry mvccEntry;
      if (trace) log.trace("Creating new entry.");
      notifier.notifyCacheEntryCreated(key, null, true, ctx, cmd);
      mvccEntry = createWrappedEntry(key, null, null, true, false, -1);
      mvccEntry.setCreated(true);
      ctx.putLookedUpEntry(key, mvccEntry);
      return mvccEntry;
   }
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      if (cacheEntry instanceof MVCCEntry) return (MVCCEntry) cacheEntry;
      return wrapInternalCacheEntryForPut(ctx, key, (InternalCacheEntry) cacheEntry);
   }

   private MVCCEntry wrapInternalCacheEntryForPut(InvocationContext ctx, Object key, InternalCacheEntry cacheEntry) {
      MVCCEntry mvccEntry = createWrappedEntry(key, cacheEntry.getValue(), cacheEntry.getVersion(), false, false, cacheEntry.getLifespan());
      ctx.putLookedUpEntry(key, mvccEntry);
      return mvccEntry;
   }
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Related Classes of org.infinispan.container.entries.MVCCEntry

  • org.infinispan.commands.remote.ClusteredGetCommand
  • org.infinispan.commands.write.ClearCommand
  • org.infinispan.commands.write.PutKeyValueCommand
  • org.infinispan.commands.write.PutMapCommand
  • org.infinispan.commands.write.RemoveCommand
  • org.infinispan.commands.write.ReplaceCommand
  • org.infinispan.commands.write.VersionedPutKeyValueCommand
  • org.infinispan.commands.write.VersionedReplaceCommand
  • org.infinispan.container.EntryFactoryImpl
  • org.infinispan.factories.EntryFactoryImpl
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