Package org.infinispan.container.entries

Examples of org.infinispan.container.entries.CacheEntry

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      this.lockManager = lockManager;
      this.cdl = cdl;
   }

   protected boolean needsRemoteGet(InvocationContext ctx, AbstractDataCommand command, boolean retvalCheck) {
      final CacheEntry entry;
      return retvalCheck
            && !command.hasFlag(Flag.CACHE_MODE_LOCAL)
            && !command.hasFlag(Flag.SKIP_REMOTE_LOOKUP)
            && !command.hasFlag(Flag.IGNORE_RETURN_VALUES)
            && ((entry = ctx.lookupEntry(command.getKey())) == null || entry.isNull() || entry.isLockPlaceholder());   //todo [anistor] this condition seems wrong
   }
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      return visitor.visitGetKeyValueCommand(ctx, this);
   }

   @Override
   public Object perform(InvocationContext ctx) throws Throwable {
      CacheEntry entry = ctx.lookupEntry(key);
      if (entry == null || entry.isNull()) {
         if (trace) {
            log.trace("Entry not found");
         }
         return null;
      }
      if (entry.isRemoved()) {
         if (trace) {
            log.tracef("Entry has been deleted and is of type %s", entry.getClass().getSimpleName());
         }
         return null;
      }
      final Object value = entry.getValue();
      if (trace) {
         log.tracef("Found value %s", value);
      }
      return value;
   }
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                  // Couldn't store in L1 for some reason.  But don't fail the transaction!
                  log.infof("Unable to store entry %s in L1 cache", key);
                  log.debug("Inability to store in L1 caused by", e);
               }
            } else {
               CacheEntry ce = ctx.lookupEntry(key);
               if (ce == null || ce.isNull() || ce.isLockPlaceholder() || ce.getValue() == null) {
                  if (ce != null && ce.isChanged()) {
                     ce.setValue(ice.getValue());
                  } else {
                     if (isWrite)
                        lockAndWrap(ctx, key, ice, command);
                     else
                        ctx.putLookedUpEntry(key, ice);
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         Set<Map.Entry<Object, CacheEntry>> entries = ctx.getLookedUpEntries().entrySet();
         Iterator<Map.Entry<Object, CacheEntry>> it = entries.iterator();
         final Log log = getLog();
         while (it.hasNext()) {
            Map.Entry<Object, CacheEntry> e = it.next();
            CacheEntry entry = e.getValue();
            if (!commitEntryIfNeeded(ctx, skipOwnershipCheck, e.getKey(), entry, isPutForStateTransfer)) {
               if (trace) {
                  if (entry == null)
                     log.tracef("Entry for key %s is null : not calling commitUpdate", e.getKey());
                  else
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      }
   }

   @SuppressWarnings("unchecked")
   protected AtomicHashMap<K, V> getDeltaMapForWrite() {
      CacheEntry lookedUpEntry = lookupEntryFromCurrentTransaction();

      boolean lockedAndCopied = lookedUpEntry != null && lookedUpEntry.isChanged() &&
            toMap(lookedUpEntry.getValue()).copied;

      if (lockedAndCopied) {
         return getDeltaMapForRead();
      } else {
         // acquire WL
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   }

   @SuppressWarnings("unchecked")
   @Override
   protected AtomicHashMap<K, V> getDeltaMapForWrite() {
      CacheEntry lookedUpEntry = lookupEntryFromCurrentTransaction();
      boolean lockedAndCopied = lookedUpEntry != null && lookedUpEntry.isChanged() &&
            toMap(lookedUpEntry.getValue()).copied;

      if (lockedAndCopied) {
         return getDeltaMapForRead();
      } else {
         // acquire WL
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         endAtomic();
      }
   }

   private DeltaAwareCacheEntry lookupEntry() {
      CacheEntry entry = lookupEntryFromCurrentTransaction();
      if (entry instanceof DeltaAwareCacheEntry) {
         return (DeltaAwareCacheEntry)entry;
      } else {
         return null;
      }
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      // as our caller is already calling the ClusteredGetCommand on all the relevant nodes
      Set<Flag> commandFlags = EnumSet.of(Flag.SKIP_REMOTE_LOOKUP, Flag.CACHE_MODE_LOCAL);
      if (this.flags != null) commandFlags.addAll(this.flags);
      GetKeyValueCommand command = commandsFactory.buildGetCacheEntryCommand(key, commandFlags);
      InvocationContext invocationContext = icc.createRemoteInvocationContextForCommand(command, getOrigin());
      CacheEntry cacheEntry = (CacheEntry) invoker.invoke(invocationContext, command);
      if (cacheEntry == null) {
         if (trace) log.trace("Did not find anything, returning null");
         return null;
      }
      //this might happen if the value was fetched from a cache loader
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      localModeWriteSkewCheck = configuration.locking().writeSkewCheck();
   }

   @Override
   public final CacheEntry wrapEntryForReading(InvocationContext ctx, Object key) throws InterruptedException {
      CacheEntry cacheEntry = getFromContext(ctx, key);
      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);
            }
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      return mvccEntry;
   }

   @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 {
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  • org.infinispan.atomic.FineGrainedAtomicHashMapProxy
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  • org.infinispan.commands.read.EntrySetCommand$FilteredEntrySet
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