Package org.infinispan.container.entries

Examples of org.infinispan.container.entries.MVCCEntry

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   @Override
   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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      // first check if the container contains the key we need.  Try and load this into the context.
      CacheEntry e = ctx.lookupEntry(key);
      if (e == null || e.isNull() || e.getValue() == null) {
         InternalCacheEntry loaded = loader.load(key);
         if (loaded != null) {
            MVCCEntry mvccEntry = entryFactory.wrapEntryForPut(ctx, key, loaded, false, cmd);
            recordLoadedEntry(ctx, key, mvccEntry, loaded);
            return true;
         } else {
            return false;
         }
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   @Override
   public Object perform(InvocationContext ctx) throws Throwable {
      for (Entry<Object, Object> e : map.entrySet()) {
         Object key = e.getKey();
         MVCCEntry me = lookupMvccEntry(ctx, key);
         if (me != null) {
            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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         return null;
      }
      //this might happen if the value was fetched from a cache loader
      if (cacheEntry instanceof MVCCEntry) {
         if (trace) log.trace("Handling an internal cache entry...");
         MVCCEntry mvccEntry = (MVCCEntry) cacheEntry;
         return entryFactory.createValue(mvccEntry);
      } else {
         InternalCacheEntry internalCacheEntry = (InternalCacheEntry) cacheEntry;
         return internalCacheEntry.toInternalCacheValue();
      }
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      // It's not worth looking up the entry if we're never going to apply the change.
      if (valueMatcher == ValueMatcher.MATCH_NEVER) {
         successful = false;
         return null;
      }
      MVCCEntry e = (MVCCEntry) ctx.lookupEntry(key);
      if (e == null || e.isNull() || e.isRemoved()) {
         nonExistent = true;
         if (valueMatcher.matches(e, value, null, valueEquivalence)) {
            if (e != null) {
               e.setChanged(true);
               e.setRemoved(true);
            }
            return isConditional() ? true : null;
         } else {
            log.trace("Nothing to remove since the entry doesn't exist in the context or it is null");
            successful = false;
            return false;
         }
      }

      if (!valueMatcher.matches(e, value, null, valueEquivalence)) {
         successful = false;
         return false;
      }

      if (this instanceof EvictCommand) {
         e.setEvicted(true);
      }

      return performRemove(e, ctx);
   }
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   @Override
   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, me.getMetadata(), true, ctx, this);
            me.setRemoved(true);
            me.setValid(false);
            me.setChanged(true);
         }
      }
      return null;
   }
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   @Override
   public Object perform(InvocationContext ctx) throws Throwable {
      Map<Object, Object> previousValues = new HashMap<Object, Object>();
      for (Entry<Object, Object> e : map.entrySet()) {
         Object key = e.getKey();
         MVCCEntry me = lookupMvccEntry(ctx, key);
         if (me != null) {
            Object value = me.getValue();
            previousValues.put(key, value);
            notifier.notifyCacheEntryModified(key, e.getValue(), value, me.getMetadata(), true, ctx, this);
            me.setValue(e.getValue());
            me.setChanged(true);
         }
      }
      return previousValues;
   }
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      // It's not worth looking up the entry if we're never going to apply the change.
      if (valueMatcher == ValueMatcher.MATCH_NEVER) {
         successful = false;
         return null;
      }
      MVCCEntry e = (MVCCEntry) ctx.lookupEntry(key);
      if (valueMatcher.matches(e, oldValue, newValue, valueEquivalence)) {
         e.setChanged(true);
         Object old = e.setValue(newValue);
         if (valueMatcher != ValueMatcher.MATCH_EXPECTED_OR_NEW) {
            return returnValue(old, e.getMetadata(), true, ctx);
         } else {
            // Return the expected value when retrying
            return returnValue(oldValue, e.getMetadata(), true, ctx);
         }
      }

      return returnValue(null, null, false, ctx);
   }
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      // It's not worth looking up the entry if we're never going to apply the change.
      if (valueMatcher == ValueMatcher.MATCH_NEVER) {
         successful = false;
         return null;
      }
      MVCCEntry e = (MVCCEntry) ctx.lookupEntry(key);
      if (e == null && hasFlag(Flag.PUT_FOR_EXTERNAL_READ)) {
         successful = false;
         return null;
      }
      //possible as in certain situations (e.g. when locking delegation is used) we don't wrap
      if (e == null) return null;

      Object entryValue = e.getValue();
      if (!valueMatcher.matches(e, null, value, valueEquivalence)) {
         successful = false;
         return entryValue;
      }
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      if (cacheEntry == null) {
         cacheEntry = existing == null ? getFromContainer(key, false) : existing;

         // 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, ctx, null, false, false, false);
            } else {
               mvccEntry = createWrappedEntry(key, cacheEntry, ctx, null, false, false, false);
               // 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);
            if (trace) {
               log.tracef("Wrap %s for read. Entry=%s", key, 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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