Examples of org.infinispan.marshall.core.MarshalledEntry

org.infinispan.marshall.core.MarshalledEntry
Defines an externally persisted entry. External stores that keep the data in serialised form should return an MarshalledEntry that contains the data in binary form (ByteBuffer) and unmarshall it lazily when getKey/Value/Metadata are invoked. This approach avoids unnecessary object (de)serialization e.g when the entries are fetched from the external store for the sole purpose of being sent over the wire to another requestor node. @author Mircea Markus @since 6.0

            if (oldEntry != null) {
               isLoaded.set(null); //not loaded
               return oldEntry; //no changes in container
            }


            MarshalledEntry loaded = loadAndCheckExpiration(persistenceManager, key, ctx, timeService);
            if (loaded == null) {
               isLoaded.set(Boolean.FALSE); //not loaded
               return null; //no changed in container
            }

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      });
   }


   public static MarshalledEntry loadAndCheckExpiration(PersistenceManager persistenceManager, Object key,
                                                        InvocationContext context, TimeService timeService) {
      final MarshalledEntry loaded = persistenceManager.loadFromAllStores(key, context);
      if (log.isTraceEnabled()) {
         log.tracef("Loaded %s for key %s from persistence.", loaded, key);
      }
      if (loaded == null) {
         return null;
      }
      InternalMetadata metadata = loaded.getMetadata();
      if (metadata != null && metadata.isExpired(timeService.wallClockTime())) {
         return null;
      }
      return loaded;
   }

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      HashSet<IndexScopedKey> keysCollector = new HashSet<IndexScopedKey>();
      loadSomeKeys(keysCollector, Collections.EMPTY_SET, toLoadElements);
      for (IndexScopedKey key : keysCollector) {
         Object value = load(key);
         if (value != null) {
            MarshalledEntry cacheEntry = new MarshalledEntryImpl(key, value, null, marshaller);
            entriesCollector.add(cacheEntry);
         }
      }
   }

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         public Void call() throws Exception {
            try {
               for (Object key : batch) {
                  if (taskContext.isStopped())
                     break;
                  MarshalledEntry entry = null;
                  if (loadEntry || loadMetadata) {
                     entry = load(key);
                  }
                  if (!loadEntry || !loadMetadata) {
                     entry = ctx.getMarshalledEntryFactory().newMarshalledEntry(key,
                           loadEntry ? entry.getValue() : null,
                           loadMetadata ? entry.getMetadata() : null);
                  }
                  cacheLoaderTask.processEntry(entry, taskContext);
               }
            } catch (Exception e) {
               log.errorExecutingParallelStoreTask(e);

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               if (metadata != null && metadata.isExpired(timeService.wallClockTime())) continue;
               eacs.submit(new Callable<Void>() {
                  @Override
                  public Void call() throws Exception {
                     try {
                        final MarshalledEntry marshalledEntry = marshallerEntryFactory.newMarshalledEntry(key, entity, metadata);
                        if (marshalledEntry != null) {
                           task.processEntry(marshalledEntry, taskContext);
                        }
                        return null;
                     } catch (Exception e) {

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      }


      @Override
      public Void call() throws Exception {
         try {
            final MarshalledEntry marshalledEntry = marshallerEntryFactory.newMarshalledEntry(key, entity, metadata);
            if (marshalledEntry != null) {
               task.processEntry(marshalledEntry, taskContext);
            }
            return null;
         } catch (Exception e) {

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            if (emExec != null) {
               emExec.close();
            }
         }
         try {
            final MarshalledEntry marshalledEntry = marshallerEntryFactory.newMarshalledEntry(key, entity, metadata);
            if (marshalledEntry != null) {
               task.processEntry(marshalledEntry, taskContext);
            }
            return null;
         } catch (Exception e) {

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      HashSet<IndexScopedKey> keysCollector = new HashSet<>();
      loadSomeKeys(keysCollector, Collections.EMPTY_SET, toLoadElements);
      for (IndexScopedKey key : keysCollector) {
         Object value = load(key);
         if (value != null) {
            MarshalledEntry cacheEntry = new MarshalledEntryImpl(key, value, null, marshaller);
            entriesCollector.add(cacheEntry);
         }
      }
   }

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      for (Object key : remoteCache.keySet()) {
         if (taskContext.isStopped())
            break;
         if (filter == null || filter.shouldLoadKey(key)) {
            try {
               MarshalledEntry marshalledEntry = load(key);
               if (marshalledEntry != null) {
                  task.processEntry(marshalledEntry, taskContext);
               }
            } catch (InterruptedException e) {
               Thread.currentThread().interrupt();

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         @Override
         public Void call() throws Exception {
            for (Object key : batch) {
               if (taskContext.isStopped())
                  break;
               MarshalledEntry marshalledEntry = !loadEntry && !loadMetadata ?
                     new MarshalledEntryImpl(key, (Object) null, null, ctx.getMarshaller()) :
                     load(key);
               if (marshalledEntry != null) {
                  cacheLoaderTask.processEntry(marshalledEntry, taskContext);
               }

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