Examples of org.infinispan.filter.CollectionKeyFilter

org.infinispan.filter.CollectionKeyFilter
Filter based on accepting/rejecting the keys that are present in a supplied collection. @author Mircea Markus @since 6.0

         }


         AdvancedCacheLoader stProvider = persistenceManager.getStateTransferProvider();
         if (stProvider != null) {
            try {
               CollectionKeyFilter filter = new CollectionKeyFilter(new ReadOnlyDataContainerBackedKeySet(dataContainer));
               AdvancedCacheLoader.CacheLoaderTask task = new AdvancedCacheLoader.CacheLoaderTask() {
                  @Override
                  public void processEntry(MarshalledEntry me, AdvancedCacheLoader.TaskContext taskContext) throws InterruptedException {
                        int segmentId = readCh.getSegment(me.getKey());
                        if (segments.contains(segmentId)) {

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      if (enabled && !hasSkipLoadFlag(command)) {
         Set<Object> keysSet = (Set<Object>) keys;
         final ConcurrentHashSet<Object> union = new ConcurrentHashSet<Object>();
         for (Object k : keysSet)
            union.add(k);
         persistenceManager.processOnAllStores(new CollectionKeyFilter(union), new AdvancedCacheLoader.CacheLoaderTask() {
            @Override
            public void processEntry(MarshalledEntry marshalledEntry, AdvancedCacheLoader.TaskContext taskContext) throws InterruptedException {
               union.add(marshalledEntry.getKey());
            }
         }, false, false);

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      if (enabled && !hasSkipLoadFlag(command)) {
         final ConcurrentHashSet<InternalCacheEntry> union = new ConcurrentHashSet<InternalCacheEntry>();
         final ConcurrentHashSet<Object> processedKeys = new ConcurrentHashSet<Object>();
         for (InternalCacheEntry ice : (Set<InternalCacheEntry>)entrySet)
            processedKeys.add(ice.getKey());
         persistenceManager.processOnAllStores(new CollectionKeyFilter(processedKeys), new AdvancedCacheLoader.CacheLoaderTask() {
            @Override
            public void processEntry(MarshalledEntry marshalledEntry, AdvancedCacheLoader.TaskContext taskContext) throws InterruptedException {
               union.add(iceFactory.create(marshalledEntry.getKey(), marshalledEntry.getValue(), marshalledEntry.getMetadata()));
            }
         }, true, true);

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   }


   protected void testSimpleFilter(Object key) {
      final String keyToFilterOut = "filter-me";
      testFilter(keyToFilterOut, key, null, new KeyFilterAsKeyValueFilter<Object, String>(
            new CollectionKeyFilter(Collections.singleton(key), true)));
   }

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               }
            });
         }
         // in case we have stores, we have to process key/values from there as well
         if (persistenceManager != null && !inputKeysSpecified) {
               KeyFilter<?> keyFilter = new CompositeKeyFilter(new PrimaryOwnerFilter(cdl), new CollectionKeyFilter(dc.keySet()));
               persistenceManager.processOnAllStores(keyFilter, new MapReduceCacheLoaderTask(mapper, collector),
                     true, false);
         }
      } finally {
         if (log.isTraceEnabled()) {

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         }


         // in case we have stores, we have to process key/values from there as well
         if (persistenceManager != null && !inputKeysSpecified) {
            KeyFilter<?> keyFilter = new CompositeKeyFilter(new PrimaryOwnerFilter(cdl),
                  new CollectionKeyFilter(dc.keySet()));


            MapCombineTask<KIn, VIn, KOut, VOut> task = new MapCombineTask<KIn, VIn, KOut, VOut>(mcc, maxCSize);
            persistenceManager.processOnAllStores(keyFilter, task, true, false);
            intermediateKeys.addAll(task.getMigratedIntermediateKeys());
            //the last chunk of remaining keys/values to migrate

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         AssertJUnit.assertNotNull(cacheLoader.load(key));


         exclusionSet.add(key);
      }


      keyList = PersistenceUtil.toKeySet(cacheLoader, new CollectionKeyFilter(exclusionSet));


      AssertJUnit.assertEquals((initialCount - fileNamesFromIndexDir.length), keyList.size());


      Iterator it = keyList.iterator();
      if(it.hasNext()) {

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      int initialCount = keySet.size();


      HashSet exclusionSet = new HashSet();
      exclusionSet.add(new FileListCacheKey(indexName));


      keySet = PersistenceUtil.toKeySet(cacheLoader, new CollectionKeyFilter(exclusionSet));
      String[] fileNamesArr = TestHelper.getFileNamesFromDir(rootDir, indexName);
      AssertJUnit.assertEquals((initialCount - 1), keySet.size());


      Iterator it = keySet.iterator();
      while (it.hasNext()) {

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      }


      Set keyList = PersistenceUtil.toKeySet(cacheLoader, null);
      checkIfExists(keyList, exclusionSet, true, false);


      keyList = PersistenceUtil.toKeySet(cacheLoader, new CollectionKeyFilter(exclusionSet));
      checkIfExists(keyList, exclusionSet, false, true);
   }

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      }


      // gather all keys from cache store that belong to the segments that are being removed/moved to L1
      //todo [anistor] extend CacheStore interface to be able to specify a filter when loading keys (ie. keys should belong to desired segments)
      try {
         CollectionKeyFilter filter = new CollectionKeyFilter(new ReadOnlyDataContainerBackedKeySet(dataContainer));
         persistenceManager.processOnAllStores(filter, new AdvancedCacheLoader.CacheLoaderTask() {
            @Override
            public void processEntry(MarshalledEntry marshalledEntry, AdvancedCacheLoader.TaskContext taskContext) throws InterruptedException {
               Object key = marshalledEntry.getKey();
               int keySegment = getSegment(key);

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