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

      if (enabled && !shouldSkipCacheLoader(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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      cl.write(new MarshalledEntryImpl("k5", wrap("k5", "v5"), null, getMarshaller()));


      Set<MarshalledEntry> s = TestingUtil.allEntries(cl);
      assert s.size() == 5 : "Expected 5 keys, was " + s;


      s = allEntries(cl, new CollectionKeyFilter(emptySet()));
      assert s.size() == 5 : "Expected 5 keys, was " + s;


      s = allEntries(cl, new CollectionKeyFilter(Collections.<Object>singleton("k3")));
      assert s.size() == 4 : "Expected 4 keys but was " + s;


      for (MarshalledEntry me: s)
         assertFalse(me.getKey().equals("k3"));
   }

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