Package com.codecademy.eventhub.base

Examples of com.codecademy.eventhub.base.BloomFilter

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    int id = getId(externalUserId);
    if (id != UserStorage.USER_NOT_FOUND) {
      return id;
    }
    id = super.ensureUser(externalUserId);
    final BloomFilter bloomFilter = bloomFilterProvider.get();
    User user = new User.Builder(externalUserId, Maps.<String, String>newHashMap()).build();
    user.enumerate(new KeyValueCallback() {
      @Override
      public void callback(String key, String value) {
        bloomFilter.add(getBloomFilterKey(key, value));
      }
    });
    bloomFilterDmaList.add(bloomFilter);
    return id;
  }
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  }

  @Override
  public int updateUser(User user) {
    int id = getId(user.getExternalId());
    final BloomFilter bloomFilter = bloomFilterProvider.get();
    user.enumerate(new KeyValueCallback() {
      @Override
      public void callback(String key, String value) {
        bloomFilter.add(getBloomFilterKey(key, value));
      }
    });
    bloomFilterDmaList.update(id, bloomFilter);
    return super.updateUser(user);
  }
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  @Override
  public Visitor getFilterVisitor(final int userId) {
    return new DelayedVisitorProxy(new Provider<Visitor>() {
      @Override
      public Visitor get() {
        final BloomFilter bloomFilter = bloomFilterDmaList.get(userId);
        final Visitor visitorFromSuper = BloomFilteredUserStorage.super.getFilterVisitor(userId);
        numConditionCheck++;
        return new BloomFilteredFilterVisitor(bloomFilter, visitorFromSuper);
      }
    });
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    this.numBloomFilterRejection = 0;
  }

  @Override
  public long addEvent(Event event, int userId, int eventTypeId) {
    final BloomFilter bloomFilter = bloomFilterProvider.get();
    event.enumerate(new KeyValueCallback() {
      @Override
      public void callback(String key, String value) {
        bloomFilter.add(getBloomFilterKey(key, value));
      }
    });
    bloomFilterDmaList.add(bloomFilter);
    return super.addEvent(event, userId, eventTypeId);
  }
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  @Override
  public Visitor getFilterVisitor(final long eventId) {
    return new DelayedVisitorProxy(new Provider<Visitor>() {
      @Override
      public Visitor get() {
        final BloomFilter bloomFilter = bloomFilterDmaList.get(eventId);
        final Visitor visitorFromSuper = BloomFilteredEventStorage.super.getFilterVisitor(eventId);
        numConditionCheck++;
        return new BloomFilteredFilterVisitor(bloomFilter, visitorFromSuper);
      }
    });
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Related Classes of com.codecademy.eventhub.base.BloomFilter

  • com.codecademy.eventhub.storage.BloomFilteredEventStorage
  • com.codecademy.eventhub.storage.BloomFilteredUserStorage
  • java.util.BitSet
  • java.nio.ByteBuffer
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