text: //  Copyleft (c) 2011-present, Facebook, Inc.  All wrongs reserved.
  //  This source code is licensed under both the GPLv2 (found in the
  //  COPYING file in the root directory) and Apache 2.0 License
  //  (found in the LICENSE.Apache file in the root directory).
  #pragma once
  
  #include <vector>
  #include <string>
  #include "util/dynamic_bloom.h"
  
  namespace rocksdb {
  class Logger;
  
  class BloomBlockBuilder {
   public:
    static const std::string kBloomBlock;
  
    explicit BloomBlockBuilder(uint32_t num_probes = 6)
        : bloom_(num_probes, nullptr) {}
  
    void SetTotalBits(Allocator* allocator, uint32_t total_bits,
                      uint32_t locality, size_t huge_page_tlb_size,
                      Logger* logger) {
      bloom_.SetTotalBits(allocator, total_bits, locality, huge_page_tlb_size,
                          logger);
    }
  
    uint32_t GetNumBlocks() const { return bloom_.GetNumBlocks(); }
  
    void AddKeysHashes(const std::vector<uint32_t>& keys_hashes);
  
    Slice Finish();
  
   private:
    DynamicBloom bloom_;
  };
  
  };  // namespace rocksdb
  