rocksdb/table/bloom_block.h

//  Copyright (c) 2014, Facebook, Inc.  All rights reserved.
//  This source code is licensed under the BSD-style license found in the
//  LICENSE file in the root directory of this source tree. An additional grant
//  of patent rights can be found in the PATENTS file in the same 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(Arena* arena, uint32_t total_bits, uint32_t locality,
                    size_t huge_page_tlb_size, Logger* logger) {
    bloom_.SetTotalBits(arena, 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