github.com/igggame/nebulas-go@v2.1.0+incompatible/nbre/runtime/nr/impl/nr_handler.h (about)

     1  // Copyright (C) 2018 go-nebulas authors
     2  //
     3  // This file is part of the go-nebulas library.
     4  //
     5  // the go-nebulas library is free software: you can redistribute it and/or
     6  // modify
     7  // it under the terms of the GNU General Public License as published by
     8  // the Free Software Foundation, either version 3 of the License, or
     9  // (at your option) any later version.
    10  //
    11  // the go-nebulas library is distributed in the hope that it will be useful,
    12  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  // GNU General Public License for more details.
    15  //
    16  // You should have received a copy of the GNU General Public License
    17  // along with the go-nebulas library.  If not, see
    18  // <http://www.gnu.org/licenses/>.
    19  //
    20  
    21  #pragma once
    22  #include "common/byte.h"
    23  #include "common/common.h"
    24  #include "runtime/nr/impl/nebulas_rank.h"
    25  #include "util/lru_cache.h"
    26  #include "util/singleton.h"
    27  
    28  namespace neb {
    29  namespace rt {
    30  namespace nr {
    31  
    32  class nr_handler : public util::singleton<nr_handler> {
    33  public:
    34    nr_handler();
    35  
    36    void start(const std::string &nr_handle);
    37  
    38    nr_ret_type get_nr_result(const std::string &nr_handle);
    39  
    40    void run_if_default(block_height_t start_block, block_height_t end_block,
    41                        const std::string &nr_handle);
    42    void run_if_specify(block_height_t start_block, block_height_t end_block,
    43                        uint64_t nr_version, const std::string &nr_handle);
    44  
    45  private:
    46    util::lru_cache<std::string, nr_ret_type> m_nr_result;
    47  };
    48  } // namespace nr
    49  } // namespace rt
    50  } // namespace neb