config.h

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/*
 *   Copyright (C) 2020 Nippon Telegraph and Telephone Corporation.
 
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 
 *   http://www.apache.org/licenses/LICENSE-2.0
 
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
 
#ifndef LINEAIRDB_CONFIG_H
#define LINEAIRDB_CONFIG_H
 
#include <cstddef>
#include <thread>
#include <string>
 
namespace LineairDB {
 
struct Config {
  size_t max_thread = std::thread::hardware_concurrency();
  size_t epoch_duration_ms = 40;
 
  enum ConcurrencyControl { Silo, SiloNWR, TwoPhaseLocking };
  ConcurrencyControl concurrency_control_protocol = SiloNWR;
 
  enum Logger { ThreadLocalLogger };
  Logger logger = ThreadLocalLogger;
 
  enum IndexStructure { HashTableWithPrecisionLockingIndex };
  IndexStructure index_structure = HashTableWithPrecisionLockingIndex;
 
  enum CallbackEngine { ThreadLocal };
  CallbackEngine callback_engine = ThreadLocal;
 
  bool enable_recovery = true;
 
  bool enable_logging = true;
 
  bool enable_checkpointing = true;
 
  size_t checkpoint_period = 30;
  std::string work_dir = "./lineairdb_logs";
};
}  // namespace LineairDB
 
#endif