log_type.hpp

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/*
 * Copyright (c) 2014-2015, Hewlett-Packard Development Company, LP.
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details. You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * HP designates this particular file as subject to the "Classpath" exception
 * as provided by HP in the LICENSE.txt file that accompanied this code.
 */
#ifndef FOEDUS_LOG_LOG_TYPE_HPP_
#define FOEDUS_LOG_LOG_TYPE_HPP_

#include "foedus/cxx11.hpp"
// include all header files that forward-declare log types defined in the xmacro.
// don't include headers that really declare them. we just need foward-declarations here.
#include "foedus/log/fwd.hpp"
#include "foedus/storage/fwd.hpp"
#include "foedus/storage/array/fwd.hpp"
#include "foedus/storage/hash/fwd.hpp"
#include "foedus/storage/masstree/fwd.hpp"
#include "foedus/storage/sequential/fwd.hpp"

namespace foedus {
namespace log {
#define X(a, b, c)  a = b,
enum LogCode {
  kLogCodeInvalid = 0,
#include "foedus/log/log_type.xmacro" // NOLINT
};
#undef X

enum LogCodeKind {
  kRecordLogs = 0,
  kStorageLogs = 1,
  kEngineLogs = 2,
  kMarkerLogs = 3,
};

inline LogCodeKind get_log_code_kind(LogCode code) {
  return static_cast<LogCodeKind>(code >> 12);
}

inline bool is_valid_log_type(LogCode code) {
  switch (code) {
#define X(a, b, c) case a: return true;
#include "foedus/log/log_type.xmacro" // NOLINT
#undef X
    default: return false;
  }
}

const char* get_log_type_name(LogCode code);

template <typename LOG_TYPE>
CXX11_CONSTEXPR LogCode get_log_code();

// give a template specialization for each log type class
#define X(a, b, c) template <> inline CXX11_CONSTEXPR LogCode get_log_code< c >() { return a ; }
#include "foedus/log/log_type.xmacro" // NOLINT
#undef X

}  // namespace log
}  // namespace foedus

#endif  // FOEDUS_LOG_LOG_TYPE_HPP_