version_id.hpp
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/*************************************************************************
*
* Copyright 2016 Realm Inc.
*
* 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 REALM_VERSION_ID_HPP
#define REALM_VERSION_ID_HPP
#if defined(_WIN32) && !defined(__STDC_LIMIT_MACROS)
#define __STDC_LIMIT_MACROS
#endif
#include <cstdint>
#include <limits>
namespace realm {
struct VersionID {
using version_type = uint_fast64_t;
version_type version = std::numeric_limits<version_type>::max();
uint_fast32_t index = 0;
VersionID()
{
}
VersionID(version_type initial_version, uint_fast32_t initial_index)
{
version = initial_version;
index = initial_index;
}
bool operator==(const VersionID& other) const
{
return version == other.version;
}
bool operator!=(const VersionID& other) const
{
return version != other.version;
}
bool operator<(const VersionID& other) const
{
return version < other.version;
}
bool operator<=(const VersionID& other) const
{
return version <= other.version;
}
bool operator>(const VersionID& other) const
{
return version > other.version;
}
bool operator>=(const VersionID& other) const
{
return version >= other.version;
}
};
} // namespace realm
#endif // REALM_VERSION_ID_HPP