Uuid.hpp

Go to the documentation of this file.

/*
    Copyright (C) 2014-2016 Leosac
 
    This file is part of Leosac.
 
    Leosac is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    Leosac 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 Affero General Public License for more details.
 
    You should have received a copy of the GNU Affero General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
 
#pragma once
 
#include <boost/lexical_cast.hpp>
#include <boost/uuid/random_generator.hpp>
#include <boost/uuid/uuid.hpp>
#include <boost/uuid/uuid_io.hpp>
#include <odb/core.hxx>
#include <string>
 
namespace Leosac
{
#pragma db value
class UUID
{
  public:
    UUID() = default;
 
    UUID(const UUID &) = default;
 
    explicit UUID(const boost::uuids::uuid &uuid)
        : uuid_(uuid)
    {
    }
 
    bool operator==(const UUID &other) const
    {
        return uuid_ == other.uuid_;
    }
 
    bool operator!=(const UUID &other) const
    {
        return uuid_ != other.uuid_;
    }
 
    bool is_nil() const
    {
        return uuid_.is_nil();
    }
 
    std::string to_string() const
    {
        return boost::lexical_cast<std::string>(uuid_);
    }
 
    static UUID null_uuid()
    {
        UUID u{};
        assert(u.uuid_.is_nil());
        return u;
    }
 
    static UUID random_uuid()
    {
        boost::uuids::uuid uuid = boost::uuids::random_generator()();
        return UUID(uuid);
    }
 
    bool operator<(const UUID &o) const
    {
        return uuid_ < o.uuid_;
    }
 
  private:
    boost::uuids::uuid uuid_;
 
    friend class odb::access;
};
}