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/*
* Copyright Andrey Semashev 2007 - 2014.
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*/
/*!
* \file time_traits.hpp
* \author Andrey Semashev
* \date 01.12.2007
*
* The header contains implementation of time traits that are used in various parts of the
* library to acquire current time.
*/
#ifndef BOOST_LOG_ATTRIBUTES_TIME_TRAITS_HPP_INCLUDED_
#define BOOST_LOG_ATTRIBUTES_TIME_TRAITS_HPP_INCLUDED_
#include <boost/date_time/posix_time/posix_time_types.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace attributes {
//! Base class for time traits involving Boost.DateTime.
struct basic_time_traits
{
//! Time type
typedef posix_time::ptime time_type;
//! Current time source
#if defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
typedef posix_time::microsec_clock clock_source;
#else
typedef posix_time::second_clock clock_source;
#endif // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
};
//! Time traits that describes UTC time acquirement via Boost.DateTime facilities
struct utc_time_traits :
public basic_time_traits
{
/*!
* \return Current time stamp
*/
static time_type get_clock()
{
return clock_source::universal_time();
}
};
//! Time traits that describes local time acquirement via Boost.DateTime facilities
struct local_time_traits :
public basic_time_traits
{
/*!
* \return Current time stamp
*/
static time_type get_clock()
{
return clock_source::local_time();
}
};
} // namespace attributes
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_ATTRIBUTES_TIME_TRAITS_HPP_INCLUDED_
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