DateAndTime.cpp

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#include "MantidKernel/DateAndTime.h"
 
#include <boost/date_time/date.hpp>
#include <boost/date_time/time.hpp>
 
#include <cmath>
#include <exception>
#include <limits>
#include <memory>
#include <ostream>
#include <stdexcept>
 
namespace Mantid {
 
using namespace Types::Core;
namespace Kernel {
 
TimeInterval::TimeInterval(const Types::Core::DateAndTime &from, const Types::Core::DateAndTime &to) : m_begin(from) {
  if (to > from)
    m_end = to;
  else
    m_end = from;
}
 
TimeInterval TimeInterval::intersection(const TimeInterval &ti) const {
  if (!isValid() || !ti.isValid())
    return TimeInterval();
 
  DateAndTime t1 = begin();
  if (ti.begin() > t1)
    t1 = ti.begin();
 
  DateAndTime t2 = end();
  if (ti.end() < t2)
    t2 = ti.end();
 
  return t1 < t2 ? TimeInterval(t1, t2) : TimeInterval();
}
 
std::string TimeInterval::begin_str() const { return boost::posix_time::to_simple_string(this->m_begin.to_ptime()); }
 
std::string TimeInterval::end_str() const { return boost::posix_time::to_simple_string(this->m_end.to_ptime()); }
 
std::ostream &operator<<(std::ostream &s, const Mantid::Kernel::TimeInterval &t) {
  s << t.begin().toSimpleString() << " - " << t.end().toSimpleString();
  return s;
}
 
} // namespace Kernel
 
} // namespace Mantid