sgpemv2/src/backend/schedulable_status.cc

// src/backend/schedulable_status.cc - 	Copyright 2005, 2006, University
//               					of Padova, dept. of Pure and Applied
//               					Mathematics
//
// This file is part of SGPEMv2.
//
// This 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.
//
// SGPEMv2 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 SGPEMv2; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

#include "schedulable_status.hh"
using namespace sgpem;
using namespace std;

SchedulableStatus::SchedulableStatus(const Schedulable& obj)
  : _ref(&obj), _last(-1), _time_left(obj.get_total_cpu_time()), _my_state(state_future)
{	
}

int 
SchedulableStatus::get_cpu_time_left() const
{
  return _time_left;
}

void
SchedulableStatus::give_cpu_time(const int& time)
{
  _time_left -= time;
  if (_time_left < 0)
    _time_left = 0;
}

void
SchedulableStatus::set_last_scheduled(const int& time)
{
  _last = time;
}

int
SchedulableStatus::get_last_scheduled() const
{
  return _last;
}

SchedulableStatus::state
SchedulableStatus::get_state() const
{
  return _my_state;
}

void
SchedulableStatus::set_state(state s)
{
  _my_state = s;
}

const Schedulable*
SchedulableStatus::get_schedulable() const
{
  return _ref;
}

bool
SchedulableStatus::operator==(const SchedulableStatus& dx) const 
{
  return (_ref==dx._ref)&&(_last==dx._last)&&(_time_left==dx._time_left)&&(_my_state==dx._my_state);
}