119 lines
2.9 KiB
C++
119 lines
2.9 KiB
C++
// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// eoUpdatable.h
|
|
// (c) Maarten Keijzer, Marc Schoenauer and GeNeura Team, 2000
|
|
/*
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
This library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
Contact: todos@geneura.ugr.es, http://geneura.ugr.es
|
|
Marc.Schoenauer@polytechnique.fr
|
|
mkeijzer@dhi.dk
|
|
*/
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#ifndef _eoUpdatable_h
|
|
#define _eoUpdatable_h
|
|
|
|
#include <utils/eoUpdater.h>
|
|
|
|
/**
|
|
eoUpdatable is a generic class for adding updatation to an existing class
|
|
Just says it has an update() method
|
|
|
|
@ingroup Utilities
|
|
*/
|
|
class eoUpdatable
|
|
{
|
|
public:
|
|
|
|
/** @brief Virtual destructor */
|
|
virtual ~eoUpdatable() {};
|
|
|
|
virtual void update() = 0;
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
A base class to actually update an eoUpdatable object
|
|
|
|
@ingroup Utilities
|
|
*/
|
|
class eoDynUpdater : public eoUpdater
|
|
{public :
|
|
eoDynUpdater(eoUpdatable & _toUpdate) : toUpdate(_toUpdate) {};
|
|
|
|
virtual void operator()()
|
|
{
|
|
toUpdate.update();
|
|
}
|
|
|
|
private:
|
|
eoUpdatable& toUpdate;
|
|
};
|
|
|
|
/**
|
|
An eoUpdater to update an eoUpdatable object every given time interval
|
|
|
|
@ingroup Utilities
|
|
*/
|
|
class eoTimedDynUpdate : public eoDynUpdater
|
|
{
|
|
public :
|
|
eoTimedDynUpdate(eoUpdatable & _toUpdate, time_t _interval) :
|
|
eoDynUpdater(_toUpdate),
|
|
interval(_interval), last_time(time(0)), first_time(time(0)) {}
|
|
|
|
void operator()(void)
|
|
{
|
|
time_t now = time(0);
|
|
|
|
if (now >= last_time + interval)
|
|
{
|
|
last_time = now;
|
|
eoDynUpdater::operator() ();
|
|
}
|
|
}
|
|
private :
|
|
const time_t interval;
|
|
time_t last_time;
|
|
const time_t first_time;
|
|
};
|
|
|
|
/**
|
|
An eoUpdater to update an eoUpdatable object every given tic
|
|
|
|
@ingroup Utilities
|
|
*/
|
|
class eoCountedDynUpdate : public eoDynUpdater
|
|
{
|
|
public :
|
|
eoCountedDynUpdate(eoUpdatable & _toUpdate, unsigned _interval)
|
|
: eoDynUpdater(_toUpdate), interval(_interval), counter(0) {}
|
|
|
|
void operator()(void)
|
|
{
|
|
if (++counter % interval == 0)
|
|
{
|
|
eoDynUpdater::operator() ();
|
|
}
|
|
}
|
|
private :
|
|
const unsigned interval;
|
|
unsigned counter;
|
|
};
|
|
|
|
#endif
|