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eodev/eo/src/utils/eoTimedMonitor.h
2011-05-05 16:54:00 +02:00

88 lines
2.5 KiB
C++

// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
//-----------------------------------------------------------------------------
// eoTimedMonitor.h
// (c) Marc Schoenauer, Maarten Keijzer and GeNeura Team, 2005
/*
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 _eoTimedMonitor_h
#define _eoTimedMonitor_h
#include <ctime>
#include <string>
#include <utils/eoMonitor.h>
#include <eoObject.h>
/**
Holds a collection of monitors and only fires them when a time limit
has been reached
@ingroup Monitors
*/
class eoTimedMonitor : public eoMonitor
{
public:
/** Constructor
No negative time can be specified, use 0 if you want it to fire "always".
@param seconds_ Specify time limit (s).
*/
eoTimedMonitor(unsigned seconds_) : last_tick(0), seconds(seconds_) {}
eoMonitor& operator()(void) {
bool monitor = false;
if (last_tick == 0) {
monitor = true;
last_tick = clock();
}
clock_t tick = clock();
if ( (unsigned)(tick-last_tick) >= seconds * CLOCKS_PER_SEC) {
monitor = true;
}
if (monitor) {
for (unsigned i = 0; i < monitors.size(); ++i) {
(*monitors[i])();
}
last_tick = clock();
}
return *this;
}
void add(eoMonitor& mon) { monitors.push_back(&mon); }
virtual std::string className(void) const { return "eoTimedMonitor"; }
private:
clock_t last_tick;
unsigned seconds;
std::vector<eoMonitor*> monitors;
};
#endif