Scheduler Class Reference

#include <Scheduler.h>

List of all members.

Public Member Functions
	Scheduler ()
	~Scheduler ()
void	schedule (double deltaT, ScheduledEvent *event)
void	start ()
void	stop ()
bool	running ()
void	clear ()
GPStime	elapsed_time () const
void	setLog (std::ostream &out)
void	endLogging ()
void	printOn (std::ostream &out) const
Static Public Member Functions
static Scheduler *	instance ()
Private Attributes
GPStime	m_time
bool	m_running
std::ostream *	m_log
Static Private Attributes
static Scheduler *	s_instance = 0

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Detailed Description

Definition at line 33 of file Scheduler.h.

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Constructor & Destructor Documentation

Scheduler::Scheduler

(

)

Definition at line 11 of file Scheduler.cxx.

References s_instance.

Referenced by instance().

: m_time(GPStime(0))
, m_running(false)
, m_log(0)
{
    assert( s_instance==0);  // require only one
    s_instance = this;
}

Scheduler::~Scheduler

(

)

Definition at line 20 of file Scheduler.cxx.

References clear().

{
    clear();
}

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Member Function Documentation

void Scheduler::clear

(

)

Definition at line 24 of file Scheduler.cxx.

References m_time.

Referenced by ~Scheduler().

{
    while( ! empty() ) {
        iterator f = begin();
        delete (*f).second;
        erase(f);
    }
    m_time = 0;
}

GPStime Scheduler::elapsed_time

(

)

const [inline]

Definition at line 61 of file Scheduler.h.

References m_time.

Referenced by printOn(), and setLog().

{return m_time;}

void Scheduler::endLogging

(

)

Definition at line 86 of file Scheduler.cxx.

References m_log.

{
    m_log = 0;
}

Scheduler * Scheduler::instance

(

)

[static]

Definition at line 9 of file Scheduler.cxx.

References s_instance, and Scheduler().

Referenced by ScheduledEvent::schedule().

{return (s_instance) ? s_instance : new Scheduler();}

void Scheduler::printOn

(

std::ostream &

out

)

const

Definition at line 66 of file Scheduler.cxx.

References elapsed_time(), and deljobs::end.

{
    out << "\nScheduler stack: current time = " << elapsed_time() << std::endl;
    out << "\ttime\tclass name\n";
    for( const_iterator it= begin(); it !=end(); ++it){
        std::pair<double, ScheduledEvent*> entry = *it;
        out << "\t" << entry.first << '\t' << entry.second->name() << std::endl ;
    }
    out << std::endl;

}

bool Scheduler::running

(

)

[inline]

Definition at line 55 of file Scheduler.h.

References m_running.

{return m_running;}

void Scheduler::schedule	(	double	deltaT,
		ScheduledEvent *	event
	)

Definition at line 35 of file Scheduler.cxx.

References m_time.

Referenced by ScheduledEvent::schedule().

{
    insert(std::make_pair(m_time+deltaT, event));
}

void Scheduler::setLog

(

std::ostream &

out

)

Definition at line 78 of file Scheduler.cxx.

References elapsed_time(), and m_log.

{
    m_log = &out;
    out << "\nSchedule event: current time = " << elapsed_time() << std::endl;
    out << "\ttime\tEvent\n";

}

void Scheduler::start

(

)

Definition at line 40 of file Scheduler.cxx.

References m_log, m_running, and m_time.

{
    m_running = true;

    while( !empty() && m_running ) {

        // get the entry at the head of the queue
        std::pair<double, ScheduledEvent*> entry = *begin();

        // set current time, remove the entry
        m_time = entry.first;
        erase(begin());

        // run, then delete it
        if( m_log ) {
            (*m_log) << "\t" << entry.first << '\t' << entry.second->name() << std::endl ;
        }
        entry.second->execute();
        delete entry.second;
    }
}

void Scheduler::stop

(

)

Definition at line 62 of file Scheduler.cxx.

References m_running.

{
    m_running = false;
}

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Member Data Documentation

std::ostream* Scheduler::m_log [private]

Definition at line 78 of file Scheduler.h.

Referenced by endLogging(), setLog(), and start().

bool Scheduler::m_running [private]

Definition at line 77 of file Scheduler.h.

Referenced by running(), start(), and stop().

GPStime Scheduler::m_time [private]

Definition at line 76 of file Scheduler.h.

Referenced by clear(), elapsed_time(), schedule(), and start().

Scheduler * Scheduler::s_instance = 0 [static, private]

Definition at line 75 of file Scheduler.h.

Referenced by instance(), and Scheduler().

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