/*

*Name: Kabir Bhakta Student Number: 7900098

*Purpose: Arrvial Event implementation. When a process arrives in system.

*/

#include "Arrival.h"

#include "Simulation.h"

#include "StartCpu.h"

#include "Process.h"

#include "TimeOut.h"

#include <iostream>

using namespace std;

//constructor

Arrival::Arrival(int arriveT, Process *currProcess, Simulation *sim) : Event(arriveT, currProcess, sim) {}

//Handle event will do the main processing and create another event accordingly

void Arrival::handleEvent()

{

Simulation *sim = this->getSim();

Process *process = this->getProcess();

if (sim->isCpuBusy()) //check if cpu is currently proccessing anything or not

{

sim->addtoCpu(process); //if it is proccessing then add to end of the queue

}

else

{

sim->addtoCpu(process); //if cpu is free then add to queue and start cpu event should be added to the event list

StartCpu *newEvent = new StartCpu(this->getTime(), process, sim);

sim->addEvent(newEvent);

}

sim->getNextProcess(); //read new arriavl from the file

}

void Arrival::print()

{

if (!getSim()->isCpuBusy())

{

cout << "Time\t" << this->getTime() << ":\tProcess\t" << this->getProcess()->getId() << " arrives in system: CPU is free(Process begins execution)." << endl;

}

else

{

cout << "Time\t" << this->getTime() << ":\tProcess\t" << this->getProcess()->getId() << " arrives in system: CPU is busy(Process will be queued)." << endl;

}

}