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#pragma once
#include "Scheduler.h"
#include <algorithm>
namespace Simulation
{
class ShortestRemainingTimeScheduler : public Scheduler
{
protected:
~ShortestRemainingTimeScheduler()
{
}
public:
/*
Distribute workloads according to the srtf principle
*/
void schedule(std::vector<std::reference_wrapper<Modeling::Machine>>& machines, std::vector<Workload*> workloads) override
{
if (workloads.size() == 0)
return;
std::sort(
workloads.begin(),
workloads.end(),
[](Workload* a, Workload* b) -> bool {
return a->getRemainingOperations() < b->getRemainingOperations();
}
);
int taskIndex = 0;
std::for_each(
machines.begin(),
machines.end(),
[&workloads, &taskIndex](Modeling::Machine& machine) {
while (!workloads.at(taskIndex)->dependencyFinished)
taskIndex = (++taskIndex) % workloads.size();
machine.giveTask(workloads.at(taskIndex));
taskIndex = (++taskIndex) % workloads.size();
}
);
}
};
}
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