public bool PreviousStep()
{
int actualstep = Step;
actualstep--;
Step = 0;
if (actualstep >= 0)
{
SimulatorModel = new TS_SimulatorModel();
try
{
SimulatorModel.CreateSimulatorDomain(InputDescriptor);
for (int i = 0; i < actualstep; i++)
{
NextStep();
}
}
catch (Exception e)
{
}
}
GC.Collect();
return true;
}
public Metrics(TS_SimulatorModel simulatorModel, TS_Descriptor descriptor)
{
this.simulatorModel = simulatorModel;
avarageOverheadTimeInOneThousandthMs = (double)descriptor.AvarageOverheadTime/1000.0;
countOfMillisecondsWhereProcessWasRunning = countOfMillisecondsWhereProcessWasNotRunning = 0;
countOfContextSwitchings = CountOfTaskSchedulings = 0;
}
public Resource(ResourceDescriptor resourceDescriptor, TS_SimulatorModel simulatorModel)
{
queue = new ObservableCollection<ResourceRecord>();
currentlyUsing = new ObservableCollection<ResourceRecord>();
ResourceName = resourceDescriptor.ResourceName;
Quantity = resourceDescriptor.Quantity;
this.simulatorModel = simulatorModel;
}
public RR(TS_SimulatorModel simulatorModel, ObservableCollection<string> parameters)
{
this.simulatorModel = simulatorModel;
timeLimit = Convert.ToInt32(parameters.First());
if (timeLimit <= 0)
{
timeLimit = 1;
}
actualTime = 0;
}
public SJF(TS_SimulatorModel simulatorModel, ObservableCollection<string> parameters)
{
this.simulatorModel = simulatorModel;
}
public SRTF(TS_SimulatorModel simulatorModel, ObservableCollection<string> parameters)
{
this.simulatorModel = simulatorModel;
savedQueue = new ObservableCollection<Process>();
}
public Process(TS_SimulatorModel simulatorModel, ProcessDescriptor processDescriptor, ObservableCollection<Resource> Resources)
{
this.simulatorModel = simulatorModel;
//ProcessStatus = ProcessStatusEnum.Undefined;
ProcessName = processDescriptor.ProcessName;
ArrivalTime = processDescriptor.ArrivalTime;
// Burst-ök ellenőrése, amelyiknél nincs megfelelő erőforrás definiálva, törlésre kerül.
BurstSequence = new ObservableCollection<BurstDescriptor>(processDescriptor.BurstSequence);
List<BurstDescriptor> burstsWithIllegalResourceList = new List<BurstDescriptor>();
foreach (BurstDescriptor burst in BurstSequence)
{
if (burst.BurstTime <= 0)
{
burstsWithIllegalResourceList.Add(burst);
break;
}
if (burst.GetType() == typeof(IoBurstAsynchronousDescriptor)
|| burst.GetType() == typeof(IoBurstSynchronousDescriptor))
{
IoBurstDescriptor burstToCheckResource = (IoBurstDescriptor)burst;
bool isResourceDefined = false;
foreach (Resource resource in Resources)
{
if (resource.ResourceName.Equals(burstToCheckResource.ResourceName))
{
isResourceDefined = true;
break;
}
}
if (! isResourceDefined)
{
burstsWithIllegalResourceList.Add(burst);
}
}
}
foreach (BurstDescriptor illegalBurst in burstsWithIllegalResourceList)
{
BurstSequence.Remove(illegalBurst);
}
// alapértékek beállítása az esetlegesen módosított BurstSequence alapján
cpuTimeLeft = asynchronousTimeRunned = synchronousTimeRunned = 0;
cpuTimeLeft = asynchronousTimeLeft = synchronousTimeLeft = 0;
foreach (CpuBurstDescriptor burst in BurstSequence.OfType<CpuBurstDescriptor>())
{
cpuTimeLeft += burst.BurstTime;
}
foreach (IoBurstAsynchronousDescriptor burst in BurstSequence.OfType<IoBurstAsynchronousDescriptor>())
{
asynchronousTimeLeft += burst.BurstTime;
}
foreach (IoBurstSynchronousDescriptor burst in BurstSequence.OfType<IoBurstSynchronousDescriptor>())
{
synchronousTimeLeft += burst.BurstTime;
}
}