CombinationSelection_C(EMVTerminalPreProcessingStateEnum parent)
{
Tuple <EMVTerminalProcessingOutcome,
EMVSelectApplicationResponse,
TerminalSupportedKernelAidTransactionTypeCombination,
CardKernelAidCombination,
List <Tuple <TerminalSupportedKernelAidTransactionTypeCombination, CardKernelAidCombination> > > result;
switch (parent)
{
case EMVTerminalPreProcessingStateEnum.Preprocessing_StartA:
result = EMVContactCombinationSelection.CombinationSelection_FromA(cardQProcessor, uiProvider);
lastCandidateSelected = Tuple.Create(result.Item1, result.Item2, result.Item3, result.Item4);
break;
case EMVTerminalPreProcessingStateEnum.ProtocolActivation_StartB:
result = EMVContactCombinationSelection.CombinationSelection_FromB(cardQProcessor, lastCandidateSelected, candidates, uiProvider);
break;
case EMVTerminalPreProcessingStateEnum.CombinationSelection_StartC:
preProcessingValues.RemoveAll(x => ((TerminalSupportedContactKernelAidTransactionTypeCombination)x.Item1).AIDEnum == ((TerminalSupportedContactKernelAidTransactionTypeCombination)lastCandidateSelected.Item3).AIDEnum);
candidates.RemoveAll(x => ((TerminalSupportedContactKernelAidTransactionTypeCombination)x.Item1).AIDEnum == ((TerminalSupportedContactKernelAidTransactionTypeCombination)lastCandidateSelected.Item3).AIDEnum);
result = EMVContactCombinationSelection.CombinationSelection_FromC(cardQProcessor, candidates, uiProvider);
lastCandidateSelected = Tuple.Create(result.Item1, result.Item2, result.Item3, result.Item4);
break;
default:
throw new EMVProtocolException("unimplemeted TerminalPreProcessingStateEnum in CombinationSelection");
}
if (result.Item1.NextProcessState == EMVTerminalPreProcessingStateEnum.EndProcess)
{
return(Tuple.Create(result.Item1, (EMVSelectApplicationResponse)null, (TerminalSupportedKernelAidTransactionTypeCombination)null, (CardKernelAidCombination)null, (EntryPointPreProcessingIndicators)null));
}
candidates = result.Item5;
TerminalSupportedKernelAidTransactionTypeCombination terminalCombinationForSelected = result.Item3;
List <Tuple <TerminalSupportedKernelAidTransactionTypeCombination, EntryPointPreProcessingIndicators> >
filteredIndicators = preProcessingValues.Where(x => (((TerminalSupportedContactKernelAidTransactionTypeCombination)x.Item1).AIDEnum == ((TerminalSupportedContactKernelAidTransactionTypeCombination)terminalCombinationForSelected).AIDEnum)).ToList();
if (filteredIndicators.Count == 0)
{
result.Item1.NextProcessState = EMVTerminalPreProcessingStateEnum.EndProcess;
return(Tuple.Create(result.Item1, result.Item2, result.Item3, result.Item4, (EntryPointPreProcessingIndicators)null));
}
EntryPointPreProcessingIndicators processingIndicatorsForSelected = filteredIndicators.Select(x => x.Item2).ToList().First();
return(Tuple.Create(result.Item1, result.Item2, result.Item3, result.Item4, processingIndicatorsForSelected));
}
protected override void DoEntryPointC(EMVTerminalPreProcessingStateEnum source)
{
Tuple <EMVTerminalProcessingOutcome, EMVSelectApplicationResponse, TerminalSupportedKernelAidTransactionTypeCombination, CardKernelAidCombination, EntryPointPreProcessingIndicators>
indicators = CombinationSelection_C(source);
switch (indicators.Item1.NextProcessState)
{
case EMVTerminalPreProcessingStateEnum.EndProcess:
OnProcessCompleted(indicators.Item1);
break;
case EMVTerminalPreProcessingStateEnum.KernelActivation_StartD:
DoEntryPointD(indicators);
break;
default:
throw new EMVProtocolException("unimplemeted TerminalPreProcessingStateEnum in DoEntryPointC");
}
}
protected override void DoEntryPointB(EMVTerminalPreProcessingStateEnum parent)
{
Task.Run(() =>
{
try
{
ProtocolActivation_B().ContinueWith((parentTask) =>
{
try
{
if (cancellationTokenForPreProcessing.Token.IsCancellationRequested)
{
cancellationTokenForPreProcessing.Dispose();
return;
}
switch (parent)
{
case EMVTerminalPreProcessingStateEnum.Preprocessing_StartA:
case EMVTerminalPreProcessingStateEnum.ProtocolActivation_StartB:
DoEntryPointC(parent);
break;
default:
throw new EMVProtocolException("unimplemeted TerminalPreProcessingStateEnum in DoEntryPointB");
}
}
catch (Exception ex)
{
OnExceptionOccured(ex);
}
}, TaskContinuationOptions.OnlyOnRanToCompletion);
}
catch (Exception ex)
{
OnExceptionOccured(ex);
}
});
}
protected abstract void DoEntryPointC(EMVTerminalPreProcessingStateEnum source);
protected abstract void DoEntryPointB(EMVTerminalPreProcessingStateEnum parent);