private int GetNumberOfInputsToBeRemoved(List <Set> outputsDependencies, IEnumerable <Data> removedInputs = null)
{
// Number of requested input to reverse in each requested output dependency set
IEnumerable <Data> inputs = removedInputs is null ? RequestedInputsToReverse : RequestedInputsToReverse.Except(removedInputs);
List <int> requestedInputsPerSet = CountElementsInSets(inputs, outputsDependencies);
// Check that at least Nin outputs map to at lest one input
IEnumerable <Data> unmmapedVariables = RequestedOutputsToReverse.Where((d, i) => requestedInputsPerSet[i] == 0);
return(unmmapedVariables.Count() - NoutRequest + inputs.Count());
}
private List <Set> GetDependencies()
{
//get the output dependencies
if (Type == ReversalType.Outputs)
{
return(RequestedOutputsToReverse.Select(o => GetDependenciesFromOutput(o)).ToList());
}
else
{
return(RequestedInputsToReverse.Select(i => GetDependenciesFromInput(i)).ToList());
}
}
private bool AllAddedVariablesDependenciesMappedFilter(Combination combination)
{
var addedVariables = new List <Data>();
foreach (Data element in combination)
{
if (!RequestedOutputsToReverse.Contains(element) && !IndependentInputs.Contains(element))
{
addedVariables.Add(element);
}
}
List <Data> addedVariablesDependencies = AccumulateDependencies(addedVariables.ToArray(), IndependentInputs);
int foundCounter = CountElementsInSet(addedVariablesDependencies, combination);
return(foundCounter >= addedVariables.Count);
}
private void CheckReversalRequestCorrectness()
{
// Check there are not more requested inputs than workflow inputs or outputa
if (NinRequest > Nin)
{
throw new ArgumentException($"The number of requested inputs is {NinRequest}, but the workflow contains only {Nin} inputs");
}
if (NinRequest > Nout)
{
throw new ArgumentException($"The number of requested inputs is {NinRequest}, but the workflow contains only {Nout} outputs");
}
// Check reversed inputs are amongst the workfolw inputs
var inputsHash = new HashSet <string>(workflow.ModelDataInputs.GetNames());
foreach (var data in this.RequestedInputsToReverse.GetNames())
{
if (!inputsHash.Contains(data))
{
throw new ArgumentException($"The requested input {data} is not amongst the workflow inputs");
}
}
// Check there are not more requested outputs than workflow workfolw outputs
if (NoutRequest > Nout)
{
throw new ArgumentException($"The number of requested outputs is {NoutRequest}, but the workflow contains only {Nout} outputs");
}
if (NoutRequest > Nin)
{
throw new ArgumentException($"The number of requested outputs is {NoutRequest}, but the workflow contains only {Nin} inputs");
}
// Check reversed outputs are amongst the workfolw outputs
var outputsHash = new HashSet <string>(workflow.ModelDataOutputs.GetNames());
foreach (var data in this.RequestedOutputsToReverse.GetNames())
{
if (!outputsHash.Contains(data))
{
throw new ArgumentException($"The requested input {data} is not amongst the workflow outputs");
}
}
if (NoutRequest > NinRequest)
{
Type = ReversalType.Outputs;
// Validate determined reversal
List <Set> outputsDependencies = GetDependencies();
// Number of requested input to reverse in each requested output dependency set
List <int> requestedInputsPerSet = CountElementsInSets(RequestedInputsToReverse, outputsDependencies);
// Check that at least Nin outputs map to at lest one input
IEnumerable <Data> unmmapedVariables = RequestedOutputsToReverse.Where((d, i) => requestedInputsPerSet[i] == 0);
if (unmmapedVariables.Count() > NoutRequest - NinRequest)
{
string unmmapedString = unmmapedVariables.Aggregate(String.Empty, (t, l) => t += l.Id + ", ", t => t.TrimEnd(' ', ','));
throw new ArgumentException($"Only {requestedInputsPerSet.Count - unmmapedVariables.Count()} outputs map to an input variable" +
$", however, {RequestedInputsToReverse.Length} outputs are needed.\n\r {unmmapedString} are the unmapped ones. Try fixing guidance");
}
}
else
{
Type = ReversalType.Inputs;
// Validate determined reversal
List <Set> outputsDependencies = GetDependencies();
// Number of requested output to reverse in each requested input dependency set
List <int> requestedOutputsPerSet = CountElementsInSets(RequestedOutputsToReverse, outputsDependencies);
// Check that at least Nin outputs map to at lest one input
IEnumerable <Data> unmmapedVariables = RequestedInputsToReverse.Where((d, i) => requestedOutputsPerSet[i] == 0);
if (unmmapedVariables.Count() > NinRequest - NoutRequest)
{
string unmmapedString = unmmapedVariables.Aggregate(String.Empty, (t, l) => t += l.Id + ", ", t => t.TrimEnd(' ', ','));
throw new ArgumentException($"Only {requestedOutputsPerSet.Count - unmmapedVariables.Count()} inputs map to an output variable" +
$", however, {RequestedOutputsToReverse.Length} inputs are needed.\n\r {unmmapedString} are the unmapped ones. Try fixing guidance");
}
}
}
private List <Set> GetInputDependencies() => RequestedOutputsToReverse.Select(i =>
{
HashSet <Data> set = dependencyAnalysis.BackwardTrace(i);
set.Remove(i); // removes element traced
return(set);
}).ToList();
private List <Set> GetOutputDependencies(Data[] independentVariables) => RequestedOutputsToReverse.Select(o => dependencyAnalysis.BackwardTrace(o, independentVariables)).ToList();
