public AttributeValue GetAttributeValueByAttributeIdentifier(string attributeID)
{
// Find FeatureSelection which the appropriate AttributeValue
FeatureSelection featureSelection = featureSelections.FirstOrDefault(f => f.AttributeValues.FirstOrDefault(x => x.AttributeIdentifier == attributeID) != null);
AttributeValue attributeValue = featureSelection.AttributeValues.FirstOrDefault(x => x.AttributeIdentifier == attributeID);
return(attributeValue);
}
// Private methods
private List <FeatureSelection> GetDescendantFeatureSelections_Recursive(FeatureSelection target)
{
List <FeatureSelection> childFeatureSelections = target.GetAllChildrenFeatureSelectionsIncludingFromChildGroups();
List <FeatureSelection> descendants = new List <FeatureSelection>(childFeatureSelections);
foreach (FeatureSelection childFeatureSel in childFeatureSelections)
{
descendants.AddRange(this.GetDescendantFeatureSelections_Recursive(childFeatureSel));
}
return(descendants);
}
private FeatureSelection CreateFeatureSelection_Shallow(Feature feature)
{
// Set properties
FeatureSelection newFeatureSelection = new FeatureSelection()
{
FeatureName = feature.Name,
FeatureIdentifier = feature.Identifier,
SelectionState = FeatureSelectionStates.Unselected
};
// Create attributes
foreach (Modelling.BLOs.Attribute attr in feature.Attributes)
{
newFeatureSelection.AttributeValues.Add(CreateAttributeValue(attr));
}
return(newFeatureSelection);
}
// Public methods
public ConfigurationInstance Create_ConfigurationInstance_FromModel(Model model)
{
// Get the root feature
Feature rootFeature = model.Features.Where(f =>
!model.Relations.Exists(r => r.ChildFeature == f) &&
!model.GroupRelations.Exists(gr => gr.ChildFeatures.Contains(f))
).SingleOrDefault();
// Create FeatureSelections
List <FeatureSelection> featureSelectionsList = new List <FeatureSelection>();
FeatureSelection rootFeatureSelection = CreateFeatureSelection_Recursive(rootFeature, model, ref featureSelectionsList);
// Create a new ConfigurationInstance
ConfigurationInstance newConfigInstance = new ConfigurationInstance(rootFeatureSelection, featureSelectionsList);
newConfigInstance.ModelName = model.Name;
return(newConfigInstance);
}
// Public methods
public List <FeatureSelection> ToggleFeatureAsUser(string featureIdentifier)
{
// Variables
FeatureSelection toggledFeatureSelection = this.configurationInstance.FeatureSelections.Single(f => f.FeatureIdentifier == featureIdentifier);
FeatureSelectionStates newSelectionState = GetNextSelectionStateOnToggle(toggledFeatureSelection.SelectionState);
// Set the new selectionState, adding it as a decision to the SolverContext
switch (newSelectionState)
{
// Assert-decision -> Selected
case FeatureSelectionStates.Selected:
solverContext.AddOrModifyDecisionAssumption(toggledFeatureSelection.FeatureIdentifier, true, typeof(FeatureSelection));
toggledFeatureSelection.SelectionState = FeatureSelectionStates.Selected;
toggledFeatureSelection.ToggledByUser = true;
break;
// Assert-decision -> Deselected
case FeatureSelectionStates.Deselected:
solverContext.AddOrModifyDecisionAssumption(toggledFeatureSelection.FeatureIdentifier, false, typeof(FeatureSelection));
toggledFeatureSelection.SelectionState = FeatureSelectionStates.Deselected;
toggledFeatureSelection.ToggledByUser = true;
break;
// Retract-decision -> Unselected
case FeatureSelectionStates.Unselected:
solverContext.RemoveDecisionAssumption(toggledFeatureSelection.FeatureIdentifier, typeof(FeatureSelection));
toggledFeatureSelection.SelectionState = FeatureSelectionStates.Unselected;
toggledFeatureSelection.ToggledByUser = false;
break;
}
// Call feedback algorithm and then recalculate all custom functions
List <FeatureSelection> changedFeatureSelections = new List <FeatureSelection>();
bool decisionIsValid = ApplyFeedbackAlgorithm(ref changedFeatureSelections);
RecalculateCustomFunctions(ref changedFeatureSelections);
//
return(changedFeatureSelections);
}
private FeatureSelection CreateFeatureSelection_Recursive(Feature feature, Model model, ref List <FeatureSelection> featureSelectionsList)
{
// 1. Create FeatureSelection with base properties and AttributeValues
FeatureSelection newFeatureSelection = CreateFeatureSelection_Shallow(feature);
// 2. Create child FeatureSelections
var childFeatures = model.Features.Where(ft =>
model.Relations.Exists(rel => rel.ChildFeature == ft && rel.ParentFeature == feature)
).ToList();
foreach (Feature childFeature in childFeatures)
{
newFeatureSelection.ChildFeatureSelections.Add(CreateFeatureSelection_Recursive(childFeature, model, ref featureSelectionsList));
}
// 3. Create child Groups and their FeatureSelections
var childGroupRelations = model.GroupRelations.Where(groupRel => groupRel.ParentFeature == feature).ToList();
foreach (GroupRelation groupRelation in childGroupRelations)
{
Group newGroup = new Group();
newGroup.GroupRelationType = groupRelation.GroupRelationType;
var childGroupFeatures = model.Features.Where(ft =>
model.GroupRelations.Exists(groupRel => groupRel.ParentFeature == feature && groupRel.ChildFeatures.Contains(ft))
).ToList();
foreach (Feature childGroupFeature in childGroupFeatures)
{
newGroup.InnerFeatureSelections.Add(CreateFeatureSelection_Recursive(childGroupFeature, model, ref featureSelectionsList));
}
newFeatureSelection.ChildGroups.Add(newGroup);
}
featureSelectionsList.Add(newFeatureSelection);
return(newFeatureSelection);
}
public List <FeatureSelection> GetDescendantFeatureSelections(FeatureSelection targetFeatureSelection)
{
var descendantFeatureSelections = GetDescendantFeatureSelections_Recursive(targetFeatureSelection);
return(descendantFeatureSelections);
}
// Public Methods
public FeatureSelection GetFeatureSelectionByFeatureIdentifier(string featureID)
{
FeatureSelection featureSelection = featureSelections.FirstOrDefault(x => x.FeatureIdentifier == featureID);
return(featureSelection);
}
// Constructor
public ConfigurationInstance(FeatureSelection rootFeatureSelection, List <FeatureSelection> featureSelections)
{
this.rootFeatureSelection = rootFeatureSelection;
this.featureSelections = featureSelections;
}
