private QVTTemplate.IObjectTemplateExp ConstructObjectTemplateExp(QVTRelations.IRelation relation, QVTRelations.IDomainPattern domainPattern, EnAr.Element objectElement, ISet <EnAr.Connector> visitedConnectors = null)
{
EssentialOCL.IVariable variable = null;
EMOF.IType type = emofImporter.ConstructTypeOfTyped(objectElement);
// TODO manage the not ?
if (objectElement.Name != "{not}")
{
variable = ConstructVariable(relation, objectElement);
domainPattern?.BindsTo.Add(variable);
}
QVTTemplate.IObjectTemplateExp objectTemplateExp = new QVTTemplate.ObjectTemplateExp()
{
BindsTo = variable,
ReferredClass = type as EMOF.IClass,
Where = null // TODO
};
objectTemplateExp.SetAntiTemplate(variable == null);
objectElementToObjectTemplate.Add(objectElement, objectTemplateExp);
foreach (RunStateField runStateField in EnArExplorer.GetRunState(objectElement))
{
ConstructPropertyTemplateItem(relation, domainPattern, objectTemplateExp, runStateField);
}
foreach (EnAr.Connector connector in explorer.GetConnectorsLinkedTo(objectElement).FindAll(c => c.Stereotype != "qvtTransformationLink"))
{
Tuple <EnAr.ConnectorEnd, EnAr.Element> linked = explorer.GetElementOppositeTo(objectElement, connector);
EnAr.ConnectorEnd connectorEnd = linked.Item1;
EnAr.Element linkedElement = linked.Item2;
//if (!string.IsNullOrWhiteSpace(connectorEnd.Role))
//{
ConstructPropertyTemplateItem(relation, domainPattern, objectTemplateExp, connector, connectorEnd, linkedElement, visitedConnectors);
//}
}
return(objectTemplateExp);
}
private EMOF.IProperty ConstructProperty(EMOF.IClass source, EMOF.IClass target, EnAr.ConnectorEnd sourceC, EnAr.ConnectorEnd targetC)
{
if (!string.IsNullOrWhiteSpace(targetC.Role))
{
EMOF.IProperty property = new EMOF.Property()
{
Name = targetC.Role,
Type = target,
IsComposite = sourceC.Aggregation > 0,
Class = source,
IsDerived = targetC.Derived,
IsUnique = !targetC.AllowDuplicates,
Lower = TranslateMultiplicityLower(targetC.Cardinality),
Upper = TranslateMultiplicityUpper(targetC.Cardinality),
};
source.OwnedAttribute.Add(property);
return(property);
}
return(null);
}
private QVTTemplate.IPropertyTemplateItem ConstructPropertyTemplateItem(QVTRelations.IRelation relation, QVTRelations.IDomainPattern domainPattern, QVTTemplate.IObjectTemplateExp objectTemplateExp, EnAr.Connector connector, EnAr.ConnectorEnd connectorEnd, EnAr.Element linkedElement, ISet <EnAr.Connector> visitedConnectors)
{
EssentialOCL.IOclExpression value;
EMOF.IType type;
QVTTemplate.IObjectTemplateExp targetObjectTemplateExp;
ISet <EnAr.Connector> realVisitedConnectors = visitedConnectors ?? new HashSet <EnAr.Connector>();
ISet <EnAr.Connector> realVisitedConnectorsPropagated = new HashSet <EnAr.Connector>(realVisitedConnectors);
realVisitedConnectorsPropagated.Add(connector);
// Case cycle among object templates: simple variable expression
if (objectElementToObjectTemplate.ContainsKey(linkedElement))
{
targetObjectTemplateExp = objectElementToObjectTemplate[linkedElement];
EssentialOCL.IVariable existingVariable = targetObjectTemplateExp.BindsTo;
value = new EssentialOCL.VariableExp()
{
ReferredVariable = existingVariable
};
type = existingVariable.Type;
}
// Case no cycle; recursive creation of object template
else
{
targetObjectTemplateExp = ConstructObjectTemplateExp(relation, domainPattern, linkedElement, realVisitedConnectorsPropagated);
value = targetObjectTemplateExp;
type = ((QVTTemplate.IObjectTemplateExp)value).BindsTo.Type;
}
EMOF.IProperty property = null;
// If the connector end has a role, we use it to find the corresponding EMOF property
if (!string.IsNullOrWhiteSpace(connectorEnd.Role))
{
property = objectTemplateExp.ReferredClass.GetAllInheritedAttributes().Single(p => p.Name == connectorEnd.Role);
}
// If the connector end has no role (due to the else)
// AND if we haven't visited the connector yet
// AND if the connector has no roles whatsoever, we try to guess the type
else if (!realVisitedConnectors.Contains(connector) && connector.ClientEnd.Role.IsNullOrEmpty() && connector.SupplierEnd.Role.IsNullOrEmpty())
{
IList <EMOF.IProperty> candidateProperties = objectTemplateExp.ReferredClass.GetAllInheritedAttributes().Where(p =>
(p.Type as EMOF.IClass)?.GetAllSubTypes().Contains(type) ?? p.Type == type).ToList();
if (candidateProperties.Count == 0)
{
throw new InvalidQVTRelationsModelException("Relation " + relation.Name
+ ", invalid property connector between " + objectTemplateExp.BindsTo.Name + " and " + targetObjectTemplateExp.BindsTo.Name
+ ", no possible property", connector);
}
if (candidateProperties.Count > 1)
{
throw new InvalidQVTRelationsModelException("Relation " + relation.Name
+ ", ambiguous property connector between " + objectTemplateExp.BindsTo.Name + " and " + targetObjectTemplateExp.BindsTo.Name
+ ", cannot choose a property between the following: [" + string.Join(";", candidateProperties.Select(p => p.Name)) + "]", connector);
}
property = candidateProperties.Single();
}
QVTTemplate.PropertyTemplateItem propertyTemplateItem = null;
if (property != null)
{
propertyTemplateItem = new QVTTemplate.PropertyTemplateItem()
{
ReferredProperty = property,
Value = value,
IsOpposite = false, // TODO?
ObjContainer = objectTemplateExp
};
}
return(propertyTemplateItem);
}
