private QVTRelations.IDomainPattern ConstructDomainPattern(QVTRelations.IRelation relation, EnAr.Element domainObjectElement)
{
QVTRelations.IDomainPattern domainPattern = new QVTRelations.DomainPattern()
{
// Predicate = null, // TODO
};
QVTTemplate.IObjectTemplateExp objectTemplateExp = ConstructObjectTemplateExp(relation, domainPattern, domainObjectElement);
domainPattern.TemplateExpression = objectTemplateExp;
return(domainPattern);
}
private static ISet <EMOF.IClass> FindAllClassesUsedByObjectTemplate(QVTTemplate.IObjectTemplateExp objectTemplateExp, ISet <QVTTemplate.IObjectTemplateExp> alreadyDone = null)
{
ISet <EMOF.IClass> result = new HashSet <EMOF.IClass>();
if (alreadyDone == null)
{
alreadyDone = new HashSet <QVTTemplate.IObjectTemplateExp>();
}
if (!alreadyDone.Contains(objectTemplateExp))
{
result.Add(objectTemplateExp.ReferredClass);
foreach (QVTTemplate.IObjectTemplateExp templateExp in objectTemplateExp.Part.Select(p => p.Value).OfType <QVTTemplate.IObjectTemplateExp>())
{
result.UnionWith(FindAllClassesUsedByObjectTemplate(templateExp, alreadyDone));
}
}
return(result);
}
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);
}
private QVTTemplate.IPropertyTemplateItem ConstructPropertyTemplateItem(QVTRelations.IRelation relation, QVTRelations.IDomainPattern domainPattern, QVTTemplate.IObjectTemplateExp objectTemplateExp, RunStateField runStateField)
{
ISet <EMOF.IProperty> atts = objectTemplateExp.ReferredClass.GetAllInheritedAttributes();
EMOF.IProperty property = atts.Single(p => string.Equals(p.Name, runStateField.Variable, StringComparison.CurrentCultureIgnoreCase));
QVTTemplate.IPropertyTemplateItem propertyTemplateItem = null;
if (property != null)
{
EssentialOCL.IOclExpression expression = ConstructOCLExpression(relation, runStateField.Value, domainPattern, property.Type);
propertyTemplateItem = new QVTTemplate.PropertyTemplateItem()
{
ReferredProperty = property,
Value = expression,
IsOpposite = false, // TODO?
ObjContainer = objectTemplateExp
};
}
return(propertyTemplateItem);
}