internal void SetFromAndToAssociationEnds(ResourceAssociationEnd fromEnd, ResourceAssociationEnd toEnd)
{
_fromEnd = fromEnd;
_toEnd = toEnd;
}
public virtual void InferAssociations()
{
//Pull off any assoications bound to the properties
foreach (ResourceProperty p in this.Properties)
{
//Skip associations on properties on basetypes, we don't need duplicate associations
/*if(this.BaseType!=null)
* {
* int basePropertyCount = this.BaseType.Properties.OfType<ResourceProperty>().Where(baseProp => baseProp.Name.Equals(p.Name)).Count();
* if (basePropertyCount > 0)
* continue;
* }*/
ResourceAssociation[] associations = p._other.OfType <ResourceAssociation>().ToArray();
ResourceAssociationEnd[] associationEnds = p._other.OfType <ResourceAssociationEnd>().ToArray();
ResourceAssociationEnd fromEnd = null;
ResourceAssociationEnd toEnd = null;
if (associationEnds.Count() == 2)
{
fromEnd = associationEnds[0];
toEnd = associationEnds[1];
}
NodeType subtype = p.Type is CollectionType ? ((CollectionType)p.Type).SubType : p.Type;
if (associations.Length == 0 && subtype is ResourceType)
{
//Inferred Association (ie: Navigation property), with no mappings
//To specify mappings, explicitly use an association
this.Relations.Add(
Resource.Association(this.Name + p.Name, //AssociationName
Resource.End(this.Name, this, this.Facets.Nullable ? Multiplicity.Zero : Multiplicity.One),
Resource.End(p.Name, (ResourceType)subtype, p.Type is CollectionType ? Multiplicity.Many : (p.Facets.Nullable ? Multiplicity.Zero : Multiplicity.One))
)
);
}
else
{
//Updated specfied with Associations, with any missing data
foreach (ResourceAssociation a in associations)
{
//Name (ie: Default)
if (a.Name == null)
{
a.Name = this.Name + p.Name;
}
//End1
ResourceAssociationEnd e1 = a.Source;
e1.ResourceType = e1.ResourceType ?? this;
e1.Name = e1.Name ?? this.Name;
e1.Multiplicity = e1.Multiplicity ?? (this.Facets.Nullable ? Multiplicity.Zero : Multiplicity.One);
//End2
ResourceAssociationEnd e2 = a.Target;
e2.ResourceType = e2.ResourceType ?? (ResourceType)subtype;
e2.Name = e2.Name ?? p.Name;
e2.Multiplicity = e2.Multiplicity ?? (p.Type is CollectionType ? Multiplicity.Many : (p.Facets.Nullable ? Multiplicity.Zero : Multiplicity.One));
this.Relations.Add(a);
}
}
if (fromEnd != null && toEnd != null)
{
p.SetFromAndToAssociationEnds(fromEnd, toEnd);
}
}
}