Example #1
0
 internal void SetFromAndToAssociationEnds(ResourceAssociationEnd fromEnd, ResourceAssociationEnd toEnd)
 {
     _fromEnd = fromEnd;
     _toEnd   = toEnd;
 }
Example #2
0
        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);
                }
            }
        }