public void RelateEntities <T1, T2>(
T1 entity1,
T2 entity2,
string entity1NavigationPropertyName,
string entity2NavigationPropertyName,
RelationshipCardinality cardinality)
{
switch (cardinality)
{
case RelationshipCardinality.OneToOne:
this.SetLink(entity1, entity1NavigationPropertyName, entity2);
this.SetLink(entity2, entity2NavigationPropertyName, entity1);
break;
case RelationshipCardinality.OneToMany:
this.AddLink(entity1, entity1NavigationPropertyName, entity2);
this.SetLink(entity2, entity2NavigationPropertyName, entity1);
break;
case RelationshipCardinality.ManyToOne:
this.SetLink(entity1, entity1NavigationPropertyName, entity2);
this.AddLink(entity2, entity2NavigationPropertyName, entity1);
break;
case RelationshipCardinality.ManyToMany:
this.AddLink(entity1, entity1NavigationPropertyName, entity2);
this.AddLink(entity2, entity2NavigationPropertyName, entity1);
break;
}
}
// PUBLIC CONSTRUCTORS //////////////////////////////////////////////
#region Constructors
public RelationshipInfoBuilder(string rel, Type toClrType, RelationshipCardinality toCardinality)
{
Contract.Requires(String.IsNullOrWhiteSpace(rel) == false);
Contract.Requires(toClrType != null);
var relationshipInfoFactory = CreateRelationshipInfoFactory(rel, toClrType, toCardinality);
this.RelationshipInfoFactory = relationshipInfoFactory;
}
public IRelationshipInfoBuilder <TResource> ToOneRelationship <TToResource>(string rel)
where TToResource : class
{
Contract.Requires(String.IsNullOrWhiteSpace(rel) == false);
var toClrType = typeof(TToResource);
const RelationshipCardinality toCardinality = RelationshipCardinality.ToOne;
return(this.CreateRelationshipInfoBuilder(rel, toClrType, toCardinality));
}
public ChildRelationshipAttribute(Type childType, RelationshipCardinality cardinality = RelationshipCardinality.OneToMany, string childIdentifyingPropertyName = "", object childIdentifyingPropertyValue = null)
{
// childType must implement IBlueSphereEntity
//Contract.Requires<ArgumentException>(typeof(IBlueSphereEntity).GetTypeInfo().IsAssignableFrom(childType.GetTypeInfo()),
// "ChildRelationshipAttribute should only apply to types that implement IBluesphereEntity");
ChildType = childType;
ChildIdentifyingPropertyName = childIdentifyingPropertyName;
ChildIdentifyingPropertyValue = childIdentifyingPropertyValue;
Cardinality = cardinality;
}
// PUBLIC CONSTRUCTORS //////////////////////////////////////////////
#region Constructors
public RelationshipInfo(string rel, string apiRelPathSegment, Type toClrType, RelationshipCardinality toCardinality, RelationshipCanonicalRelPathMode toCanonicalRelPathMode)
{
Contract.Requires(String.IsNullOrWhiteSpace(rel) == false);
Contract.Requires(String.IsNullOrWhiteSpace(apiRelPathSegment) == false);
Contract.Requires(toClrType != null);
this.Rel = rel;
this.ApiRelPathSegment = apiRelPathSegment;
this.ToClrType = toClrType;
this.ToCardinality = toCardinality;
this.ToCanonicalRelPathMode = toCanonicalRelPathMode;
}
private IRelationshipInfoBuilder <TResource> CreateRelationshipInfoBuilder(string rel, Type toClrType, RelationshipCardinality toCardinality)
{
Contract.Requires(String.IsNullOrWhiteSpace(rel) == false);
Contract.Requires(toClrType != null);
this.RelationshipInfoBuilderDictionary = this.RelationshipInfoBuilderDictionary ?? new Dictionary <string, RelationshipInfoBuilder <TResource> >();
this.RelationshipInfoBuilderOrder = this.RelationshipInfoBuilderOrder ?? new List <string>();
RelationshipInfoBuilder <TResource> relationshipInfoConfiguration;
if (this.RelationshipInfoBuilderDictionary.TryGetValue(rel, out relationshipInfoConfiguration))
{
return(relationshipInfoConfiguration);
}
relationshipInfoConfiguration = new RelationshipInfoBuilder <TResource>(rel, toClrType, toCardinality);
this.RelationshipInfoBuilderDictionary.Add(rel, relationshipInfoConfiguration);
this.RelationshipInfoBuilderOrder.Add(rel);
return(relationshipInfoConfiguration);
}
// PRIVATE METHODS //////////////////////////////////////////////////
#region Methods
private static Func <RelationshipInfo> CreateRelationshipInfoFactory(string rel, Type toClrType, RelationshipCardinality toCardinality)
{
Contract.Requires(String.IsNullOrWhiteSpace(rel) == false);
Contract.Requires(toClrType != null);
return(() => new RelationshipInfo(rel, rel, toClrType, toCardinality, default(RelationshipCanonicalRelPathMode)));
}
