IList IListSource.GetList()
{
EntityType rootEntityType = null;
if (WrappedOwner.Entity != null)
{
EntitySet singleEntitySet = null;
// if the collection is attached, we can use metadata information; otherwise, it is unavailable
if (null != RelationshipSet)
{
singleEntitySet = ((AssociationSet)RelationshipSet).AssociationSetEnds[ToEndMember.Name].EntitySet;
var associationEndType = (EntityType)((RefType)(ToEndMember).TypeUsage.EdmType).ElementType;
var entitySetType = singleEntitySet.ElementType;
// the type is constrained to be either the entitySet.ElementType or the end member type, whichever is most derived
if (associationEndType.IsAssignableFrom(entitySetType))
{
// entity set exposes a subtype of the association
rootEntityType = entitySetType;
}
else
{
// use the end type otherwise
rootEntityType = associationEndType;
}
}
}
return(ObjectViewFactory.CreateViewForEntityCollection(rootEntityType, this));
}
IList IListSource.GetList()
{
EntityType entityType = (EntityType)null;
if (this.WrappedOwner.Entity != null)
{
if (this.RelationshipSet != null)
{
EntitySet entitySet = ((AssociationSet)this.RelationshipSet).AssociationSetEnds[this.ToEndMember.Name].EntitySet;
EntityType elementType1 = (EntityType)((RefType)this.ToEndMember.TypeUsage.EdmType).ElementType;
EntityType elementType2 = entitySet.ElementType;
entityType = !elementType1.IsAssignableFrom((EdmType)elementType2) ? elementType1 : elementType2;
}
}
return((IList)ObjectViewFactory.CreateViewForEntityCollection <TEntity>(entityType, this));
}
