/// <summary>
/// Returns the subtype of the EntityType in the current itemCollection
/// </summary>
public IEnumerable<EntityType> GetSubtypesOf(EntityType type, ItemCollection itemCollection, bool includeAbstractTypes)
{
if (type != null)
{
IEnumerable<EntityType> typesInCollection = itemCollection.GetItems<EntityType>();
foreach (EntityType typeInCollection in typesInCollection)
{
if (type.Equals(typeInCollection) == false && this.IsSubtypeOf(typeInCollection, type))
{
if (includeAbstractTypes || !typeInCollection.Abstract)
{
yield return typeInCollection;
}
}
}
}
}
private static IEnumerable<EntityType> GetTypeAndSubtypesOf(EntityType entityType, EdmItemCollection itemCollection)
{
// Always include the specified type, even if it's abstract
yield return entityType;
// Get the subtypes of the type from the item collection
IEnumerable<EntityType> entityTypesInCollection = itemCollection.OfType<EntityType>();
foreach (EntityType typeInCollection in entityTypesInCollection)
{
if (entityType.Equals(typeInCollection) == false && IsStrictSubtypeOf(typeInCollection, entityType))
{
yield return typeInCollection;
}
}
yield break;
}