public void PerformAddOrUpdate(IReferenceByHiveId entity)
{
Mandate.ParameterNotNull(entity, "entity");
if (!entity.Id.IsNullValueOrEmpty())
{
AddToCache(entity);
}
}
/// <summary>
/// Iterates through all identifiable items in the object graph and assigns Ids to entities that don't have an id assigned using the idGenerator.
/// </summary>
/// <param name="obj"></param>
/// <param name="idGenerator"></param>
public static void AssignIds(this IReferenceByHiveId obj, Func <HiveId> idGenerator)
{
//get all identifiable entities that don't have ids assigned
var entities = (from all in obj.GetAllIdentifiableItems()
where all.Id.IsNullValueOrEmpty()
select all).ToArray();
//now that we have a unique list of all new entities that reqiure ids, lets generate them
foreach (var e in entities)
{
//ensure we're not re-creating an id for the same entity
if (e.Id.IsNullValueOrEmpty())
{
e.Id = idGenerator();
}
}
}
private HiveId GetFromEntityOrEmpty(IReferenceByHiveId entity)
{
return(entity == null ? HiveId.Empty : entity.Id);
}
/// <summary>
/// Returns a list of all associated IReferenceByHiveId entities associated with the entity type passed
/// in. This will recusively find all entities attached to the item.
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public static IEnumerable <IReferenceByHiveId> GetAllIdentifiableItems(this IReferenceByHiveId item)
{
if (item == null)
{
yield break;
}
var type = item.GetType();
yield return(item);
if (TypeFinder.IsTypeAssignableFrom <TypedEntity>(type))
{
var casted = (TypedEntity)item;
foreach (var allIdentifiableItem in casted.EntitySchema.GetAllIdentifiableItems())
{
yield return(allIdentifiableItem);
}
foreach (var attribute in casted.Attributes)
{
yield return(attribute);
foreach (var allIdentifiableItem in attribute.AttributeDefinition.GetAllIdentifiableItems())
{
yield return(allIdentifiableItem);
}
}
}
if (TypeFinder.IsTypeAssignableFrom <EntitySchema>(type))
{
var casted = (EntitySchema)item;
foreach (var attributeDefinition in casted.AttributeDefinitions)
{
// Don't call back into GetAllIdentifiable items here, rather
// separately iterate through the types and groups explicitly set
// on the Schema to include those that aren't tied to an attribute definition
yield return(attributeDefinition);
}
foreach (var attributeType in casted.AttributeTypes)
{
yield return(attributeType);
}
foreach (var attributeGroup in casted.AttributeGroups)
{
yield return(attributeGroup);
}
}
if (TypeFinder.IsTypeAssignableFrom <TypedAttribute>(type))
{
var casted = (TypedAttribute)item;
foreach (var allIdentifiableItem in casted.AttributeDefinition.GetAllIdentifiableItems())
{
yield return(allIdentifiableItem);
}
}
if (TypeFinder.IsTypeAssignableFrom <AttributeDefinition>(type))
{
var casted = (AttributeDefinition)item;
yield return(casted);
yield return(casted.AttributeType);
if (casted.AttributeGroup != null)
{
yield return(casted.AttributeGroup);
}
}
}
