public virtual DbItem GetOrCreateItem(int? fromId, string identifier)
{
var relation = GetRelation(fromId, identifier);
if (relation != null && relation.ToId == null)
{
Delete(relation);
relation = null;
}
if (relation == null)
{
var item = new DbItem();
Insert(item);
Insert(new DbRelation
{
FromId = fromId,
Identifier = identifier,
ToId = item.Id
});
return item;
}
return GetItem(relation.ToId.Value);
}
public abstract void Update(DbItem item);
public abstract void Insert(DbItem item);
public abstract void Delete(DbItem item);
public abstract void Delete(DbItem item);
public abstract void Update(DbItem item);
public abstract void Insert(DbItem item);