// create object from entity
protected internal virtual TObject CreateBusinessObject <TObject, TEntry, TKey>(BusinessObjectFactory <TObject, TEntry, TKey> factory, TEntry entry)
where TObject : BusinessObject <TEntry, TKey>
where TEntry : class
{
if (factory is null)
{
throw new ArgumentNullException(nameof(factory));
}
if (entry is null)
{
throw new ArgumentNullException(nameof(entry));
}
return((TObject)_entries.GetOrAdd(entry, k => factory.CreateInstance(this, entry)));
}
