/// <summary>
/// Initializes a new instance of this class.
/// Used internally to initialize the structure on materialization.
/// </summary>
/// <param name="owner">The owner of this instance.</param>
/// <param name="field">The owner field that describes this instance.</param>
protected Structure(Persistent owner, FieldInfo field)
: base(owner.Session)
{
try {
typeInfo = GetTypeInfo();
Owner = owner;
Field = field;
if (owner == null || field == null)
{
tuple = typeInfo.TuplePrototype.Clone();
}
else
{
tuple = field.ExtractValue(
new ReferencedTuple(() => Owner.Tuple));
}
SystemBeforeInitialize(true);
InitializeOnMaterialize();
}
catch (Exception error) {
InitializationErrorOnMaterialize(error);
throw;
}
}
internal static void ExecuteOnValidate(Persistent target)
{
target.OnValidate();
}
private static Key GetOwnerKey(Persistent owner)
{
return(owner is IFieldValueAdapter asFieldValueAdapter
? GetOwnerKey(asFieldValueAdapter.Owner)
: ((Entity)owner).Key);
}