private static void AssignAnyMismatchedExplicitTransitiveForeignKeyValues(object obj, IList <Tuple <object, DtoMetadata> > ancestors,
ForeignKeyReferenceAttribute fkAttribute, Type propertyType, PropertyMetadata property)
{
var targetObjectType = fkAttribute.ReferencedDto;
// We don't look at the immediate ancestor because such links should already
// have been wired up; we're only looking for possible target types further
// back up the chain of ancestors.
if (ancestors.Count > 2)
{
for (var index = ancestors.Count - 3; index >= 0; --index)
{
var ancestor = ancestors[index];
var ancestorMetadata = ancestor.Item2;
if (ancestorMetadata.DtoType != targetObjectType)
{
continue;
}
var ancestorPkColumn = ancestorMetadata.PrimaryKey;
if (ancestorPkColumn == null)
{
// There's nothing we can assign to the foreign key value for any
// ancestor of the expected type.
break;
}
if (!propertyType.IsAssignableFrom(ancestorPkColumn.Prop.PropertyType))
{
continue;
}
var pkValue = ancestorMetadata.GetPrimaryKeyValueAsObject(ancestor);
var fkValue = property.Prop.GetValue(obj);
if (pkValue != fkValue &&
(pkValue == null || fkValue == null || !pkValue.Equals(fkValue)))
{
property.SetValue(obj, pkValue);
}
}
}
}
private static void AssignAnyMismatchedExplicitTransitiveForeignKeyValues(object obj, IList<Tuple<object, DtoMetadata>> ancestors,
ForeignKeyReferenceAttribute fkAttribute, Type propertyType, PropertyMetadata property)
{
var targetObjectType = fkAttribute.ReferencedDto;
// We don't look at the immediate ancestor because such links should already
// have been wired up; we're only looking for possible target types further
// back up the chain of ancestors.
if (ancestors.Count > 2)
{
for (var index = ancestors.Count - 3; index >= 0; --index)
{
var ancestor = ancestors[index];
var ancestorMetadata = ancestor.Item2;
if (ancestorMetadata.DtoType != targetObjectType)
{
continue;
}
var ancestorPkColumn = ancestorMetadata.PrimaryKey;
if (ancestorPkColumn == null)
{
// There's nothing we can assign to the foreign key value for any
// ancestor of the expected type.
break;
}
if (!propertyType.IsAssignableFrom(ancestorPkColumn.Prop.PropertyType))
{
continue;
}
var pkValue = ancestorMetadata.GetPrimaryKeyValueAsObject(ancestor);
var fkValue = property.Prop.GetValue(obj);
if (pkValue != fkValue
&& (pkValue == null || fkValue == null || !pkValue.Equals(fkValue)))
{
property.SetValue(obj, pkValue);
}
}
}
}
