public static IFullPropertyMetadata Nest <TParentEntity, TEntity>(
this IFullPropertyMetadata propertyMetadata,
Func <TParentEntity, TEntity?> parentGettter)
{
var propertyMetadataType = typeof(NestedPropertyMetadata <, ,>)
.MakeGenericType(typeof(TParentEntity), typeof(TEntity), propertyMetadata.PropertyType);
return(Activator.CreateInstance(propertyMetadataType, parentGettter, propertyMetadata) as IFullPropertyMetadata
?? throw new InvalidOperationException());
}
public NestedPropertyMetadata(
Func <TParentEntity, TEntity> parent,
IFullPropertyMetadata propertyMetadata)
{
PropertyType = propertyMetadata.PropertyType;
PropertyName = propertyMetadata.PropertyName;
Fingerprint = $"{propertyMetadata.Fingerprint}::{typeof(TParentEntity).Name}";
Getter = x =>
{
if (parent.Invoke((TParentEntity)x) is object obj)
{
return(propertyMetadata.Getter.Invoke(obj));
}
return(default !);
