private dynamic EntityAs(Entity entity, Type requested, Type[] types)
{
int key = types.Except(new[] { requested }).Aggregate(requested.GetHashCode(), (current, additionalType) => current ^ additionalType.GetHashCode());
dynamic result = GetFromCache(entity, key);
if (result != null)
{
return(result);
}
IEntityMapping mapping;
switch (types.Length)
{
case 1:
mapping = GetMapping(types[0]);
break;
case 0:
types = new[] { requested };
mapping = GetMapping(requested);
break;
default:
mapping = new MultiMapping(types.Select(GetMapping).ToArray());
break;
}
AssertEntityTypes(entity, mapping);
return(EntityAs(entity, mapping, types, key));
}
public void Multimapping_should_not_throw_when_getting_derived_properties()
{
// given
IEntityMapping herbivoreMapping = MappingsRepository.MappingFor <IHerbivore>();
IEntityMapping carnivoreMapping = MappingsRepository.MappingFor <ICarnivore>();
// when
var multiMapping = new MultiMapping(herbivoreMapping, carnivoreMapping);
// then
Assert.DoesNotThrow(() => multiMapping.PropertyFor("Name"));
}
public void Multimapping_should_not_throw_when_getting_derived_properties()
{
// given
IEntityMapping herbivoreMapping = MappingsRepository.MappingFor<IHerbivore>();
IEntityMapping carnivoreMapping = MappingsRepository.MappingFor<ICarnivore>();
// when
var multiMapping = new MultiMapping(herbivoreMapping, carnivoreMapping);
// then
Assert.DoesNotThrow(() => multiMapping.PropertyFor("Name"));
}
