private Type GenerateCollectionProxyType(Type collectionType)
{
Type[] elementType = collectionType.GetGenericArguments();
if (elementType.Length != 1)
{
throw new ArgumentException("Collection type should specify element type.");
}
Type baseListType = null;
bool isSet = collectionType.GetGenericTypeDefinition().Equals(typeof(IScalarSet <>));
bool isOrdered = collectionType.GetGenericTypeDefinition().Equals(typeof(IOrderedCollection <>));
if (!typesService.IsSealedType(elementType[0]))
{
if (!isSet)
{
if (isOrdered)
{
baseListType = typeof(OrderedCollectionProxy <>);
}
else
{
baseListType = typeof(CollectionProxy <>);
}
}
else
{
baseListType = typeof(SetCollectionProxy <>);
}
}
else
{
if (!isSet)
{
if (isOrdered)
{
baseListType = typeof(OrderedCollectionProxySealed <>);
}
else
{
baseListType = typeof(CollectionProxySealed <>);
}
}
else
{
baseListType = typeof(SetCollectionProxySealed <>);
}
}
return(baseListType.MakeGenericType(elementType));
}