Lazy loading in MongoDB with NoRM

Question

I have a model similar to this: (simplified)

Question:

public class Question
{
    public string QuestionID { get; set; }

    publi         


        

Answer 1

I appreciate that this is an old thread, but other people may still be finding it (as I did). Lazy loading is both possible in MongoDB and supported by the C# driver.

Check out the following classes: LazyBsonDocument and LazyBsonArray

From the C# Driver tutorial documentation : "The lazy classes are special in that they defer the deserialization of BSON until it is needed. This is useful for when you only need a field or two out of a complex document because it will not incur the cost of deserializing the entire document or array, but just the pieces that are necessary. This deserialization occurs a level at a time."

At the time of writing the tutorial document can be found here: http://docs.mongodb.org/ecosystem/tutorial/use-csharp-driver/

The example given is very similar to the question in that it involved a nested collection, so it looks like the list of answers could indeed be lazy loaded if that was desirable.

Hope this helps someone,

Nick