How to query mongodb with DBRef

Question

suppose I have the following datastructure:

var user = {_id: \'foo\', age: 35};
var post = {_id: \'...\', author: {$ref: user, $id: \'foo\'},...};
         


        

Answer 1

For anyone looking for a Java solution to this then if you are using mongojack its really easy:

collection.find(DBQuery.is("user", new DBRef(user.getId(), User.class)));

Where collection is a JacksonDBCollection.