bunti/src/main/webapp/resources/js/models.js

(function($) {
    window.Room = Backbone.Model.extend({});
    window.Rooms = Backbone.Collection.extend({
        model: Room,
        url: '/resources/json/rooms.json'
    });
    window.Device = Backbone.Model.extend({});

    window.RoomDevices = Backbone.Collection.extend({
        model: Device
    });
})(jQuery);