check if the passed reference is a DaoFactory

lib/dao-factory-manager.js

-var Toposort = require('toposort-class')
+var Toposort   = require('toposort-class')
+  , DaoFactory = require('./dao-factory')
 
 module.exports = (function() {
   var DAOFactoryManager = function(sequelize) {
@@ -39,18 +40,21 @@ module.exports = (function() {
    * before dependents.
    */
   DAOFactoryManager.prototype.forEachDAO = function(iterator) {
-    var daos = {}
+    var daos   = {}
       , sorter = new Toposort()
 
     this.daos.forEach(function(dao) {
-      daos[dao.tableName] = dao
       var deps = []
 
-      for(var attrName in dao.rawAttributes) {
-        if(dao.rawAttributes.hasOwnProperty(attrName)) {
-          if(dao.rawAttributes[attrName].references) {
-            deps.push(dao.rawAttributes[attrName].references)
-          }
+      daos[dao.tableName] = dao
+
+      for (var attrName in dao.rawAttributes) {
+        if (dao.rawAttributes.hasOwnProperty(attrName)) {
+          (function(reference) {
+            if (!!reference) {
+              deps.push((reference instanceof DaoFactory) ? reference.tableName : reference)
+            }
+          })(dao.rawAttributes[attrName].references)
         }
       }