Factory that returns data after asynchronous call

Question

I have a service(factory) that uses another service to fetch data.Something like this:

factory('myFactory', function(anotherFactory) {

     var factoryObject = {};

     factoryObject.myMethod = () {

          var newObjectToReturn;

          // async call
          anotherFactory.get(id, function(data) {

              // do some processing
              newObjectToReturn = data; 
          });

          return newObjectToReturn;
     }
   return factoryObject;
});

Now, problem is of course, that because of asynchronous call, factoryObject.myMethod() always returns undefined, because return newObjectToReturn is first executed, and I can't simply return data. Is there any way around this ?

Assuming your factory uses $http you should return the promise. See http://stackoverflow.com/a/17646781/1522169 — noj, Oct 15 '14 at 08:49

score -1 · Accepted Answer · answered Oct 15 '14 at 08:42

-1

return the response data in callback

factory('myFactory', function(anotherFactory) {

 var factoryObject = {};

 factoryObject.myMethod = () {

      var newObjectToReturn;

      // async call
      anotherFactory.get(id, function(data) {

          // do some processing
          newObjectToReturn = data; 
      },function(response){
           return newObjectToReturn;
      });
 }

return factoryObject; });

answered Oct 15 '14 at 08:42

Nandish

125
2
11

That won't return it to anywhere useful. – Quentin Oct 15 '14 at 08:44
U can return data from inside itself. – Nandish Oct 15 '14 at 08:56
anotherFactory.get(id, function(data) { return data; }); – Nandish Oct 15 '14 at 08:57
You are passing that function as an argument. Something else will call that function. The value isn't being returned to anywhere useful. – Quentin Oct 15 '14 at 08:59

Factory that returns data after asynchronous call

1 Answers1