DS.Model states

How can I manually manage the state of instances of DS.Model ? I need to manually perform create query via Ember.$.ajax (to be more correct, wrapper of this with Ember.run) , but I have record created via store.createRecord(), so I need to deserialize this record, post json to API, and in then of Ember.$.ajax set an id of newly created record and change state of this record to loaded.saved (or whatever matches: loaded.updated.inFlight, maybe). I’m using ember data 1.0.0-beta.7+canary.b45e23ba. Regards.