New Twiddle

controllers.application.js

import Ember from 'ember';
import SingleStat from '../graphs/SingleStat';
export default Ember.Controller.extend({
  init(){
    this._super(...arguments);
   this.set('singleStat',SingleStat.create({title:'title',count:100,link:'linkname'}));
  },
  appName: 'Ember Twiddle',
  singleStat: '',
  actions:{
    changeTitle(){
      console.log('changeTitle - ',this.get('singleStat'));
     var a = this.get('singleStat')
     //a['title']='TitleChanged';
    }
  }
});

graphs.ComponentData.js

import Ember from 'ember';
export default Ember.Object.extend({
});

graphs.SingleStat.js

import Ember from 'ember';
import ComponentData from '../graphs/ComponentData';
export default ComponentData.extend({
  link: '',
  title: '',
  count:10,
init(args){
  this.set('title', this.get('title') || '');
  this.set('count',this.get('count') || 0);
  this.set('link', this.get('link') || '');    
  this._super(...arguments); //currently it does not do anything
}
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
{{log 'singleStat' singleStat}}
{{singleStat.title}} - {{singleStat.count}}  - {{singleStat.link}}
<br>
<button {{action 'changeTitle' }}> ChangeTitle </button>
{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.8.0",
    "ember-data": "2.8.0",
    "ember-template-compiler": "2.8.0",
    "ember-testing": "2.8.0"
  },
  "addons": {}
}