ReopenStore

application.controller.js

import Ember from 'ember';
import DS from 'ember-data';

export default Ember.Controller.extend({
  appName:'Ember Twiddle',
  init: function() {
  	this.store.reopen({
    	findRecord: function(modelName, id, options) {
      	return this.__super(modelName, id, options)
        	.then(() => { console.log('hooked'); });
      }
    });
  }.on('init')
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.4.17",
  "EmberENV": {
    "FEATURES": {}
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.2.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}