Computed Property Getter and setter

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  myService:Ember.inject.service('drop-down/my-service'),
  reRenderTable: false,
  isOpen:Ember.computed('reRenderTable',{
    get(){      
      return this.get('reRenderTable') === false;
    },
    set(key,value){
      return value;
    }
  }),
  actions:{
    setValue(){
      this.set('isOpen',true);
      Ember.run.later(this,()=>{
        console.log('later executed');
        this.set('reRenderTable',true);
      },4000);
    }
  }
});

services.drop-down.my-service.js

import Ember from 'ember';

export default Ember.Service.extend({
  name:'Kumkanillam'
});

templates.application.hbs

<h1{{action 'setValue'}}>Welcome to {{appName}}</h1>
<br>
{{log 'myService' myService}}
{{isOpen}}
{{myService.name}}
<br>
{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}