http://stackoverflow.com/questions/42929723/how-to-transition-to-the-same-route-from-a-component-in-emberjs

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions:{
    refreshRoute(){      
      this.sendAction('refreshRoute');
    }
  }
});

controllers.a.js

import Ember from 'ember';

export default Ember.Controller.extend({
  actions:{
    refreshRoute(){
      this.send('refreshRouteFromCont');
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none',
  rootURL: config.rootURL
});

Router.map(function() {
  this.route('a',{path:'/'});
});

export default Router;

routes.a.js

import Ember from 'ember';

export default Ember.Route.extend({
  model(){    
    let d = new Date();
    return 'hi'+d;
  },
  actions:{
    refreshRouteFromCont(){
      //this.transitionTo('a');
      this.refresh();
      console.log('refresh');
    }
  }
});

templates.a.hbs

{{model}}
{{my-component refreshRoute=(action 'refreshRoute')}}
{{outlet}}

templates.application.hbs

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

templates.components.my-component.hbs

<button {{action 'refreshRoute'}}> Refresh </button>
{{yield}}

twiddle.json

{
  "version": "0.11.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.11.0",
    "ember-data": "2.11.0",
    "ember-template-compiler": "2.11.0",
    "ember-testing": "2.11.0"
  },
  "addons": {}
}