refreshable_models.js

Admin.RefreshableModel = Em.Object.extend({
  
  /**
   * Keeps reloading a given model from the server. To stop this process, just
   * kill the `timer` variable.
   */
  reload: function(model) {
    if(this.timer) { this.stop(); }
    this.model = model;
    this.timer = Em.run.later(this, '_reload', 15000);
  },
  _reload: function() {
    this.model.reload();
  },
  stop: function() {
    Em.run.cancel(this.timer);
  }
}

routes.js

Admin.ClientRoute = Ember.Route.extend({
});

Admin.ClientIndexRoute = Ember.Route.extend({
  deactivate: function() {
    this.get('liveModelReload').stop();
  },

  liveModelReload: function() {
    return new Admin.RefreshableModel();
  }.property()

  model: function(params) {
    return this.store.find('client', this.modelFor("client").get("id"));
  },

  afterModel: function(model, transition) {
    this.get('liveModelReload').reload(model);
  }
});