ambari/contrib/views/hawq/src/main/resources/ui/app/routes/main.js

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import Ember from 'ember';
import ENV from 'hawq-view/config/environment';

export default Ember.Route.extend({
  model() {
    return this.store.findAll('query');
  },
  setupController: function(controller, model) {
    this._super(controller, model);
    if(ENV.shouldPoll) {
      this.startRefreshing();
    }
  },
  startRefreshing: function() {
    this.set('refreshing', true);
    Ember.run.later(this, this.refresh, ENV.pollingInterval);
  },
  refresh: function() {
    if(!this.get('refreshing')) {
      return;
    }
    this.store.unloadAll('query');
    this.store.findAll('query');
    Ember.run.later(this, this.refresh, ENV.pollingInterval);
  },
  actions: {
    willTransition: function() {
      this.set('refreshing', false);
    }
  }
});