hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/routes/yarn-app.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 AbstractRoute from './abstract';
import AppAttemptMixin from 'yarn-ui/mixins/app-attempt';

export default AbstractRoute.extend(AppAttemptMixin, {
  model(param, transition) {
    const {service} = transition.queryParams;
    transition.send('updateBreadcrumbs', param.app_id, service);

    return Ember.RSVP.hash({
      appId: param.app_id,
      serviceName: service,
      app: this.fetchAppInfoFromRMorATS(param.app_id, this.store),

      quicklinks: this.store.queryRecord('yarn-service-info', { appId: param.app_id }).then(function (info) {
        if (info && info.get('quicklinks')) {
          return info.get('quicklinks');
        }
        return [];
      }, function () {
        return [];
      }),

      serviceInfo: new Ember.RSVP.Promise(resolve => {
        if (service) {
          this.store.queryRecord('yarn-service', {serviceName: service}).then(function(info) {
            resolve(info);
          }, function() {
            resolve(null);
          });
        } else {
          resolve(null);
        }
      })
    });
  },
  actions: {
    updateBreadcrumbs(appId, serviceName, tailCrumbs) {
      var controller = this.controllerFor('yarn-app');
      controller.setProperties({appId: appId, serviceName: serviceName});
      controller.updateBreadcrumbs(appId, serviceName, tailCrumbs);
    }
  }
});