hadoop-yarn-project/hadoop-yarn/hadoop-yarn-ui/src/main/webapp/app/routes/yarn-flow.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 ErrorUtils from 'yarn-ui/utils/error-utils';

export default AbstractRoute.extend({
  model(params) {
    return Ember.RSVP.hash({
      flowRuns: this.store.query('yarn-flowrun-brief', {flowuid: params.flow_uid}),
      flowUid: params.flow_uid,
      lastFlowExecutionInfo: this.getLastFlowExecutionInfo(params.flow_uid)
    });
  },

  getLastFlowExecutionInfo(flowUid) {
    var yarnfaCtrl = this.controllerFor('yarn-flow-activity');
    var recentFlow = yarnfaCtrl.getLastFlowExecutionInfoByFlowUid(flowUid);
    if (recentFlow) {
      return recentFlow;
    } else {
      return null;
    }
  },

  unloadAll() {
    this.store.unloadAll('yarn-flowrun-brief');
  },

  actions: {
    error(err/*, transition*/) {
      var errObj = ErrorUtils.stripErrorCodeAndMessageFromError(err);
      this.transitionTo('timeline-error', errObj);
    }
  }
});