| /** |
| * 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. |
| */ |
| |
| var App = require('app'); |
| |
| /** |
| * initialize common cache container for mappers |
| * App.cache contains shared data, used for syncronizing incoming server data among mappers |
| */ |
| App.cache = { |
| 'previousHostStatuses': {}, |
| 'previousComponentStatuses': {}, |
| 'previousComponentPassiveStates': {}, |
| 'services': [], |
| 'currentConfigVersions': {} |
| }; |
| |
| App.cache.clear = function () { |
| var clear = App.cache.clear; |
| App.cache = { |
| 'previousHostStatuses': {}, |
| 'previousComponentStatuses': {}, |
| 'previousComponentPassiveStates': {}, |
| 'services': [], |
| 'currentConfigVersions': {} |
| }; |
| App.cache.clear = clear; |
| }; |
| |
| App.ServerDataMapper = Em.Object.extend({ |
| jsonKey: false, |
| map: function (json) { |
| if (json) { |
| var model = this.get('model'); |
| var jsonKey = this.get('jsonKey'); |
| |
| if (jsonKey && json[jsonKey]) { // if data come as { hdfs: {...} } |
| json = json[jsonKey]; |
| } |
| |
| $.each(json, function (field, value) { |
| model.set(field, value); |
| }) |
| } |
| } |
| }); |
| |
| |
| App.QuickDataMapper = App.ServerDataMapper.extend({ |
| config: {}, |
| model: null, |
| map: function (json) { |
| if (!this.get('model')) { |
| return; |
| } |
| |
| if (json.items) { |
| var result = []; |
| |
| json.items.forEach(function (item) { |
| result.push(this.parseIt(item, this.config)); |
| }, this); |
| |
| App.store.loadMany(this.get('model'), result); |
| } |
| }, |
| |
| parseIt: function (data, config) { |
| var result = {}; |
| for ( var i in config) { |
| if (i.substr(0, 1) === '$') { |
| i = i.substr(1, i.length); |
| result[i] = config['$' + i]; |
| } else { |
| var isSpecial = false; |
| if (i.substr(-5) == '_type') { |
| var prefix = i.substr(0, i.length - 5); |
| isSpecial = config[prefix + '_key'] != null; |
| } else if (i.substr(-4) == '_key') { |
| var prefix = i.substr(0, i.length - 4); |
| isSpecial = config[prefix + '_type'] != null; |
| } |
| if (!isSpecial && typeof config[i] == 'string') { |
| result[i] = this.getJsonProperty(data, config[i]); |
| } else if (typeof config[i] == 'object') { |
| result[i] = []; |
| var _data = this.getJsonProperty(data, config[i + '_key']); |
| var _type = config[i + '_type']; |
| var l = _data.length; |
| for ( var index = 0; index < l; index++) { |
| if (_type == 'array') { |
| result[i].push(this.getJsonProperty(_data[index], config[i].item)); |
| } else { |
| result[i].push(this.parseIt(_data[index], config[i])); |
| } |
| } |
| // As for 'widgets', just show the original order |
| if(_type == 'array' && i != 'widgets'){ |
| result[i] = result[i].sort(); |
| } |
| } |
| } |
| } |
| return result; |
| }, |
| |
| getJsonProperty: function (json, path) { |
| var pathArr = path.split('.'); |
| var current = json; |
| while (pathArr.length && current) { |
| if (pathArr[0].substr(-1) == ']') { |
| var index = parseInt(pathArr[0].substr(-2, 1)); |
| var attr = pathArr[0].substr(0, pathArr[0].length - 3); |
| if (attr in current) { |
| current = current[attr][index]; |
| } |
| } else { |
| current = current[pathArr[0]]; |
| } |
| pathArr.splice(0, 1); |
| } |
| return current; |
| }, |
| |
| /** |
| * properly delete record from model |
| * @param item |
| */ |
| deleteRecord: function (item) { |
| item.deleteRecord(); |
| App.store.commit(); |
| item.get('stateManager').transitionTo('loading'); |
| }, |
| /** |
| * check mutable fields whether they have been changed and if positive |
| * return host object only with properties, that contains new value |
| * @param current |
| * @param previous |
| * @param fields |
| * @return {*} |
| */ |
| getDiscrepancies: function (current, previous, fields) { |
| var result = {}; |
| if (previous) { |
| fields.forEach(function (field) { |
| if (Array.isArray(current[field])) { |
| if (JSON.stringify(current[field]) !== JSON.stringify(previous[field])) { |
| result[field] = current[field]; |
| result.isLoadNeeded = true; |
| } |
| } else { |
| if (current[field] != previous[field]) result[field] = current[field]; |
| } |
| }); |
| return result; |
| } |
| return current; |
| }, |
| |
| /** |
| * Binary search <code>searchElement</code> in the array (should be sorted!) |
| * @param {number[]|string[]} array |
| * @param {number|string} searchElement |
| * @returns {number} position of the needed element or negative value, if value wasn't found |
| * @method binaryIndexOf |
| */ |
| binaryIndexOf: function (array, searchElement) { |
| var minIndex = 0; |
| var maxIndex = array.length - 1; |
| var currentIndex; |
| var currentElement; |
| var resultIndex; |
| |
| if (array[0] > searchElement || array[array.length - 1] < searchElement) { |
| return -1; |
| } |
| while (minIndex <= maxIndex) { |
| resultIndex = currentIndex = (minIndex + maxIndex) / 2 | 0; |
| currentElement = array[currentIndex]; |
| |
| if (currentElement < searchElement) { |
| minIndex = currentIndex + 1; |
| } |
| else |
| if (currentElement > searchElement) { |
| maxIndex = currentIndex - 1; |
| } |
| else { |
| return currentIndex; |
| } |
| } |
| |
| return ~maxIndex; |
| } |
| |
| }); |