1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 | 1 1 1 1 1 7 7 7 7 7 7 7 7 4 4 4 4 7 7 7 7 7 7 7 1 1 1 1 1 12 12 8 4 1 3 2 2 1 12 7 7 4 4 4 4 2 2 2 1 4 5 5 5 5 5 5 4 4 1 3 1 2 2 4 2 5 4 4 2 2 1 1 1 4 1 3 2 1 1 | 'use strict'; ;require.register("controllers/main/charts/heatmap_metrics/heatmap_metric", function (exports, require, module) { /** * 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'); var date = require('utils/date/date'); var numberUtils = require('utils/number_utils'); /** * Base class for any heatmap metric. * * This class basically provides the following for each heatmap metric. * <ul> * <li> Provides number of slots in which temperature can fall. * <li> Maintains the maximum value so as to scale slot ranges. * <li> Gets JSON data from server and maps response for all hosts into above * slots. * </ul> * */ App.MainChartHeatmapMetric = Em.Object.extend({ /** * Name of this metric */ name: null, /** * Number of slots this metric will be mapped into. When changing this value, * the color count in 'slotColors' should also be changed. */ numberOfSlots: 5, /** * Colors for the each of the number of slots defined above. When changing the * number of slots, the number of colors also should be updated. * * @type {Array} */ slotColors: ['#1EB475', '#1FB418', '#E9E23F', '#E9A840', '#EF6162'], /** * Minimum value of this metric. Default is 0. */ minimumValue: 0, /** * Maximum value of this metric. This has to be specified by extending classes * so that the range from 'minimumValue' to 'maximumValue' can be split among * 'numberOfSlots'. It is recommended that this value be a multiple of * 'numberOfSlots'. */ maximumValue: 100, /** * Units of the maximum value which is shown in UI {String} */ units: '', /** * Provides following information about slots in an array of objects. * <ul> * <li> from: {number} Slot starts from this value * <li> to: {number} Slot ends at this value (inclusive) * <li> label: {String} Slot name to be shown * <li> cssStyle: {String} style to be embedded on hosts which fall into this * slot. * </ul> * * Slot count will be the same as specified in 'numberOfSlots'. Slot * definitions will be given in increasing temperature from 'minimumValue' to * 'maximumValue'. * */ slotDefinitions: function () { var max = this.getMaximumValue(); var slotCount = this.get('numberOfSlots'); var units = this.get('units'); var delta = (max - this.get('minimumValue')) / slotCount; var defs = []; var slotColors = this.get('slotColors'); var slotColorIndex = 0; for (var c = 0; c < slotCount - 1; c++) { var slotColor = slotColors[slotColorIndex++]; var start = c * delta; var end = (c + 1) * delta; defs.push(this.generateSlot(start, end, units, slotColor)); } slotColor = slotColors[slotColorIndex++]; start = (slotCount - 1) * delta; defs.push(this.generateSlot(start, max, units, slotColor)); defs.push(Em.Object.create({ invalidData: true, index: defs.length, label: Em.I18n.t('charts.heatmap.label.invalidData'), cssStyle: this.getHatchStyle() })); defs.push(Em.Object.create({ notAvailable: true, index: defs.length, label: Em.I18n.t('charts.heatmap.label.notAvailable'), cssStyle: "background-color: #666" })); defs.push(Em.Object.create({ notApplicable: true, index: defs.length, label: Em.I18n.t('charts.heatmap.label.notApplicable'), cssStyle: "background-color:#ccc" })); return defs; }.property('minimumValue', 'maximumValue', 'numberOfSlots'), /** * genarate slot by given parameters * * @param min * @param max * @param units * @param slotColor * @return {object} * @method generateSlot */ generateSlot: function generateSlot(min, max, units, slotColor) { var fromLabel = this.formatLegendLabel(min, units); var toLabel = this.formatLegendLabel(max, units); var from = this.convertNumber(min, units); var to = this.convertNumber(max, units); return Em.Object.create({ hasBoundaries: true, from: from, to: to, label: fromLabel + " - " + toLabel, cssStyle: "background-color:" + slotColor }); }, /** * calculate hatch style of slot according to browser version used * @return {String} */ getHatchStyle: function getHatchStyle() { var hatchStyle = "background-color:#666"; if (jQuery.browser.webkit) { hatchStyle = "background-image:-webkit-repeating-linear-gradient(-45deg, #666, #666 6px, #fff 6px, #fff 7px)"; } else if (jQuery.browser.mozilla) { hatchStyle = "background-image:repeating-linear-gradient(-45deg, #666, #666 6px, #fff 6px, #fff 7px)"; } else if (jQuery.browser.msie && jQuery.browser.version) { var majorVersion = parseInt(jQuery.browser.version.split('.')[0]); if (majorVersion > 9) { hatchStyle = "background-image:repeating-linear-gradient(-45deg, #666, #666 6px, #fff 6px, #fff 7px)"; } } return hatchStyle; }, /** * compatible with special input value, such as negative float number or string * @return {float} */ getMaximumValue: function getMaximumValue() { var max = this.get('maximumValue') ? parseFloat(this.get('maximumValue')) : 0; return isNaN(max) ? 0 : Math.max(0, max); }, /** * In slot definitions this value is used to construct the label by appending * it to slot min-max values. For example giving '%' here would result in slot * definition label being '0% - 10%'. */ slotDefinitionLabelSuffix: '', hostToValueMap: null, hostToSlotMap: function () { var hostToValueMap = this.get('hostToValueMap'); var hostNames = this.get('hostNames'); var hostToSlotMap = {}; if (hostToValueMap && hostNames) { hostNames.forEach(function (hostName) { var slot = this.calculateSlot(hostToValueMap, hostName); if (slot > -1) { hostToSlotMap[hostName] = slot; } }, this); } return hostToSlotMap; }.property('hostToValueMap', 'slotDefinitions'), /** * calculate slot position in hostToSlotMap by hostname * @param hostToValueMap * @param hostName * @return {Number} */ calculateSlot: function calculateSlot(hostToValueMap, hostName) { var slotDefinitions = this.get('slotDefinitions'); var slotWithBoundaries = slotDefinitions.filterProperty('hasBoundaries'); var invalidDataSlot = slotDefinitions.findProperty('invalidData').get('index'); var notAvailableDataSlot = slotDefinitions.findProperty('notAvailable').get('index'); var slot = slotDefinitions.findProperty('notApplicable').get('index'); if (hostName in hostToValueMap) { var value = hostToValueMap[hostName]; if (Em.isNone(value)) { slot = notAvailableDataSlot; } else if (isNaN(value) || !isFinite(value) || value < 0) { slot = invalidDataSlot; } else { value = Number(value); slotWithBoundaries.forEach(function (slotDef, slotIndex, array) { if (value >= slotDef.from && value <= slotDef.to || // If value exceeds maximum then it pushed to the last/maximal slot value > slotDef.to && slotIndex === array.length - 1) { slot = slotIndex; } }); } } return slot; }, /** * Turns numbers into displayable values. For example 24.345432425 into 24.3 * etc. * * @private */ formatLegendLabel: function formatLegendLabel(num, units) { var fraction = num % 1; if (num >= 100) { num = Math.round(num); } else if (num >= 10 && fraction > 0) { num = parseFloat(num.toFixed(1)); } else Eif (fraction > 0) { num = parseFloat(num.toFixed(2)); } if (units === 'ms') { return date.timingFormat(num); } return num + units; }, /** * return converted value * * @param {number} number * @param {string} units */ convertNumber: function convertNumber(number, units) { if (units === 'MB') { return Math.round(number * numberUtils.BYTES_IN_MB); } return number; } }); }); |