| /** |
| * 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'); |
| |
| /** |
| * Base class for any HDFS metric. |
| */ |
| App.MainChartHeatmapDFSMetrics = App.MainChartHeatmapMetric.extend({ |
| metricUrlTemplate: "/clusters/{clusterName}/services/HDFS/components/DATANODE?fields=host_components/{metricName}", |
| |
| /** |
| * Custom mapper for DFS metrics |
| */ |
| metricMapper: function (json) { |
| var hostToValueMap = {}; |
| var metricName = this.get('defaultMetric'); |
| if (json.host_components) { |
| var props = metricName.split('.'); |
| transformValueFunction = this.get('transformValue'); |
| json.host_components.forEach(function (hc) { |
| var value = hc; |
| props.forEach(function (prop) { |
| if (value != null && prop in value) { |
| value = value[prop]; |
| } else { |
| value = null; |
| } |
| }); |
| if (value != null) { |
| if (transformValueFunction) { |
| value = transformValueFunction(value); |
| } |
| var hostName = hc.HostRoles.host_name; |
| hostToValueMap[hostName] = value; |
| } |
| }); |
| } |
| return hostToValueMap; |
| }, |
| |
| /** |
| * Utility function which allows extending classes to transform the value |
| * assigned to a host. |
| * |
| * @type Function |
| */ |
| tranformValue: null |
| }); |