| /** |
| * 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. |
| */ |
| |
| package org.apache.hadoop.mapreduce.v2.app.webapp; |
| |
| import static org.apache.hadoop.mapreduce.v2.app.webapp.AMParams.TASK_TYPE; |
| import static org.apache.hadoop.yarn.util.StringHelper.join; |
| import static org.apache.hadoop.yarn.util.StringHelper.percent; |
| import static org.apache.hadoop.yarn.webapp.view.JQueryUI.C_PROGRESSBAR; |
| import static org.apache.hadoop.yarn.webapp.view.JQueryUI.C_PROGRESSBAR_VALUE; |
| |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskType; |
| import org.apache.hadoop.mapreduce.v2.app.job.Task; |
| import org.apache.hadoop.mapreduce.v2.app.webapp.dao.TaskInfo; |
| import org.apache.hadoop.mapreduce.v2.util.MRApps; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TABLE; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TBODY; |
| import org.apache.hadoop.yarn.webapp.view.HtmlBlock; |
| |
| import com.google.inject.Inject; |
| |
| public class TasksBlock extends HtmlBlock { |
| final App app; |
| |
| @Inject TasksBlock(App app) { |
| this.app = app; |
| } |
| |
| @Override protected void render(Block html) { |
| if (app.getJob() == null) { |
| html. |
| h2($(TITLE)); |
| return; |
| } |
| TaskType type = null; |
| String symbol = $(TASK_TYPE); |
| if (!symbol.isEmpty()) { |
| type = MRApps.taskType(symbol); |
| } |
| TBODY<TABLE<Hamlet>> tbody = html. |
| table("#tasks"). |
| thead(). |
| tr(). |
| th("Task"). |
| th("Progress"). |
| th("State"). |
| th("Start Time"). |
| th("Finish Time"). |
| th("Elapsed Time")._()._(). |
| tbody(); |
| StringBuilder tasksTableData = new StringBuilder("[\n"); |
| |
| for (Task task : app.getJob().getTasks().values()) { |
| if (type != null && task.getType() != type) { |
| continue; |
| } |
| TaskInfo info = new TaskInfo(task); |
| String tid = info.getId(); |
| String pct = percent(info.getProgress() / 100); |
| tasksTableData.append("[\"<a href='").append(url("task", tid)) |
| .append("'>").append(tid).append("</a>\",\"") |
| //Progress bar |
| .append("<br title='").append(pct) |
| .append("'> <div class='").append(C_PROGRESSBAR).append("' title='") |
| .append(join(pct, '%')).append("'> ").append("<div class='") |
| .append(C_PROGRESSBAR_VALUE).append("' style='") |
| .append(join("width:", pct, '%')).append("'> </div> </div>\",\"") |
| |
| .append(info.getState()).append("\",\"") |
| .append(info.getStartTime()).append("\",\"") |
| .append(info.getFinishTime()).append("\",\"") |
| .append(info.getElapsedTime()).append("\"],\n"); |
| } |
| //Remove the last comma and close off the array of arrays |
| if(tasksTableData.charAt(tasksTableData.length() - 2) == ',') { |
| tasksTableData.delete(tasksTableData.length()-2, tasksTableData.length()-1); |
| } |
| tasksTableData.append("]"); |
| html.script().$type("text/javascript"). |
| _("var tasksTableData=" + tasksTableData)._(); |
| |
| tbody._()._(); |
| } |
| } |