| /** |
| * 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.dao; |
| |
| import javax.xml.bind.annotation.XmlAccessType; |
| import javax.xml.bind.annotation.XmlAccessorType; |
| import javax.xml.bind.annotation.XmlRootElement; |
| import javax.xml.bind.annotation.XmlTransient; |
| |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptState; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskReport; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskState; |
| 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.job.TaskAttempt; |
| import org.apache.hadoop.mapreduce.v2.util.MRApps; |
| import org.apache.hadoop.yarn.util.Times; |
| |
| @XmlRootElement(name = "task") |
| @XmlAccessorType(XmlAccessType.FIELD) |
| public class TaskInfo { |
| |
| protected long startTime; |
| protected long finishTime; |
| protected long elapsedTime; |
| protected float progress; |
| protected String id; |
| protected TaskState state; |
| protected String type; |
| protected String successfulAttempt; |
| |
| @XmlTransient |
| int taskNum; |
| |
| @XmlTransient |
| TaskAttempt successful; |
| |
| public TaskInfo() { |
| } |
| |
| public TaskInfo(Task task) { |
| TaskType ttype = task.getType(); |
| this.type = ttype.toString(); |
| TaskReport report = task.getReport(); |
| this.startTime = report.getStartTime(); |
| this.finishTime = report.getFinishTime(); |
| this.state = report.getTaskState(); |
| this.elapsedTime = Times.elapsed(this.startTime, this.finishTime, |
| this.state == TaskState.RUNNING); |
| if (this.elapsedTime == -1) { |
| this.elapsedTime = 0; |
| } |
| this.progress = report.getProgress() * 100; |
| this.id = MRApps.toString(task.getID()); |
| this.taskNum = task.getID().getId(); |
| this.successful = getSuccessfulAttempt(task); |
| if (successful != null) { |
| this.successfulAttempt = MRApps.toString(successful.getID()); |
| } else { |
| this.successfulAttempt = ""; |
| } |
| } |
| |
| public float getProgress() { |
| return this.progress; |
| } |
| |
| public String getState() { |
| return this.state.toString(); |
| } |
| |
| public String getId() { |
| return this.id; |
| } |
| |
| public int getTaskNum() { |
| return this.taskNum; |
| } |
| |
| public long getStartTime() { |
| return this.startTime; |
| } |
| |
| public long getFinishTime() { |
| return this.finishTime; |
| } |
| |
| public long getElapsedTime() { |
| return this.elapsedTime; |
| } |
| |
| public String getSuccessfulAttempt() { |
| return this.successfulAttempt; |
| } |
| |
| public TaskAttempt getSuccessful() { |
| return this.successful; |
| } |
| |
| private TaskAttempt getSuccessfulAttempt(Task task) { |
| for (TaskAttempt attempt : task.getAttempts().values()) { |
| if (attempt.getState() == TaskAttemptState.SUCCEEDED) { |
| return attempt; |
| } |
| } |
| return null; |
| } |
| |
| } |