| /** |
| * 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.mapred; |
| |
| import java.util.Collection; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.mapreduce.MRJobConfig; |
| import org.apache.hadoop.mapreduce.OutputCommitter; |
| import org.apache.hadoop.mapreduce.TypeConverter; |
| import org.apache.hadoop.mapreduce.security.token.JobTokenIdentifier; |
| import org.apache.hadoop.mapreduce.split.JobSplit.TaskSplitMetaInfo; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskId; |
| import org.apache.hadoop.mapreduce.v2.app.TaskAttemptListener; |
| import org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl; |
| import org.apache.hadoop.security.token.Token; |
| import org.apache.hadoop.security.token.TokenIdentifier; |
| import org.apache.hadoop.yarn.Clock; |
| import org.apache.hadoop.yarn.event.EventHandler; |
| |
| public class MapTaskAttemptImpl extends TaskAttemptImpl { |
| |
| private final TaskSplitMetaInfo splitInfo; |
| |
| public MapTaskAttemptImpl(TaskId taskId, int attempt, |
| EventHandler eventHandler, Path jobFile, |
| int partition, TaskSplitMetaInfo splitInfo, Configuration conf, |
| TaskAttemptListener taskAttemptListener, |
| OutputCommitter committer, Token<JobTokenIdentifier> jobToken, |
| Collection<Token<? extends TokenIdentifier>> fsTokens, Clock clock) { |
| super(taskId, attempt, eventHandler, |
| taskAttemptListener, jobFile, partition, conf, splitInfo.getLocations(), |
| committer, jobToken, fsTokens, clock); |
| this.splitInfo = splitInfo; |
| } |
| |
| @Override |
| public Task createRemoteTask() { |
| //job file name is set in TaskAttempt, setting it null here |
| MapTask mapTask = |
| new MapTask("", TypeConverter.fromYarn(getID()), partition, |
| splitInfo.getSplitIndex(), 1); // YARN doesn't have the concept of slots per task, set it as 1. |
| mapTask.setUser(conf.get(MRJobConfig.USER_NAME)); |
| mapTask.setConf(conf); |
| return mapTask; |
| } |
| |
| } |