/**
* 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.task;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.TaskAttemptContext;
import org.apache.hadoop.mapreduce.TaskAttemptID;
/**
* The context for task attempts.
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
public class TaskAttemptContextImpl extends JobContextImpl
implements TaskAttemptContext {
private final TaskAttemptID taskId;
private String status = "";
public TaskAttemptContextImpl(Configuration conf,
TaskAttemptID taskId) {
super(conf, taskId.getJobID());
this.taskId = taskId;
}
/**
* Get the unique name for this task attempt.
*/
public TaskAttemptID getTaskAttemptID() {
return taskId;
}
/**
* Set the current status of the task to the given string.
*/
public void setStatus(String msg) {
status = msg;
}
/**
* Get the last set status message.
* @return the current status message
*/
public String getStatus() {
return status;
}
/**
* Report progress. The subtypes actually do work in this method.
*/
@Override
public void progress() {
}
}