hadoop TaskAttemptContextImpl 源码
haddop TaskAttemptContextImpl 代码
文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TaskAttemptContextImpl.java
/**
* 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 org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.mapreduce.Counter;
import org.apache.hadoop.util.Progressable;
@InterfaceAudience.Private
@InterfaceStability.Unstable
public class TaskAttemptContextImpl
extends org.apache.hadoop.mapreduce.task.TaskAttemptContextImpl
implements TaskAttemptContext {
private Reporter reporter;
public TaskAttemptContextImpl(JobConf conf, TaskAttemptID taskid) {
this(conf, taskid, Reporter.NULL);
}
TaskAttemptContextImpl(JobConf conf, TaskAttemptID taskid,
Reporter reporter) {
super(conf, taskid);
this.reporter = reporter;
}
/**
* Get the taskAttemptID.
*
* @return TaskAttemptID
*/
public TaskAttemptID getTaskAttemptID() {
return (TaskAttemptID) super.getTaskAttemptID();
}
public Progressable getProgressible() {
return reporter;
}
public JobConf getJobConf() {
return (JobConf) getConfiguration();
}
@Override
public float getProgress() {
return reporter.getProgress();
}
@Override
public Counter getCounter(Enum<?> counterName) {
return reporter.getCounter(counterName);
}
@Override
public Counter getCounter(String groupName, String counterName) {
return reporter.getCounter(groupName, counterName);
}
/**
* Report progress.
*/
@Override
public void progress() {
reporter.progress();
}
/**
* Set the current status of the task to the given string.
*/
@Override
public void setStatus(String status) {
setStatusString(status);
reporter.setStatus(status);
}
}
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