org.apache.hadoop.hive.ql.exec.TaskHandle Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
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package org.apache.hadoop.hive.ql.exec;
import java.io.IOException;
import org.apache.hadoop.mapred.Counters;
/**
* TaskHandle.
*
*/
public class TaskHandle {
// The eventual goal is to monitor the progress of all the tasks, not only the
// map reduce task.
// The execute() method of the tasks will return immediately, and return a
// task specific handle to
// monitor the progress of that task.
// Right now, the behavior is kind of broken, ExecDriver's execute method
// calls progress - instead it should
// be invoked by Driver
public Counters getCounters() throws IOException {
// default implementation
return null;
}
}