parquet.hadoop.util.counters.mapreduce

Class MapReduceCounterLoader

java.lang.Object

parquet.hadoop.util.counters.mapreduce.MapReduceCounterLoader

All Implemented Interfaces:

CounterLoader

public class MapReduceCounterLoader
extends Object
implements CounterLoader

Concrete factory for counters in mapred API, get a counter using mapreduce API when the corresponding flag is set, otherwise return a NullCounter

Author:

Tianshuo Deng

Constructor Summary

Constructors

Constructor and Description
MapReduceCounterLoader(org.apache.hadoop.mapreduce.TaskInputOutputContext<?,?,?,?> context)

Method Summary

Modifier and Type	Method and Description
ICounter	getCounterByNameAndFlag(String groupName, String counterName, String counterFlag)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MapReduceCounterLoader

public MapReduceCounterLoader(org.apache.hadoop.mapreduce.TaskInputOutputContext<?,?,?,?> context)

Method Detail

getCounterByNameAndFlag

public ICounter getCounterByNameAndFlag(String groupName,
                                        String counterName,
                                        String counterFlag)

Specified by:

getCounterByNameAndFlag in interface CounterLoader