org.apache.giraph.utils

Class CounterUtils

java.lang.Object

org.apache.giraph.utils.CounterUtils

public class CounterUtils
extends Object

Utility methods for dealing with counters

Method Summary

Modifier and Type	Method and Description
static String	waitAndGetCounterNameFromGroup(org.apache.hadoop.mapreduce.Job job, String group) Wait for a counter to appear in a group and then return the name of that counter.

Methods inherited from class java.lang.Object

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

Method Detail

waitAndGetCounterNameFromGroup

public static String waitAndGetCounterNameFromGroup(org.apache.hadoop.mapreduce.Job job,
                                                    String group)

Wait for a counter to appear in a group and then return the name of that counter. If job finishes before counter appears, return null.

Parameters:

job - Job

group - Name of the counter group

Returns:

Name of the counter inside of the group, or null if job finishes before counter appears