Package org.apache.hadoop.tools.rumen

Interface JobHistoryParser

All Superinterfaces:

java.lang.AutoCloseable, java.io.Closeable

All Known Implementing Classes:

CurrentJHParser, Hadoop20JHParser

public interface JobHistoryParser
extends java.io.Closeable

JobHistoryParser defines the interface of a Job History file parser.

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.mapreduce.jobhistory.HistoryEvent	nextEvent()	Get the next HistoryEvent

Methods inherited from interface java.io.Closeable

close

Method Detail

nextEvent

org.apache.hadoop.mapreduce.jobhistory.HistoryEvent nextEvent()
                                                       throws java.io.IOException

Get the next HistoryEvent

Returns:

the next HistoryEvent. If no more events left, return null.

Throws:

java.io.IOException