org.apache.hadoop.tools.rumen

Class CurrentJHParser

java.lang.Object

org.apache.hadoop.tools.rumen.CurrentJHParser

All Implemented Interfaces:

Closeable, AutoCloseable, JobHistoryParser

public class CurrentJHParser
extends Object
implements JobHistoryParser

JobHistoryParser that parses JobHistory files.

Constructor Summary

Constructors

Constructor and Description
CurrentJHParser(InputStream input)

Method Summary

Modifier and Type	Method and Description
static boolean	canParse(InputStream input) Can this parser parse the input?
void	close()
org.apache.hadoop.mapreduce.jobhistory.HistoryEvent	nextEvent() Get the next HistoryEvent

Methods inherited from class java.lang.Object

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

Constructor Detail

CurrentJHParser

public CurrentJHParser(InputStream input)
                throws IOException

Throws:

IOException

Method Detail

canParse

public static boolean canParse(InputStream input)
                        throws IOException

Can this parser parse the input?

Parameters:

input -

Returns:

Whether this parser can parse the input.

Throws:

IOException

nextEvent

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

Description copied from interface: JobHistoryParser

Get the next HistoryEvent

Specified by:

nextEvent in interface JobHistoryParser

Returns:

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

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException