org.apache.hadoop.mapreduce.jobhistory
Class EventReader

java.lang.Object
  org.apache.hadoop.mapreduce.jobhistory.EventReader

All Implemented Interfaces:

Closeable

@InterfaceAudience.Private
@InterfaceStability.Unstable
public class EventReader
extends Object
implements Closeable

Constructor Summary

EventReader(DataInputStream in)
Create a new Event Reader

EventReader(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path name)
Create a new Event Reader

Method Summary

void	close() Close the Event reader
HistoryEvent	getNextEvent() Get the next event from the stream

Methods inherited from class java.lang.Object

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

Constructor Detail

EventReader

public EventReader(org.apache.hadoop.fs.FileSystem fs,
                   org.apache.hadoop.fs.Path name)
            throws IOException

Create a new Event Reader

Parameters:

fs -

name -

Throws:

IOException

EventReader

public EventReader(DataInputStream in)
            throws IOException

Create a new Event Reader

Parameters:

in -

Throws:

IOException

Method Detail

getNextEvent

public HistoryEvent getNextEvent()
                          throws IOException

Get the next event from the stream

Returns:

the next event

Throws:

IOException

close

public void close()
           throws IOException

Close the Event reader

Specified by:

close in interface Closeable

Throws:

IOException