org.apache.hadoop.mapreduce.v2.hs
Class HistoryFileManager

java.lang.Object
  org.apache.hadoop.yarn.service.AbstractService
      org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager

All Implemented Interfaces:

org.apache.hadoop.yarn.service.Service

@InterfaceAudience.Public
@InterfaceStability.Unstable
public class HistoryFileManager
extends org.apache.hadoop.yarn.service.AbstractService

This class provides a way to interact with history files in a thread safe manor.

Nested Class Summary

class

HistoryFileManager.HistoryFileInfo

Nested classes/interfaces inherited from interface org.apache.hadoop.yarn.service.Service

org.apache.hadoop.yarn.service.Service.STATE

Field Summary

protected org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager.JobListCache

jobListCache

Constructor Summary

HistoryFileManager()

Method Summary

Collection<HistoryFileManager.HistoryFileInfo>	getAllFileInfo()
HistoryFileManager.HistoryFileInfo	getFileInfo(org.apache.hadoop.mapreduce.v2.api.records.JobId jobId)
void	init(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class org.apache.hadoop.yarn.service.AbstractService

getConfig, getName, getServiceState, getStartTime, register, start, stop, unregister

Methods inherited from class java.lang.Object

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

Field Detail

jobListCache

protected org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager.JobListCache jobListCache

Constructor Detail

HistoryFileManager

public HistoryFileManager()

Method Detail

init

public void init(org.apache.hadoop.conf.Configuration conf)

Specified by:

init in interface org.apache.hadoop.yarn.service.Service

Overrides:

init in class org.apache.hadoop.yarn.service.AbstractService

getAllFileInfo

public Collection<HistoryFileManager.HistoryFileInfo> getAllFileInfo()
                                                              throws IOException

Throws:

IOException

getFileInfo

public HistoryFileManager.HistoryFileInfo getFileInfo(org.apache.hadoop.mapreduce.v2.api.records.JobId jobId)
                                               throws IOException

Throws:

IOException