org.apache.hadoop.mapred

Class TaskLogAppender

java.lang.Object

org.apache.log4j.AppenderSkeleton

org.apache.log4j.WriterAppender

org.apache.log4j.FileAppender

org.apache.hadoop.mapred.TaskLogAppender

All Implemented Interfaces:

Flushable, org.apache.log4j.Appender, org.apache.log4j.spi.OptionHandler

@InterfaceStability.Unstable
public class TaskLogAppender
extends org.apache.log4j.FileAppender
implements Flushable

A simple log4j-appender for the task child's map-reduce system logs.

Field Summary

Fields inherited from class org.apache.log4j.FileAppender

bufferedIO, bufferSize, fileAppend, fileName

Fields inherited from class org.apache.log4j.WriterAppender

encoding, immediateFlush, qw

Fields inherited from class org.apache.log4j.AppenderSkeleton

closed, errorHandler, headFilter, layout, name, tailFilter, threshold

Constructor Summary

Constructors

Constructor and Description
TaskLogAppender()

Method Summary

Methods

Modifier and Type	Method and Description
void	activateOptions()
void	append(org.apache.log4j.spi.LoggingEvent event)
void	close()
void	flush()
boolean	getIsCleanup() Get whether task is cleanup attempt or not.
String	getTaskId() Getter/Setter methods for log4j.
long	getTotalLogFileSize()
void	setIsCleanup(boolean isCleanup) Set whether the task is a cleanup attempt or not.
void	setTaskId(String taskId)
void	setTotalLogFileSize(long logSize)

Methods inherited from class org.apache.log4j.FileAppender

closeFile, getAppend, getBufferedIO, getBufferSize, getFile, reset, setAppend, setBufferedIO, setBufferSize, setFile, setFile, setQWForFiles

Methods inherited from class org.apache.log4j.WriterAppender

checkEntryConditions, closeWriter, createWriter, getEncoding, getImmediateFlush, requiresLayout, setEncoding, setErrorHandler, setImmediateFlush, setWriter, shouldFlush, subAppend, writeFooter, writeHeader

Methods inherited from class org.apache.log4j.AppenderSkeleton

addFilter, clearFilters, doAppend, finalize, getErrorHandler, getFilter, getFirstFilter, getLayout, getName, getThreshold, isAsSevereAsThreshold, setLayout, setName, setThreshold

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskLogAppender

public TaskLogAppender()

Method Detail

activateOptions

public void activateOptions()

Specified by:

activateOptions in interface org.apache.log4j.spi.OptionHandler

Overrides:

activateOptions in class org.apache.log4j.FileAppender

append

public void append(org.apache.log4j.spi.LoggingEvent event)

Overrides:

append in class org.apache.log4j.WriterAppender

flush

public void flush()

Specified by:

flush in interface Flushable

close

public void close()

Specified by:

close in interface org.apache.log4j.Appender

Overrides:

close in class org.apache.log4j.WriterAppender

getTaskId

public String getTaskId()

Getter/Setter methods for log4j.

setTaskId

public void setTaskId(String taskId)

getTotalLogFileSize

public long getTotalLogFileSize()

setTotalLogFileSize

public void setTotalLogFileSize(long logSize)

setIsCleanup

public void setIsCleanup(boolean isCleanup)

Set whether the task is a cleanup attempt or not.

Parameters:

isCleanup - true if the task is cleanup attempt, false otherwise.

getIsCleanup

public boolean getIsCleanup()

Get whether task is cleanup attempt or not.

Returns:

true if the task is cleanup attempt, false otherwise.