com.fr.third.apache.log4j.varia

类 ExternallyRolledFileAppender

java.lang.Object

com.fr.third.apache.log4j.AppenderSkeleton

com.fr.third.apache.log4j.WriterAppender

com.fr.third.apache.log4j.FileAppender

com.fr.third.apache.log4j.RollingFileAppender

com.fr.third.apache.log4j.varia.ExternallyRolledFileAppender

所有已实现的接口:

Appender, OptionHandler

public class ExternallyRolledFileAppender
extends RollingFileAppender

This appender listens on a socket on the port specified by the Port property for a "RollOver" message. When such a message is received, the underlying log file is rolled over and an acknowledgment message is sent back to the process initiating the roll over.

This method of triggering roll over has the advantage of being operating system independent, fast and reliable.

A simple application Roller is provided to initiate the roll over.

Note that the initiator is not authenticated. Anyone can trigger a rollover. In production environments, it is recommended that you add some form of protection to prevent undesired rollovers.

从以下版本开始:

version 0.9.0

作者:

Ceki Gülcü

字段概要

字段

限定符和类型	字段和说明
static java.lang.String	OK The string constant sent to acknowledge a roll over.
static java.lang.String	ROLL_OVER The string constant sent to initiate a roll over.

从类继承的字段 com.fr.third.apache.log4j.RollingFileAppender

maxBackupIndex, maxFileSize

从类继承的字段 com.fr.third.apache.log4j.FileAppender

bufferedIO, bufferSize, fileAppend, fileName

从类继承的字段 com.fr.third.apache.log4j.WriterAppender

encoding, immediateFlush, qw

从类继承的字段 com.fr.third.apache.log4j.AppenderSkeleton

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

构造器概要

构造器

构造器和说明
ExternallyRolledFileAppender() The default constructor does nothing but calls its super-class constructor.

方法概要

方法

限定符和类型	方法和说明
void	activateOptions() Start listening on the port specified by a preceding call to setPort(int).
int	getPort() Returns value of the Port option.
void	setPort(int port) The Port [roperty is used for setting the port for listening to external roll over messages.

从类继承的方法 com.fr.third.apache.log4j.RollingFileAppender

getMaxBackupIndex, getMaximumFileSize, rollOver, setFile, setMaxBackupIndex, setMaxFileSize, setMaximumFileSize, setQWForFiles, subAppend

从类继承的方法 com.fr.third.apache.log4j.FileAppender

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

从类继承的方法 com.fr.third.apache.log4j.WriterAppender

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

从类继承的方法 com.fr.third.apache.log4j.AppenderSkeleton

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

从类继承的方法 java.lang.Object

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

字段详细资料

ROLL_OVER

public static final java.lang.String ROLL_OVER

The string constant sent to initiate a roll over. Current value of this string constant is RollOver.

另请参阅:

常量字段值

OK

public static final java.lang.String OK

The string constant sent to acknowledge a roll over. Current value of this string constant is OK.

另请参阅:

常量字段值

构造器详细资料

ExternallyRolledFileAppender

public ExternallyRolledFileAppender()

The default constructor does nothing but calls its super-class constructor.

方法详细资料

setPort

public void setPort(int port)

The Port [roperty is used for setting the port for listening to external roll over messages.

getPort

public int getPort()

Returns value of the Port option.

activateOptions

public void activateOptions()

Start listening on the port specified by a preceding call to setPort(int).

指定者:

activateOptions 在接口中 OptionHandler

覆盖:

activateOptions 在类中 FileAppender