Package ch.qos.logback.core.rolling

Class FixedWindowRollingPolicy

java.lang.Object

ch.qos.logback.core.spi.ContextAwareBase

ch.qos.logback.core.rolling.RollingPolicyBase

ch.qos.logback.core.rolling.FixedWindowRollingPolicy

All Implemented Interfaces:

RollingPolicy, ContextAware, LifeCycle

public class FixedWindowRollingPolicy
extends RollingPolicyBase

When rolling over, FixedWindowRollingPolicy renames files according to a fixed window algorithm. For more information about this policy, please refer to the online manual at http://logback.qos.ch/manual/appenders.html#FixedWindowRollingPolicy

Author:

Ceki Gülcü

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ZIP_ENTRY_DATE_PATTERN

Fields inherited from class ch.qos.logback.core.rolling.RollingPolicyBase

compressionMode, fileNamePatternStr

Fields inherited from class ch.qos.logback.core.spi.ContextAwareBase

context

Constructor Summary

Constructors

Constructor	Description
FixedWindowRollingPolicy()

Method Summary

Modifier and Type	Method	Description
String	getActiveFileName()	Return the value of the parent's RawFile property.
int	getMaxIndex()
protected int	getMaxWindowSize()	Subclasses can override this method to increase the max window size, if required.
int	getMinIndex()
void	rollover()	Rolls over log files according to implementation policy.
void	setMaxIndex(int maxIndex)
void	setMinIndex(int minIndex)
void	start()

Methods inherited from class ch.qos.logback.core.rolling.RollingPolicyBase

determineCompressionMode, getCompressionMode, getFileNamePattern, getParentsRawFileProperty, isParentPrudent, isStarted, setFileNamePattern, setParent, stop

Methods inherited from class ch.qos.logback.core.spi.ContextAwareBase

addError, addError, addInfo, addInfo, addStatus, addWarn, addWarn, getContext, getDeclaredOrigin, getStatusManager, setContext

Methods inherited from class java.lang.Object

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

Field Details

ZIP_ENTRY_DATE_PATTERN

public static final String ZIP_ENTRY_DATE_PATTERN

See Also:

• Constant Field Values

Constructor Details

FixedWindowRollingPolicy

public FixedWindowRollingPolicy()

Method Details

start

public void start()

Specified by:

start in interface LifeCycle

Overrides:

start in class RollingPolicyBase

getMaxWindowSize

protected int getMaxWindowSize()

Subclasses can override this method to increase the max window size, if required. This is to address LOGBACK-266.

Returns:

rollover

public void rollover()
              throws RolloverFailure

Description copied from interface: RollingPolicy

Rolls over log files according to implementation policy.

This method is invoked by RollingFileAppender, usually at the behest of its TriggeringPolicy.

Throws:

RolloverFailure - Thrown if the rollover operation fails for any reason.

getActiveFileName

public String getActiveFileName()

Return the value of the parent's RawFile property.

getMaxIndex

public int getMaxIndex()

getMinIndex

public int getMinIndex()

setMaxIndex

public void setMaxIndex(int maxIndex)

setMinIndex

public void setMinIndex(int minIndex)