FixedWindowRollingPolicy

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

Field Summary

Fields

Modifier and Type	Field and Description
`static 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 and Description
`FixedWindowRollingPolicy()`

Method Summary

All Methods

Instance Methods

Concrete Methods
Modifier and Type	Method and 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 Detail
  - ZIP_ENTRY_DATE_PATTERN
```
public static final String ZIP_ENTRY_DATE_PATTERN
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - FixedWindowRollingPolicy
```
public FixedWindowRollingPolicy()
```
- Method Detail
  - start
```
public void start()
```
  - 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)
```