org.apache.log.output.io.rotate
Class RotateStrategyByTime

java.lang.Object
  org.apache.log.output.io.rotate.RotateStrategyByTime

All Implemented Interfaces:

RotateStrategy

public class RotateStrategyByTime
extends java.lang.Object
implements RotateStrategy

rotation stragety based when log writting started.

Author:

Bernhard Huber

Field Summary

private long	m_currentRotation
private long	m_startingTime
private long	m_timeInterval

Constructor Summary

RotateStrategyByTime()
Rotate logs by time.

RotateStrategyByTime(long timeInterval)
Rotate logs by time.

Method Summary

boolean	isRotationNeeded(java.lang.String data, java.io.File file) Check if now a log rotation is neccessary.
void	reset() reset interval history counters.

Methods inherited from class java.lang.Object

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

Field Detail

m_timeInterval

private long m_timeInterval

m_startingTime

private long m_startingTime

m_currentRotation

private long m_currentRotation

Constructor Detail

RotateStrategyByTime

public RotateStrategyByTime()

Rotate logs by time. By default do log rotation every 24 hours

RotateStrategyByTime

public RotateStrategyByTime(long timeInterval)

Rotate logs by time.

Parameters:

timeInterval - rotate before time-interval [ms] has expired

Method Detail

reset

public void reset()

reset interval history counters.

Specified by:

reset in interface RotateStrategy

isRotationNeeded

public boolean isRotationNeeded(java.lang.String data,
                                java.io.File file)

Check if now a log rotation is neccessary. If (current_time - m_startingTime) / m_timeInterval > m_currentRotation rotation is needed.

Specified by:

isRotationNeeded in interface RotateStrategy

Parameters:

data - the last message written to the log system

file - not used

Returns:

boolean return true if log rotation is neccessary, else false