RotateStrategyByTime

java.lang.Object

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

All Implemented Interfaces:: RotateStrategy

public class RotateStrategyByTime extends Object implements RotateStrategy

rotation stragety based when log writting started.

Author:: Bernhard Huber

Field Summary

Fields

Modifier and Type

Field

Description

private long

m_currentRotation

rotation count.

private long

m_startingTime

time when logging started.

private long

m_timeInterval

time interval when rotation is triggered.
Constructor Summary

Constructors

Constructor

Description

RotateStrategyByTime()

Rotate logs by time.

RotateStrategyByTime(long timeInterval)

Rotate logs by time.
Method Summary

Modifier and Type

Method

Description

boolean

isRotationNeeded(String data, File file)

Check if now a log rotation is neccessary.

void

reset()

reset interval history counters.

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- m_timeInterval
  
  private long m_timeInterval
  
  time interval when rotation is triggered.
- m_startingTime
  
  private long m_startingTime
  
  time when logging started.
- m_currentRotation
  
  private long m_currentRotation
  
  rotation count.
Constructor Details
- 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 Details
- reset
  
  public void reset()
  
  reset interval history counters.
  
  Specified by:
  
  reset in interface RotateStrategy
- isRotationNeeded
  
  public boolean isRotationNeeded(String data, 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