Package org.apache.log.output.io.rotate
Class RotateStrategyBySize
- java.lang.Object
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- org.apache.log.output.io.rotate.RotateStrategyBySize
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- All Implemented Interfaces:
RotateStrategy
public class RotateStrategyBySize extends java.lang.Object implements RotateStrategy
Rotation strategy based on size written to log file. The strategy will signal that a rotation is needed if the size goes above a set limit. Due to performance reasons the limit is not strictly enforced, however, the strategy has at most an error of the longest single data message written to the logging system. The error will occur immediately after a rotation, when the strategy is reset and the data that triggered the rotation is written. The strategy's internal counter will then be off with data.length() bytes.- Author:
- Leo Sutic, Bernhard Huber
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Field Summary
Fields Modifier and Type Field Description private long
m_currentSize
private long
m_maxSize
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Constructor Summary
Constructors Constructor Description RotateStrategyBySize()
Rotate logs by size.RotateStrategyBySize(long maxSize)
Rotate logs by size.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
isRotationNeeded(java.lang.String data, java.io.File file)
Check if now a log rotation is neccessary.void
reset()
Reset log size written so far.
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Constructor Detail
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RotateStrategyBySize
public RotateStrategyBySize()
Rotate logs by size. By default do log rotation before writing approx. 1MB of messages
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RotateStrategyBySize
public RotateStrategyBySize(long maxSize)
Rotate logs by size.- Parameters:
maxSize
- rotate before writing maxSize [byte] of messages
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Method Detail
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reset
public void reset()
Reset log size written so far.- Specified by:
reset
in interfaceRotateStrategy
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isRotationNeeded
public boolean isRotationNeeded(java.lang.String data, java.io.File file)
Check if now a log rotation is neccessary.- Specified by:
isRotationNeeded
in interfaceRotateStrategy
- Parameters:
data
- the message about to be written to the log systemfile
- not used- Returns:
- boolean return true if log rotation is neccessary, else false
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