org.apache.log4j.rolling

Class CompositeTriggeringPolicy

java.lang.Object

org.apache.log4j.rolling.CompositeTriggeringPolicy

All Implemented Interfaces:

TriggeringPolicy, org.apache.log4j.spi.OptionHandler, org.apache.log4j.xml.UnrecognizedElementHandler

public final class CompositeTriggeringPolicy
extends java.lang.Object
implements TriggeringPolicy, org.apache.log4j.xml.UnrecognizedElementHandler

CompositeTriggeringPolicy determines if rolling should be triggered by evaluating the current event against a set of triggering policies. TriggeringPolicy results are OR'd together - if any of the triggering policies report rolling should occur, a rolling event will be triggered.

Constructor Summary

Constructors

Constructor and Description
CompositeTriggeringPolicy()

Method Summary

Modifier and Type	Method and Description
void	activateOptions()
void	addTriggeringPolicy(TriggeringPolicy policy) Add triggering policy
boolean	isTriggeringEvent(org.apache.log4j.Appender appender, org.apache.log4j.spi.LoggingEvent event, java.lang.String file, long fileLength) Determines if a rollover may be appropriate at this time.
boolean	parseUnrecognizedElement(org.w3c.dom.Element element, java.util.Properties props)

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeTriggeringPolicy

public CompositeTriggeringPolicy()

Method Detail

isTriggeringEvent

public boolean isTriggeringEvent(org.apache.log4j.Appender appender,
                                 org.apache.log4j.spi.LoggingEvent event,
                                 java.lang.String file,
                                 long fileLength)

Description copied from interface: TriggeringPolicy

Determines if a rollover may be appropriate at this time. If true is returned, RolloverPolicy.rollover will be called but it can determine that a rollover is not warranted.

Specified by:

isTriggeringEvent in interface TriggeringPolicy

Parameters:

appender - A reference to the appender.

event - A reference to the currently event.

file - The filename for the currently active log file.

fileLength - Length of the file in bytes.

Returns:

true if a rollover should occur.

addTriggeringPolicy

public void addTriggeringPolicy(TriggeringPolicy policy)

Add triggering policy

Parameters:

policy -

activateOptions

public void activateOptions()

Specified by:

activateOptions in interface org.apache.log4j.spi.OptionHandler

parseUnrecognizedElement

public boolean parseUnrecognizedElement(org.w3c.dom.Element element,
                                        java.util.Properties props)
                                 throws java.lang.Exception

Specified by:

parseUnrecognizedElement in interface org.apache.log4j.xml.UnrecognizedElementHandler

Throws:

java.lang.Exception