org.apache.log4j.rule

Class NotRule

java.lang.Object

org.apache.log4j.rule.AbstractRule

org.apache.log4j.rule.NotRule

All Implemented Interfaces:

Serializable, Rule

public class NotRule
extends AbstractRule

A Rule class implementing logical not.

Author:

Scott Deboy (sdeboy@apache.org)

See Also:

Serialized Form

Method Summary

Methods

Modifier and Type	Method and Description
boolean	evaluate(org.apache.log4j.spi.LoggingEvent event, Map matches) Returns true if this implementation of the rule accepts the LoggingEvent, or false if not.
static Rule	getRule(Rule rule) Create new instance.
static Rule	getRule(Stack stack) Create new instance from top element of stack.

Methods inherited from class org.apache.log4j.rule.AbstractRule

addPropertyChangeListener, firePropertyChange, firePropertyChange, removePropertyChangeListener

Methods inherited from class java.lang.Object

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

Method Detail

getRule

public static Rule getRule(Rule rule)

Create new instance.

Parameters:

rule - enclosed rule.

Returns:

new rule.

getRule

public static Rule getRule(Stack stack)

Create new instance from top element of stack.

Parameters:

stack - stack

Returns:

new rule.

evaluate

public boolean evaluate(org.apache.log4j.spi.LoggingEvent event,
               Map matches)

Returns true if this implementation of the rule accepts the LoggingEvent, or false if not.

What True/False means can be client-specific.

Parameters:

event - LoggingEvent this instance will evaluate

matches - a Map of event field keys to Sets of matching strings (may be null) which will be updated during execution of this method to include field and string matches based on the rule evaluation results

Returns:

true if this Rule instance accepts the event, otherwise false.