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public interface Rule
A Rule evaluates to true of false given a LoggingEvent object, and can notify listeners when the underlying implementation of this Rule has it's criteria changed by using the standard PropertyChangeListener infrastructure.
Method Summary | |
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void |
addPropertyChangeListener(java.beans.PropertyChangeListener listener)
Adds a PropertyChangeListener to this instance, which is notified when underlying Rule information has changed. |
boolean |
evaluate(org.apache.log4j.spi.LoggingEvent e,
java.util.Map matches)
Returns true if this implementation of the rule accepts the LoggingEvent, or false if not. |
void |
removePropertyChangeListener(java.beans.PropertyChangeListener listener)
Removes a known PropertyChangeListener from this Rule. |
Method Detail |
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boolean evaluate(org.apache.log4j.spi.LoggingEvent e, java.util.Map matches)
What True/False means can be client-specific.
e
- LoggingEvent this instance will evaluatematches
- 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
void addPropertyChangeListener(java.beans.PropertyChangeListener listener)
listener
- listenervoid removePropertyChangeListener(java.beans.PropertyChangeListener listener)
listener
- listener
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Copyright © 2010 The Apache Software Foundation. Licensed under the Apache License, Version 2.0
Apache Extras Companion for Apache log4j, Apache log4j and Apache are trademarks of the Apache Software Foundation.