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18 package org.apache.log4j.spi;
22 Implementions of this interface allow certain appenders to decide
23 when to perform an appender specific action.
25 <p>For example the {@link org.apache.log4j.net.SMTPAppender} sends
26 an email when the {@link #isTriggeringEvent} method returns
27 <code>true</code> and adds the event to an internal buffer when the
28 returned result is <code>false</code>.
30 @author Ceki Gülcü
34 public interface TriggeringEventEvaluator {
37 Is this the triggering event?
39 public boolean isTriggeringEvent(LoggingEvent event);