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<tr><td class="memItemLeft" nowrap align="right" valign="top">class &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1spi_1_1_triggering_event_evaluator.html">TriggeringEventEvaluator</a></td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Implementions of this interface allow certain appenders to decide when to perform an appender specific action.  <a href="classlog4cxx_1_1spi_1_1_triggering_event_eval