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| <h2 title="Interface TriggeringPolicy" class="title">Interface TriggeringPolicy</h2> |
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| <dt>All Superinterfaces:</dt> |
| <dd>org.apache.log4j.spi.OptionHandler</dd> |
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| <dd><a href="../../../../org/apache/log4j/rolling/CompositeTriggeringPolicy.html" title="class in org.apache.log4j.rolling">CompositeTriggeringPolicy</a>, <a href="../../../../org/apache/log4j/rolling/FilterBasedTriggeringPolicy.html" title="class in org.apache.log4j.rolling">FilterBasedTriggeringPolicy</a>, <a href="../../../../org/apache/log4j/rolling/SizeBasedTriggeringPolicy.html" title="class in org.apache.log4j.rolling">SizeBasedTriggeringPolicy</a>, <a href="../../../../org/apache/log4j/rolling/TimeBasedRollingPolicy.html" title="class in org.apache.log4j.rolling">TimeBasedRollingPolicy</a></dd> |
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| <pre>public interface <span class="strong">TriggeringPolicy</span> |
| extends org.apache.log4j.spi.OptionHandler</pre> |
| <div class="block">A <code>TriggeringPolicy</code> controls the conditions under which rollover |
| occurs. Such conditions include time of day, file size, an |
| external event, the log request or a combination thereof.</div> |
| <dl><dt><span class="strong">Author:</span></dt> |
| <dd>Ceki Gülcü, Curt Arnold</dd></dl> |
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| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/log4j/rolling/TriggeringPolicy.html#isTriggeringEvent(org.apache.log4j.Appender, org.apache.log4j.spi.LoggingEvent, java.lang.String, long)">isTriggeringEvent</a></strong>(org.apache.log4j.Appender appender, |
| org.apache.log4j.spi.LoggingEvent event, |
| <a href="http://docs.oracle.com/javase/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> filename, |
| long fileLength)</code> |
| <div class="block">Determines if a rollover may be appropriate at this time.</div> |
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| <code>activateOptions</code></li> |
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| <h4>isTriggeringEvent</h4> |
| <pre>boolean isTriggeringEvent(org.apache.log4j.Appender appender, |
| org.apache.log4j.spi.LoggingEvent event, |
| <a href="http://docs.oracle.com/javase/1.4.2/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> filename, |
| long fileLength)</pre> |
| <div class="block">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.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>appender</code> - A reference to the appender.</dd><dd><code>event</code> - A reference to the currently event.</dd><dd><code>filename</code> - The filename for the currently active log file.</dd><dd><code>fileLength</code> - Length of the file in bytes.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>true if a rollover should occur.</dd></dl> |
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