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<p style="margin: 10px 0 0 0">Hi Ceki,</p>
<p style="margin: 10px 0 0 0">All is working fine now.</p>
<p style="margin: 10px 0 0 0">RollingDate, MaxHistory, MaxFileSize and CleanHistoryOnStart policies are working perfect together.</p>
<p style="margin: 10px 0 0 0">The final code:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
SiftingAppender siftingAppender = <span class="code-keyword" style="color: #000091">new</span> SiftingAppender();
siftingAppender.setContext(loggerContext);
siftingAppender.setName(<span class="code-quote" style="color: #009100">"SIFTING_APPENDER"</span>);
MDCBasedDiscriminator discriminator = <span class="code-keyword" style="color: #000091">new</span> MDCBasedDiscriminator();
discriminator.setKey(<span class="code-quote" style="color: #009100">"SIFT_KEY"</span>);
discriminator.setDefaultValue(<span class="code-quote" style="color: #009100">"SIFT_KEY_DEF"</span>);
discriminator.start();
siftingAppender.setDiscriminator(discriminator);
siftingAppender.setAppenderFactory(<span class="code-keyword" style="color: #000091">new</span> AppenderFactory<ILoggingEvent>() {
@Override
<span class="code-keyword" style="color: #000091">public</span> Appender<ILoggingEvent> buildAppender(Context context, <span class="code-object" style="color: #910091">String</span> discriminatingValue) <span class="code-keyword" style="color: #000091">throws</span> JoranException {
RollingFileAppender<ILoggingEvent> appender = <span class="code-keyword" style="color: #000091">new</span> RollingFileAppender<>();
appender.setName(<span class="code-quote" style="color: #009100">"ROLLING_APPENDER_"</span>+discriminatingValue);
appender.setContext(context);
appender.setFile(<span class="code-quote" style="color: #009100">"/<span class="code-keyword" style="color: #000091; color: #009100">var</span>/log/activeLog_"</span>+discriminatingValue+<span class="code-quote" style="color: #009100">".log"</span>);
TimeBasedRollingPolicy<ILoggingEvent> policy = <span class="code-keyword" style="color: #000091">new</span> TimeBasedRollingPolicy<>();
policy.setContext(context);
policy.setMaxHistory(2);
policy.setFileNamePattern(<span class="code-quote" style="color: #009100">"/<span class="code-keyword" style="color: #000091; color: #009100">var</span>/log/archivedLog_"</span>+discriminatingValue+<span class="code-quote" style="color: #009100">"_%d{yyyy_MM_dd_HH_mm}_%i.log"</span>);
policy.setParent(appender);
policy.setCleanHistoryOnStart(<span class="code-keyword" style="color: #000091">true</span>);
SizeAndTimeBasedFNATP<ILoggingEvent> innerpolicy = <span class="code-keyword" style="color: #000091">new</span> SizeAndTimeBasedFNATP<>();
innerpolicy.setContext(context);
innerpolicy.setMaxFileSize(<span class="code-quote" style="color: #009100">"5KB"</span>);
innerpolicy.setTimeBasedRollingPolicy(policy);
policy.setTimeBasedFileNamingAndTriggeringPolicy(innerpolicy);
policy.start();
appender.setRollingPolicy(policy);
PatternLayoutEncoder pattern = <span class="code-keyword" style="color: #000091">new</span> PatternLayoutEncoder();
pattern.setContext(context);
pattern.setPattern(<span class="code-quote" style="color: #009100">"%d{yyyy/MM/dd'T'HH:mm:ss} %-5level - %msg\n"</span>);
pattern.start();
appender.setEncoder(pattern);
appender.start();
<span class="code-keyword" style="color: #000091">return</span> appender;
}
});
siftingAppender.start();
ch.qos.logback.classic.Logger logger = (ch.qos.logback.classic.Logger)LoggerFactory.getLogger(<span class="code-quote" style="color: #009100">"org.test"</span>);
logger.addAppender(siftingAppender);
logger.setLevel(Level.DEBUG);
logger.setAdditive(<span class="code-keyword" style="color: #000091">false</span>); /* set to <span class="code-keyword" style="color: #000091">true</span> <span class="code-keyword" style="color: #000091">if</span> root should log too */
<span class="code-comment" style="color: #808080">//<span class="code-keyword" style="color: #000091; color: #808080">for</span> (<span class="code-object" style="color: #910091; color: #808080">int</span> i=0 ; i<100 ; i++) {
</span>
MDC.put(<span class="code-quote" style="color: #009100">"SIFT_KEY"</span>, <span class="code-quote" style="color: #009100">"SIFTED1"</span>);
logger.info(<span class="code-quote" style="color: #009100">"bla11........................."</span>);
logger.info(<span class="code-quote" style="color: #009100">"bla12........................."</span>);
logger.info(<span class="code-quote" style="color: #009100">"bla13........................."</span>);
MDC.clear();
MDC.put(<span class="code-quote" style="color: #009100">"SIFT_KEY"</span>, <span class="code-quote" style="color: #009100">"SIFTED2"</span>);
logger.info(<span class="code-quote" style="color: #009100">"bla21........................."</span>);
logger.info(<span class="code-quote" style="color: #009100">"bla22........................."</span>);
logger.info(<span class="code-quote" style="color: #009100">"bla23........................."</span>);
MDC.clear();
<span class="code-comment" style="color: #808080">//}
</span>
</pre>
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