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ExternallyRolledFileAppender (Log4j Version 1.2.14)
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org.apache.log4j.varia</FONT>
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Class ExternallyRolledFileAppender</H2>
<PRE>
<A HREF="/usr/share/javadoc/java/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/log4j/AppenderSkeleton.html" title="class in org.apache.log4j">org.apache.log4j.AppenderSkeleton</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/log4j/WriterAppender.html" title="class in org.apache.log4j">org.apache.log4j.WriterAppender</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/log4j/FileAppender.html" title="class in org.apache.log4j">org.apache.log4j.FileAppender</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/log4j/RollingFileAppender.html" title="class in org.apache.log4j">org.apache.log4j.RollingFileAppender</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.log4j.varia.ExternallyRolledFileAppender</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</A>, <A HREF="../../../../org/apache/log4j/spi/OptionHandler.html" title="interface in org.apache.log4j.spi">OptionHandler</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>ExternallyRolledFileAppender</B><DT>extends <A HREF="../../../../org/apache/log4j/RollingFileAppender.html" title="class in org.apache.log4j">RollingFileAppender</A></DL>
</PRE>
<P>
This appender listens on a socket on the port specified by the
<b>Port</b> property for a "RollOver" message. When such a message
is received, the underlying log file is rolled over and an
acknowledgment message is sent back to the process initiating the
roll over.
<p>This method of triggering roll over has the advantage of being
operating system independent, fast and reliable.
<p>A simple application <A HREF="../../../../org/apache/log4j/varia/Roller.html" title="class in org.apache.log4j.varia"><CODE>Roller</CODE></A> is provided to initiate the
roll over.
<p>Note that the initiator is not authenticated. Anyone can trigger
a rollover. In production environments, it is recommended that you
add some form of protection to prevent undesired rollovers.
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>version 0.9.0</DD>
<DT><B>Author:</B></DT>
<DD>Ceki Gülcü</DD>
</DL>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<CODE>static <A HREF="/usr/share/javadoc/java/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/log4j/varia/ExternallyRolledFileAppender.html#OK">OK</A></B></CODE>
<BR>
The string constant sent to acknowledge a roll over.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="/usr/share/javadoc/java/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/log4j/varia/ExternallyRolledFileAppender.html#ROLL_OVER">ROLL_OVER</A></B></CODE>
<BR>
The string constant sent to initiate a roll over.</TD>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_org.apache.log4j.RollingFileAppender"><!-- --></A>
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<TH ALIGN="left"><B>Fields inherited from class org.apache.log4j.<A HREF="../../../../org/apache/log4j/RollingFileAppender.html" title="class in org.apache.log4j">RollingFileAppender</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/log4j/RollingFileAppender.html#maxBackupIndex">maxBackupIndex</A>, <A HREF="../../../../org/apache/log4j/RollingFileAppender.html#maxFileSize">maxFileSize</A></CODE></TD>
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</TABLE>
<A NAME="fields_inherited_from_class_org.apache.log4j.FileAppender"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.log4j.<A HREF="../../../../org/apache/log4j/FileAppender.html" title="class in org.apache.log4j">FileAppender</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/log4j/FileAppender.html#bufferedIO">bufferedIO</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#bufferSize">bufferSize</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#fileAppend">fileAppend</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#fileName">fileName</A></CODE></TD>
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</TABLE>
<A NAME="fields_inherited_from_class_org.apache.log4j.WriterAppender"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.log4j.<A HREF="../../../../org/apache/log4j/WriterAppender.html" title="class in org.apache.log4j">WriterAppender</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/log4j/WriterAppender.html#encoding">encoding</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#immediateFlush">immediateFlush</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#qw">qw</A></CODE></TD>
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<A NAME="fields_inherited_from_class_org.apache.log4j.AppenderSkeleton"><!-- --></A>
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<TH ALIGN="left"><B>Fields inherited from class org.apache.log4j.<A HREF="../../../../org/apache/log4j/AppenderSkeleton.html" title="class in org.apache.log4j">AppenderSkeleton</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#closed">closed</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#errorHandler">errorHandler</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#headFilter">headFilter</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#layout">layout</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#name">name</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#tailFilter">tailFilter</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#threshold">threshold</A></CODE></TD>
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</TABLE>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../../org/apache/log4j/varia/ExternallyRolledFileAppender.html#ExternallyRolledFileAppender()">ExternallyRolledFileAppender</A></B>()</CODE>
<BR>
The default constructor does nothing but calls its super-class
constructor.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/log4j/varia/ExternallyRolledFileAppender.html#activateOptions()">activateOptions</A></B>()</CODE>
<BR>
Start listening on the port specified by a preceding call to
<A HREF="../../../../org/apache/log4j/varia/ExternallyRolledFileAppender.html#setPort(int)"><CODE>setPort(int)</CODE></A>.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/log4j/varia/ExternallyRolledFileAppender.html#getPort()">getPort</A></B>()</CODE>
<BR>
Returns value of the <b>Port</b> option.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/apache/log4j/varia/ExternallyRolledFileAppender.html#setPort(int)">setPort</A></B>(int port)</CODE>
<BR>
The <b>Port</b> [roperty is used for setting the port for
listening to external roll over messages.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.log4j.RollingFileAppender"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.log4j.<A HREF="../../../../org/apache/log4j/RollingFileAppender.html" title="class in org.apache.log4j">RollingFileAppender</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/log4j/RollingFileAppender.html#getMaxBackupIndex()">getMaxBackupIndex</A>, <A HREF="../../../../org/apache/log4j/RollingFileAppender.html#getMaximumFileSize()">getMaximumFileSize</A>, <A HREF="../../../../org/apache/log4j/RollingFileAppender.html#rollOver()">rollOver</A>, <A HREF="../../../../org/apache/log4j/RollingFileAppender.html#setFile(java.lang.String, boolean, boolean, int)">setFile</A>, <A HREF="../../../../org/apache/log4j/RollingFileAppender.html#setMaxBackupIndex(int)">setMaxBackupIndex</A>, <A HREF="../../../../org/apache/log4j/RollingFileAppender.html#setMaxFileSize(java.lang.String)">setMaxFileSize</A>, <A HREF="../../../../org/apache/log4j/RollingFileAppender.html#setMaximumFileSize(long)">setMaximumFileSize</A>, <A HREF="../../../../org/apache/log4j/RollingFileAppender.html#setQWForFiles(java.io.Writer)">setQWForFiles</A>, <A HREF="../../../../org/apache/log4j/RollingFileAppender.html#subAppend(org.apache.log4j.spi.LoggingEvent)">subAppend</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.log4j.FileAppender"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left"><B>Methods inherited from class org.apache.log4j.<A HREF="../../../../org/apache/log4j/FileAppender.html" title="class in org.apache.log4j">FileAppender</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/log4j/FileAppender.html#closeFile()">closeFile</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#getAppend()">getAppend</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#getBufferedIO()">getBufferedIO</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#getBufferSize()">getBufferSize</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#getFile()">getFile</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#reset()">reset</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#setAppend(boolean)">setAppend</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#setBufferedIO(boolean)">setBufferedIO</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#setBufferSize(int)">setBufferSize</A>, <A HREF="../../../../org/apache/log4j/FileAppender.html#setFile(java.lang.String)">setFile</A></CODE></TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.log4j.WriterAppender"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.log4j.<A HREF="../../../../org/apache/log4j/WriterAppender.html" title="class in org.apache.log4j">WriterAppender</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/apache/log4j/WriterAppender.html#append(org.apache.log4j.spi.LoggingEvent)">append</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#checkEntryConditions()">checkEntryConditions</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#close()">close</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#closeWriter()">closeWriter</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#createWriter(java.io.OutputStream)">createWriter</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#getEncoding()">getEncoding</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#getImmediateFlush()">getImmediateFlush</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#requiresLayout()">requiresLayout</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#setEncoding(java.lang.String)">setEncoding</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#setErrorHandler(org.apache.log4j.spi.ErrorHandler)">setErrorHandler</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#setImmediateFlush(boolean)">setImmediateFlush</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#setWriter(java.io.Writer)">setWriter</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#writeFooter()">writeFooter</A>, <A HREF="../../../../org/apache/log4j/WriterAppender.html#writeHeader()">writeHeader</A></CODE></TD>
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<TD><CODE><A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#addFilter(org.apache.log4j.spi.Filter)">addFilter</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#clearFilters()">clearFilters</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#doAppend(org.apache.log4j.spi.LoggingEvent)">doAppend</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#finalize()">finalize</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#getErrorHandler()">getErrorHandler</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#getFilter()">getFilter</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#getFirstFilter()">getFirstFilter</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#getLayout()">getLayout</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#getName()">getName</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#getThreshold()">getThreshold</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#isAsSevereAsThreshold(org.apache.log4j.Priority)">isAsSevereAsThreshold</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#setLayout(org.apache.log4j.Layout)">setLayout</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#setName(java.lang.String)">setName</A>, <A HREF="../../../../org/apache/log4j/AppenderSkeleton.html#setThreshold(org.apache.log4j.Priority)">setThreshold</A></CODE></TD>
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<A NAME="ROLL_OVER"><!-- --></A><H3>
ROLL_OVER</H3>
<PRE>
public static final <A HREF="/usr/share/javadoc/java/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>ROLL_OVER</B></PRE>
<DL>
<DD>The string constant sent to initiate a roll over. Current value of
this string constant is <b>RollOver</b>.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.log4j.varia.ExternallyRolledFileAppender.ROLL_OVER">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="OK"><!-- --></A><H3>
OK</H3>
<PRE>
public static final <A HREF="/usr/share/javadoc/java/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>OK</B></PRE>
<DL>
<DD>The string constant sent to acknowledge a roll over. Current value of
this string constant is <b>OK</b>.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.apache.log4j.varia.ExternallyRolledFileAppender.OK">Constant Field Values</A></DL>
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<A NAME="ExternallyRolledFileAppender()"><!-- --></A><H3>
ExternallyRolledFileAppender</H3>
<PRE>
public <B>ExternallyRolledFileAppender</B>()</PRE>
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<DD>The default constructor does nothing but calls its super-class
constructor.
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<A NAME="setPort(int)"><!-- --></A><H3>
setPort</H3>
<PRE>
public void <B>setPort</B>(int port)</PRE>
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<DD>The <b>Port</b> [roperty is used for setting the port for
listening to external roll over messages.
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<A NAME="getPort()"><!-- --></A><H3>
getPort</H3>
<PRE>
public int <B>getPort</B>()</PRE>
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<DD>Returns value of the <b>Port</b> option.
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<A NAME="activateOptions()"><!-- --></A><H3>
activateOptions</H3>
<PRE>
public void <B>activateOptions</B>()</PRE>
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<DD>Start listening on the port specified by a preceding call to
<A HREF="../../../../org/apache/log4j/varia/ExternallyRolledFileAppender.html#setPort(int)"><CODE>setPort(int)</CODE></A>.
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<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/log4j/spi/OptionHandler.html#activateOptions()">activateOptions</A></CODE> in interface <CODE><A HREF="../../../../org/apache/log4j/spi/OptionHandler.html" title="interface in org.apache.log4j.spi">OptionHandler</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/apache/log4j/FileAppender.html#activateOptions()">activateOptions</A></CODE> in class <CODE><A HREF="../../../../org/apache/log4j/FileAppender.html" title="class in org.apache.log4j">FileAppender</A></CODE></DL>
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