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| <h1>DailyRollingFileAppender Class Reference</h1>Inheritance diagram for DailyRollingFileAppender:<p><center><img src="classlog4cxx_1_1DailyRollingFileAppender__inherit__graph.png" border="0" usemap="#DailyRollingFileAppender__inherit__map" alt="Inheritance graph"></center> |
| <map name="DailyRollingFileAppender__inherit__map"> |
| <area href="classlog4cxx_1_1FileAppender.html" shape="rect" coords="51,363,147,382" alt=""> |
| <area href="classlog4cxx_1_1WriterAppender.html" shape="rect" coords="45,294,152,313" alt=""> |
| <area href="classlog4cxx_1_1AppenderSkeleton.html" shape="rect" coords="36,225,161,243" alt=""> |
| <area href="classlog4cxx_1_1Appender.html" shape="rect" coords="12,155,87,174" alt=""> |
| <area href="classlog4cxx_1_1spi_1_1OptionHandler.html" shape="rect" coords="7,86,105,105" alt=""> |
| <area href="classlog4cxx_1_1helpers_1_1Object.html" shape="rect" coords="73,17,127,35" alt=""> |
| <area href="classlog4cxx_1_1helpers_1_1ObjectImpl.html" shape="rect" coords="111,155,188,174" alt=""> |
| </map> |
| <center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for DailyRollingFileAppender:<p><center><img src="classlog4cxx_1_1DailyRollingFileAppender__coll__graph.png" border="0" usemap="#DailyRollingFileAppender__coll__map" alt="Collaboration graph"></center> |
| <map name="DailyRollingFileAppender__coll__map"> |
| <area href="classlog4cxx_1_1FileAppender.html" shape="rect" coords="134,549,228,573" alt=""> |
| <area href="classlog4cxx_1_1WriterAppender.html" shape="rect" coords="125,448,229,472" alt=""> |
| <area href="classlog4cxx_1_1AppenderSkeleton.html" shape="rect" coords="92,346,214,370" alt=""> |
| <area href="classlog4cxx_1_1Appender.html" shape="rect" coords="21,197,93,221" alt=""> |
| <area href="classlog4cxx_1_1spi_1_1OptionHandler.html" shape="rect" coords="6,96,102,120" alt=""> |
| <area href="classlog4cxx_1_1helpers_1_1Object.html" shape="rect" coords="80,19,130,43" alt=""> |
| <area href="classlog4cxx_1_1helpers_1_1ObjectImpl.html" shape="rect" coords="100,147,174,171" alt=""> |
| <area href="classlog4cxx_1_1helpers_1_1ObjectPtrT.html" shape="rect" coords="278,197,350,221" alt=""> |
| <area href="classlog4cxx_1_1RollingCalendar.html" shape="rect" coords="261,397,368,421" alt=""> |
| <area href="classlog4cxx_1_1helpers_1_1DateFormat.html" shape="rect" coords="380,498,460,522" alt=""> |
| </map> |
| <center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="classlog4cxx_1_1DailyRollingFileAppender-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0> |
| <tr><td></td></tr> |
| <tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr> |
| <tr><td class="memItemLeft" nowrap align=right valign=top> </td><td class="memItemRight" valign=bottom><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#a0">DailyRollingFileAppender</a> ()</td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align=right valign=top> </td><td class="memItemRight" valign=bottom><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#a1">DailyRollingFileAppender</a> (<a class="el" href="classlog4cxx_1_1helpers_1_1ObjectPtrT.html">LayoutPtr</a> &<a class="el" href="classlog4cxx_1_1AppenderSkeleton.html#p0">layout</a>, const String &filename, const String &<a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#p0">datePattern</a>)</td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#a3">setDatePattern</a> (const String &pattern)</td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align=right valign=top>const String & </td><td class="memItemRight" valign=bottom><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#a4">getDatePattern</a> () const </td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#a5">activateOptions</a> ()</td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#a6">setOption</a> (const String &option, const String &value)</td></tr> |
| |
| <tr><td colspan=2><br><h2>Protected Member Functions</h2></td></tr> |
| <tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#b0">rollOver</a> ()</td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align=right valign=top>virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#b1">subAppend</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1ObjectPtrT.html">spi::LoggingEventPtr</a> &event)</td></tr> |
| |
| <tr><td colspan=2><br><h2>Protected Attributes</h2></td></tr> |
| <tr><td class="memItemLeft" nowrap align=right valign=top>String </td><td class="memItemRight" valign=bottom><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#p0">datePattern</a></td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align=right valign=top>String </td><td class="memItemRight" valign=bottom><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#p1">scheduledFilename</a></td></tr> |
| |
| <tr><td class="memItemLeft" nowrap align=right valign=top>int64_t </td><td class="memItemRight" valign=bottom><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#p2">nextCheck</a></td></tr> |
| |
| </table> |
| <hr><a name="_details"></a><h2>Detailed Description</h2> |
| <a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html">DailyRollingFileAppender</a> extends <a class="el" href="classlog4cxx_1_1FileAppender.html">FileAppender</a> so that the underlying file is rolled over at a user chosen frequency.<p> |
| The rolling schedule is specified by the <b>DatePattern</b> option. This pattern should follow the <a class="el" href="classlog4cxx_1_1helpers_1_1DateFormat.html">helpers::DateFormat</a> conventions. In particular, you <em>must</em> escape literal text within a pair of single quotes. A formatted version of the date pattern is used as the suffix for the rolled file name.<p> |
| For example, if the <b>File</b> option is set to <code>/foo/bar.log</code> and the <b>DatePattern</b> set to <code>'.'yyyy-MM-dd</code>, on 2001-02-16 at midnight, the logging file <code>/foo/bar.log</code> will be copied to <code>/foo/bar.log.2001-02-16</code> and logging for 2001-02-17 will continue in <code>/foo/bar.log</code> until it rolls over the next day.<p> |
| Is is possible to specify monthly, weekly, half-daily, daily, hourly, or minutely rollover schedules.<p> |
| <table border="1" cellpadding="2" cellspacing="3"> |
| <tr> |
| <th>DatePattern </th><th>Rollover schedule </th><th>Example<p> |
| </th></tr> |
| <tr> |
| <td><code>'.'yyyy-MM</code> </td><td>Rollover at the beginning of each month<p> |
| </td><td>At midnight of May 31st, 2002 <code>/foo/bar.log</code> will be copied to <code>/foo/bar.log.2002-05</code>. Logging for the month of June will be output to <code>/foo/bar.log</code> until it is also rolled over the next month.<p> |
| </td></tr> |
| <tr> |
| <td><code>'.'yyyy-ww</code><p> |
| </td><td>Rollover at the first day of each week. The first day of the week depends on the locale.<p> |
| </td><td>Assuming the first day of the week is Sunday, on Saturday midnight, June 9th 2002, the file <em>/foo/bar.log</em> will be copied to <em>/foo/bar.log.2002-23</em>. Logging for the 24th week of 2002 will be output to <code>/foo/bar.log</code> until it is rolled over the next week.<p> |
| </td></tr> |
| <tr> |
| <td><code>'.'yyyy-MM-dd</code><p> |
| </td><td>Rollover at midnight each day.<p> |
| </td><td>At 00:00 AM March 8th, 2002, <code>/foo/bar.log</code> will be copied to <code>/foo/bar.log.2002-03-07</code>. Logging for the 8th day of March will be output to <code>/foo/bar.log</code> until it is rolled over the next day.<p> |
| </td></tr> |
| <tr> |
| <td><code>'.'yyyy-MM-dd-a</code><p> |
| </td><td>Rollover at midnight and midday of each day.<p> |
| </td><td>At noon, on March 9th, 2002, <code>/foo/bar.log</code> will be copied to <code>/foo/bar.log.2002-03-09-AM</code>. Logging for the afternoon of the 9th will be output to <code>/foo/bar.log</code> until it is rolled over at midnight.<p> |
| </td></tr> |
| <tr> |
| <td><code>'.'yyyy-MM-dd-HH</code><p> |
| </td><td>Rollover at the top of every hour.<p> |
| </td><td>At approximately 11:00.000 o'clock on March 9th, 2002, <code>/foo/bar.log</code> will be copied to <code>/foo/bar.log.2002-03-09-10</code>. Logging for the 11th hour of the 9th of March will be output to <code>/foo/bar.log</code> until it is rolled over at the beginning of the next hour.<p> |
| </td></tr> |
| <tr> |
| <td><code>'.'yyyy-MM-dd-HH-mm</code><p> |
| </td><td>Rollover at the beginning of every minute.<p> |
| </td><td>At approximately 11:23,000, on March 9th, 2001, <code>/foo/bar.log</code> will be copied to <code>/foo/bar.log.2001-03-09-11-22</code>. Logging for the minute of 11:23 (9th of March) will be output to <code>/foo/bar.log</code> until it is rolled over the next minute.<p> |
| </td></tr> |
| </table> |
| <p> |
| Do not use the colon ":" character in anywhere in the <b>DatePattern</b> option. The text before the colon is interpeted as the protocol specificaion of a URL which is probably not what you want. |
| <p> |
| <hr><h2>Constructor & Destructor Documentation</h2> |
| <a class="anchor" name="a0" doxytag="log4cxx::DailyRollingFileAppender::DailyRollingFileAppender" ></a><p> |
| <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> |
| <tr> |
| <td class="mdRow"> |
| <table cellpadding="0" cellspacing="0" border="0"> |
| <tr> |
| <td class="md" nowrap valign="top"> <a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html">DailyRollingFileAppender</a> </td> |
| <td class="md" valign="top">( </td> |
| <td class="mdname1" valign="top" nowrap> </td> |
| <td class="md" valign="top"> ) </td> |
| <td class="md" nowrap></td> |
| </tr> |
| |
| </table> |
| </td> |
| </tr> |
| </table> |
| <table cellspacing=5 cellpadding=0 border=0> |
| <tr> |
| <td> |
| |
| </td> |
| <td> |
| |
| <p> |
| The default constructor does nothing. </td> |
| </tr> |
| </table> |
| <a class="anchor" name="a1" doxytag="log4cxx::DailyRollingFileAppender::DailyRollingFileAppender" ></a><p> |
| <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> |
| <tr> |
| <td class="mdRow"> |
| <table cellpadding="0" cellspacing="0" border="0"> |
| <tr> |
| <td class="md" nowrap valign="top"> <a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html">DailyRollingFileAppender</a> </td> |
| <td class="md" valign="top">( </td> |
| <td class="md" nowrap valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1ObjectPtrT.html">LayoutPtr</a> & </td> |
| <td class="mdname" nowrap> <em>layout</em>, </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td></td> |
| <td class="md" nowrap>const String & </td> |
| <td class="mdname" nowrap> <em>filename</em>, </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td></td> |
| <td class="md" nowrap>const String & </td> |
| <td class="mdname" nowrap> <em>datePattern</em></td> |
| </tr> |
| <tr> |
| <td></td> |
| <td class="md">) </td> |
| <td class="md" colspan="2"></td> |
| </tr> |
| |
| </table> |
| </td> |
| </tr> |
| </table> |
| <table cellspacing=5 cellpadding=0 border=0> |
| <tr> |
| <td> |
| |
| </td> |
| <td> |
| |
| <p> |
| Instantiate a <code><a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html">DailyRollingFileAppender</a></code> and open the file designated by <code>filename</code>. The opened filename will become the ouput destination for this appender. </td> |
| </tr> |
| </table> |
| <hr><h2>Member Function Documentation</h2> |
| <a class="anchor" name="a5" doxytag="log4cxx::DailyRollingFileAppender::activateOptions" ></a><p> |
| <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> |
| <tr> |
| <td class="mdRow"> |
| <table cellpadding="0" cellspacing="0" border="0"> |
| <tr> |
| <td class="md" nowrap valign="top"> void activateOptions </td> |
| <td class="md" valign="top">( </td> |
| <td class="mdname1" valign="top" nowrap> </td> |
| <td class="md" valign="top"> ) </td> |
| <td class="md" nowrap><code> [virtual]</code></td> |
| </tr> |
| |
| </table> |
| </td> |
| </tr> |
| </table> |
| <table cellspacing=5 cellpadding=0 border=0> |
| <tr> |
| <td> |
| |
| </td> |
| <td> |
| |
| <p> |
| Sets and <em>opens</em> the file where the log output will go. The specified file must be writable.<p> |
| If there was already an opened file, then the previous file is closed first. |
| <p> |
| Reimplemented from <a class="el" href="classlog4cxx_1_1FileAppender.html#a9">FileAppender</a>. </td> |
| </tr> |
| </table> |
| <a class="anchor" name="a4" doxytag="log4cxx::DailyRollingFileAppender::getDatePattern" ></a><p> |
| <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> |
| <tr> |
| <td class="mdRow"> |
| <table cellpadding="0" cellspacing="0" border="0"> |
| <tr> |
| <td class="md" nowrap valign="top"> const String& getDatePattern </td> |
| <td class="md" valign="top">( </td> |
| <td class="mdname1" valign="top" nowrap> </td> |
| <td class="md" valign="top"> ) </td> |
| <td class="md" nowrap> const<code> [inline]</code></td> |
| </tr> |
| |
| </table> |
| </td> |
| </tr> |
| </table> |
| <table cellspacing=5 cellpadding=0 border=0> |
| <tr> |
| <td> |
| |
| </td> |
| <td> |
| |
| <p> |
| Returns the value of the <b>DatePattern</b> option. </td> |
| </tr> |
| </table> |
| <a class="anchor" name="b0" doxytag="log4cxx::DailyRollingFileAppender::rollOver" ></a><p> |
| <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> |
| <tr> |
| <td class="mdRow"> |
| <table cellpadding="0" cellspacing="0" border="0"> |
| <tr> |
| <td class="md" nowrap valign="top"> void rollOver </td> |
| <td class="md" valign="top">( </td> |
| <td class="mdname1" valign="top" nowrap> </td> |
| <td class="md" valign="top"> ) </td> |
| <td class="md" nowrap><code> [protected]</code></td> |
| </tr> |
| |
| </table> |
| </td> |
| </tr> |
| </table> |
| <table cellspacing=5 cellpadding=0 border=0> |
| <tr> |
| <td> |
| |
| </td> |
| <td> |
| |
| <p> |
| Rollover the current file to a new file. </td> |
| </tr> |
| </table> |
| <a class="anchor" name="a3" doxytag="log4cxx::DailyRollingFileAppender::setDatePattern" ></a><p> |
| <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> |
| <tr> |
| <td class="mdRow"> |
| <table cellpadding="0" cellspacing="0" border="0"> |
| <tr> |
| <td class="md" nowrap valign="top"> void setDatePattern </td> |
| <td class="md" valign="top">( </td> |
| <td class="md" nowrap valign="top">const String & </td> |
| <td class="mdname1" valign="top" nowrap> <em>pattern</em> </td> |
| <td class="md" valign="top"> ) </td> |
| <td class="md" nowrap><code> [inline]</code></td> |
| </tr> |
| |
| </table> |
| </td> |
| </tr> |
| </table> |
| <table cellspacing=5 cellpadding=0 border=0> |
| <tr> |
| <td> |
| |
| </td> |
| <td> |
| |
| <p> |
| The <b>DatePattern</b> takes a string in the same format as expected by <a class="el" href="classlog4cxx_1_1helpers_1_1DateFormat.html">helpers::DateFormat</a>. This options determines the rollover schedule. </td> |
| </tr> |
| </table> |
| <a class="anchor" name="a6" doxytag="log4cxx::DailyRollingFileAppender::setOption" ></a><p> |
| <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> |
| <tr> |
| <td class="mdRow"> |
| <table cellpadding="0" cellspacing="0" border="0"> |
| <tr> |
| <td class="md" nowrap valign="top"> void setOption </td> |
| <td class="md" valign="top">( </td> |
| <td class="md" nowrap valign="top">const String & </td> |
| <td class="mdname" nowrap> <em>option</em>, </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td></td> |
| <td class="md" nowrap>const String & </td> |
| <td class="mdname" nowrap> <em>value</em></td> |
| </tr> |
| <tr> |
| <td></td> |
| <td class="md">) </td> |
| <td class="md" colspan="2"><code> [virtual]</code></td> |
| </tr> |
| |
| </table> |
| </td> |
| </tr> |
| </table> |
| <table cellspacing=5 cellpadding=0 border=0> |
| <tr> |
| <td> |
| |
| </td> |
| <td> |
| |
| <p> |
| Set <code>option</code> to <code>value</code>.<p> |
| The handling of each option depends on the OptionHandler instance. Some options may become active immediately whereas other may be activated only when <a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#a5">activateOptions</a> is called. |
| <p> |
| Reimplemented from <a class="el" href="classlog4cxx_1_1FileAppender.html#a10">FileAppender</a>. </td> |
| </tr> |
| </table> |
| <a class="anchor" name="b1" doxytag="log4cxx::DailyRollingFileAppender::subAppend" ></a><p> |
| <table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> |
| <tr> |
| <td class="mdRow"> |
| <table cellpadding="0" cellspacing="0" border="0"> |
| <tr> |
| <td class="md" nowrap valign="top"> void subAppend </td> |
| <td class="md" valign="top">( </td> |
| <td class="md" nowrap valign="top">const <a class="el" href="classlog4cxx_1_1helpers_1_1ObjectPtrT.html">spi::LoggingEventPtr</a> & </td> |
| <td class="mdname1" valign="top" nowrap> <em>event</em> </td> |
| <td class="md" valign="top"> ) </td> |
| <td class="md" nowrap><code> [protected, virtual]</code></td> |
| </tr> |
| |
| </table> |
| </td> |
| </tr> |
| </table> |
| <table cellspacing=5 cellpadding=0 border=0> |
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| This method differentiates <a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html">DailyRollingFileAppender</a> from its super class.<p> |
| Before actually logging, this method will check whether it is time to do a rollover. If it is, it will schedule the next rollover time and then rollover. |
| <p> |
| Reimplemented from <a class="el" href="classlog4cxx_1_1WriterAppender.html#b2">WriterAppender</a>. </td> |
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| <hr><h2>Member Data Documentation</h2> |
| <a class="anchor" name="p0" doxytag="log4cxx::DailyRollingFileAppender::datePattern" ></a><p> |
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| <td class="md" nowrap valign="top"> String <a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#p0">datePattern</a><code> [protected]</code> |
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| The date pattern. By default, the pattern is set to "'.'yyyy-MM-dd" meaning daily rollover. </td> |
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| <a class="anchor" name="p2" doxytag="log4cxx::DailyRollingFileAppender::nextCheck" ></a><p> |
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| <td class="md" nowrap valign="top"> int64_t <a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#p2">nextCheck</a><code> [protected]</code> |
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| The next time we estimate a rollover should occur. </td> |
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| <a class="anchor" name="p1" doxytag="log4cxx::DailyRollingFileAppender::scheduledFilename" ></a><p> |
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| <td class="md" nowrap valign="top"> String <a class="el" href="classlog4cxx_1_1DailyRollingFileAppender.html#p1">scheduledFilename</a><code> [protected]</code> |
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| The log file will be renamed to the value of the scheduledFilename variable when the next interval is entered. For example, if the rollover period is one hour, the log file will be renamed to the value of "scheduledFilename" at the beginning of the next hour.<p> |
| The precise time when a rollover occurs depends on logging activity. </td> |
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| </table> |
| <hr>The documentation for this class was generated from the following files:<ul> |
| <li>dailyrollingfileappender.h<li>dailyrollingfileappender.cpp</ul> |
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| Copyright © 1999-2004, Apache Software Foundation |
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