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<title>Apache log4cxx: RollingFileAppender Class Reference</title>
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<a class="el" href="namespacelog4cxx.html">log4cxx</a>::<a class="el" href="classlog4cxx_1_1_rolling_file_appender.html">RollingFileAppender</a></div>
<h1>RollingFileAppender Class Reference</h1><!-- doxytag: class="log4cxx::RollingFileAppender" --><!-- doxytag: inherits="log4cxx::rolling::RollingFileAppenderSkeleton" -->Inherits <a class="el" href="classlog4cxx_1_1rolling_1_1_rolling_file_appender_skeleton.html">RollingFileAppenderSkeleton</a>.
<p>
<a href="classlog4cxx_1_1_rolling_file_appender-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
<a class="el" href="classlog4cxx_1_1_rolling_file_appender.html">RollingFileAppender</a> extends <a class="el" href="classlog4cxx_1_1_file_appender.html">FileAppender</a> to backup the log files when they reach a certain size.
<p>
<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_1_rolling_file_appender.html#7ff2336642ee72e003ad17ae21111b2a">RollingFileAppender</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The default constructor simply calls its <a class="el" href="classlog4cxx_1_1_file_appender.html#3d8fe210d6211cccc14aa2363753cffd">parents constructor</a>. <a href="#7ff2336642ee72e003ad17ae21111b2a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html#a2e7128438e707a5cd3f52cc890eb9d0">RollingFileAppender</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LayoutPtr</a> &<a class="el" href="classlog4cxx_1_1_appender_skeleton.html#f1f4e6a2229d95a18324c4e7fa71be65">layout</a>, const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &<a class="el" href="classlog4cxx_1_1_file_appender.html#017826792cfaa215e4ae83bb3aef2681">fileName</a>, bool append)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Instantiate a <a class="el" href="classlog4cxx_1_1_rolling_file_appender.html">RollingFileAppender</a> and open the file designated by <code>filename</code>. <a href="#a2e7128438e707a5cd3f52cc890eb9d0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html#aa4fbd8399299198e158f83e8e7ef9d8">RollingFileAppender</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LayoutPtr</a> &<a class="el" href="classlog4cxx_1_1_appender_skeleton.html#f1f4e6a2229d95a18324c4e7fa71be65">layout</a>, const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &<a class="el" href="classlog4cxx_1_1_file_appender.html#017826792cfaa215e4ae83bb3aef2681">fileName</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Instantiate a <a class="el" href="classlog4cxx_1_1_file_appender.html">FileAppender</a> and open the file designated by <code>filename</code>. <a href="#aa4fbd8399299198e158f83e8e7ef9d8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html#f91b48ed533d50489683422d1d5dde74">~RollingFileAppender</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html#85daa9ec83daf40b57563fa715cc9bec">getMaxBackupIndex</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the value of the <b>MaxBackupIndex</b> option. <a href="#85daa9ec83daf40b57563fa715cc9bec"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html#8803ec00f121186668bacae35f0d378e">getMaximumFileSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the maximum size that the output file is allowed to reach before being rolled over to backup files. <a href="#8803ec00f121186668bacae35f0d378e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html#ae5aa2bc134f65cb35b7e33943232ab6">setMaxBackupIndex</a> (int maxBackupIndex)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the maximum number of backup files to keep around. <a href="#ae5aa2bc134f65cb35b7e33943232ab6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html#811555c3606286c2f0497927d0a6b118">setMaxFileSize</a> (const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the maximum size that the output file is allowed to reach before being rolled over to backup files. <a href="#811555c3606286c2f0497927d0a6b118"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html#e01f341f61eae0cdc146c44618e17faf">setMaximumFileSize</a> (int value)</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_1_rolling_file_appender.html#ee5023c29cca9dc68164b22a01cb7c6e">setOption</a> (const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &option, const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set <code>option</code> to <code>value</code>. <a href="#ee5023c29cca9dc68164b22a01cb7c6e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html#75035ac63aad24ddcbb340ddaba57f1c">activateOptions</a> (<a class="el" href="classlog4cxx_1_1helpers_1_1_pool.html">log4cxx::helpers::Pool</a> &<a class="el" href="classlog4cxx_1_1_appender_skeleton.html#6c72571775abf91a74fade4e2c2b9af8">pool</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Prepares <a class="el" href="classlog4cxx_1_1_rolling_file_appender.html">RollingFileAppender</a> for use. <a href="#75035ac63aad24ddcbb340ddaba57f1c"></a><br></td></tr>
</table>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="7ff2336642ee72e003ad17ae21111b2a"></a><!-- doxytag: member="log4cxx::RollingFileAppender::RollingFileAppender" ref="7ff2336642ee72e003ad17ae21111b2a" args="()" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html">RollingFileAppender</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>
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<p>
The default constructor simply calls its <a class="el" href="classlog4cxx_1_1_file_appender.html#3d8fe210d6211cccc14aa2363753cffd">parents constructor</a>.
<p>
</td>
</tr>
</table>
<a class="anchor" name="a2e7128438e707a5cd3f52cc890eb9d0"></a><!-- doxytag: member="log4cxx::RollingFileAppender::RollingFileAppender" ref="a2e7128438e707a5cd3f52cc890eb9d0" args="(const LayoutPtr &layout, const LogString &fileName, bool append)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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<td class="md" nowrap valign="top"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html">RollingFileAppender</a> </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LayoutPtr</a> & </td>
<td class="mdname" nowrap> <em>layout</em>, </td>
</tr>
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<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> & </td>
<td class="mdname" nowrap> <em>fileName</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>append</em></td>
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<td class="md"></td>
<td class="md">) </td>
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<p>
Instantiate a <a class="el" href="classlog4cxx_1_1_rolling_file_appender.html">RollingFileAppender</a> and open the file designated by <code>filename</code>.
<p>
The opened filename will become the ouput destination for this appender.<p>
If the <code>append</code> parameter is true, the file will be appended to. Otherwise, the file desginated by <code>filename</code> will be truncated before being opened. </td>
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<a class="anchor" name="aa4fbd8399299198e158f83e8e7ef9d8"></a><!-- doxytag: member="log4cxx::RollingFileAppender::RollingFileAppender" ref="aa4fbd8399299198e158f83e8e7ef9d8" args="(const LayoutPtr &layout, const LogString &fileName)" --><p>
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<td class="md" nowrap valign="top"><a class="el" href="classlog4cxx_1_1_rolling_file_appender.html">RollingFileAppender</a> </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LayoutPtr</a> & </td>
<td class="mdname" nowrap> <em>layout</em>, </td>
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<td class="md" nowrap align="right"></td>
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<td class="md" nowrap>const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> & </td>
<td class="mdname" nowrap> <em>fileName</em></td>
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<td class="md"></td>
<td class="md">) </td>
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<p>
Instantiate a <a class="el" href="classlog4cxx_1_1_file_appender.html">FileAppender</a> and open the file designated by <code>filename</code>.
<p>
The opened filename will become the output destination for this appender. <p>
The file will be appended to. </td>
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<a class="anchor" name="f91b48ed533d50489683422d1d5dde74"></a><!-- doxytag: member="log4cxx::RollingFileAppender::~RollingFileAppender" ref="f91b48ed533d50489683422d1d5dde74" args="()" --><p>
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<td class="md" nowrap valign="top">virtual ~<a class="el" href="classlog4cxx_1_1_rolling_file_appender.html">RollingFileAppender</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><code> [virtual]</code></td>
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<p>
</td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="75035ac63aad24ddcbb340ddaba57f1c"></a><!-- doxytag: member="log4cxx::RollingFileAppender::activateOptions" ref="75035ac63aad24ddcbb340ddaba57f1c" args="(log4cxx::helpers::Pool &pool)" --><p>
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<td class="md" nowrap valign="top">void activateOptions </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1_pool.html">log4cxx::helpers::Pool</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>pool</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [virtual]</code></td>
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<p>
Prepares <a class="el" href="classlog4cxx_1_1_rolling_file_appender.html">RollingFileAppender</a> for use.
<p>
<p>
Reimplemented from <a class="el" href="classlog4cxx_1_1rolling_1_1_rolling_file_appender_skeleton.html#580abdcb8fd42d07eaf679166f77bc34">RollingFileAppenderSkeleton</a>. </td>
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<a class="anchor" name="85daa9ec83daf40b57563fa715cc9bec"></a><!-- doxytag: member="log4cxx::RollingFileAppender::getMaxBackupIndex" ref="85daa9ec83daf40b57563fa715cc9bec" args="() const " --><p>
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<td class="md" nowrap valign="top">int getMaxBackupIndex </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
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<td class="md" nowrap> const</td>
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<p>
Returns the value of the <b>MaxBackupIndex</b> option.
<p>
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<a class="anchor" name="8803ec00f121186668bacae35f0d378e"></a><!-- doxytag: member="log4cxx::RollingFileAppender::getMaximumFileSize" ref="8803ec00f121186668bacae35f0d378e" args="() const " --><p>
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<td class="md" nowrap valign="top">long getMaximumFileSize </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</td>
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<p>
Get the maximum size that the output file is allowed to reach before being rolled over to backup files.
<p>
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<a class="anchor" name="ae5aa2bc134f65cb35b7e33943232ab6"></a><!-- doxytag: member="log4cxx::RollingFileAppender::setMaxBackupIndex" ref="ae5aa2bc134f65cb35b7e33943232ab6" args="(int maxBackupIndex)" --><p>
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<td class="md" nowrap valign="top">void setMaxBackupIndex </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname1" valign="top" nowrap> <em>maxBackupIndex</em> </td>
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<p>
Set the maximum number of backup files to keep around.
<p>
The <b>MaxBackupIndex</b> option determines how many backup files are kept before the oldest is erased. This option takes a positive integer value. If set to zero, then there will be no backup files and the log file will be truncated when it reaches <code>MaxFileSize</code>. </td>
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<a class="anchor" name="811555c3606286c2f0497927d0a6b118"></a><!-- doxytag: member="log4cxx::RollingFileAppender::setMaxFileSize" ref="811555c3606286c2f0497927d0a6b118" args="(const LogString &value)" --><p>
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<td class="md" nowrap valign="top">void setMaxFileSize </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>value</em> </td>
<td class="md" valign="top"> ) </td>
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<p>
Set the maximum size that the output file is allowed to reach before being rolled over to backup files.
<p>
In configuration files, the <b>MaxFileSize</b> option takes an long integer in the range 0 - 2^63. You can specify the value with the suffixes "KB", "MB" or "GB" so that the integer is interpreted being expressed respectively in kilobytes, megabytes or gigabytes. For example, the value "10KB" will be interpreted as 10240. </td>
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<a class="anchor" name="e01f341f61eae0cdc146c44618e17faf"></a><!-- doxytag: member="log4cxx::RollingFileAppender::setMaximumFileSize" ref="e01f341f61eae0cdc146c44618e17faf" args="(int value)" --><p>
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<td class="md" nowrap valign="top">void setMaximumFileSize </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname1" valign="top" nowrap> <em>value</em> </td>
<td class="md" valign="top"> ) </td>
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</td>
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<a class="anchor" name="ee5023c29cca9dc68164b22a01cb7c6e"></a><!-- doxytag: member="log4cxx::RollingFileAppender::setOption" ref="ee5023c29cca9dc68164b22a01cb7c6e" args="(const LogString &option, const LogString &value)" --><p>
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<td class="md" nowrap valign="top">virtual void setOption </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> & </td>
<td class="mdname" nowrap> <em>option</em>, </td>
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<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>const <a class="el" href="namespacelog4cxx.html#d7ec98d27bca7666e23f27dd1fb181c8">LogString</a> & </td>
<td class="mdname" nowrap> <em>value</em></td>
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<td class="md"></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [virtual]</code></td>
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<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_1_rolling_file_appender.html#75035ac63aad24ddcbb340ddaba57f1c">activateOptions</a> is called.
<p>
Reimplemented from <a class="el" href="classlog4cxx_1_1_file_appender.html#c1d269357907e0809687a2bec962e1c8">FileAppender</a>. </td>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="rollingfileappender_8h.html">rollingfileappender.h</a></ul>
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