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<div id="projectname">Apache log4cxx <span id="projectnumber">Version 0.10.0</span></div>
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<h1>AppenderSkeleton Class Reference</h1> </div>
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<!-- doxytag: class="log4cxx::AppenderSkeleton" --><!-- doxytag: inherits="log4cxx::Appender,log4cxx::helpers::ObjectImpl" -->
<p>Implementation base class for all appenders.
<a href="#_details">More...</a></p>
<p>Inherits <a class="el" href="classlog4cxx_1_1_appender.html">log4cxx::Appender</a>, and <a class="el" href="classlog4cxx_1_1helpers_1_1_object_impl.html">log4cxx::helpers::ObjectImpl</a>.</p>
<p>Inherited by <a class="el" href="classlog4cxx_1_1_async_appender.html">AsyncAppender</a><code> [virtual]</code>, <a class="el" href="classlog4cxx_1_1db_1_1_o_d_b_c_appender.html">ODBCAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_s_m_t_p_appender.html">SMTPAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_socket_appender_skeleton.html">SocketAppenderSkeleton</a>, <a class="el" href="classlog4cxx_1_1net_1_1_socket_hub_appender.html">SocketHubAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_syslog_appender.html">SyslogAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_telnet_appender.html">TelnetAppender</a>, <a class="el" href="classlog4cxx_1_1nt_1_1_n_t_event_log_appender.html">NTEventLogAppender</a>, <a class="el" href="classlog4cxx_1_1nt_1_1_output_debug_string_appender.html">OutputDebugStringAppender</a>, and <a class="el" href="classlog4cxx_1_1_writer_appender.html">WriterAppender</a>.</p>
<p><a href="classlog4cxx_1_1_appender_skeleton-members.html">List of all members.</a></p>
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<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a634ba3ed7cb419659613107766cd826a">AppenderSkeleton</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a600b7815b22ec8cec8a9709cb78a42aa">AppenderSkeleton</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#af1f4e6a2229d95a18324c4e7fa71be65">layout</a>)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a0198815940c2715c84b0e04828cf8dfa">addRef</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a55c31efee1904916b999395fa4d46a24">releaseRef</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a32d626626eee0bc4ade146973f6abb1c">finalize</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Finalize this appender by calling the derived class' <code>close</code> method. <a href="#a32d626626eee0bc4ade146973f6abb1c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#abe1aa95ede9cc9d0609905154129c0ba">activateOptions</a> (<a class="el" href="classlog4cxx_1_1helpers_1_1_pool.html">log4cxx::helpers::Pool</a> &)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Derived appenders should override this method if option structure requires it. <a href="#abe1aa95ede9cc9d0609905154129c0ba"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#aee5023c29cca9dc68164b22a01cb7c6e">setOption</a> (const <a class="el" href="namespacelog4cxx.html#ad7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &option, const <a class="el" href="namespacelog4cxx.html#ad7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set <code>option</code> to <code>value</code>. <a href="#aee5023c29cca9dc68164b22a01cb7c6e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a8a4525ba6d2efe017934bbd867186ec3">addFilter</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::FilterPtr</a> &newFilter)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add a filter to end of the filter list. <a href="#a8a4525ba6d2efe017934bbd867186ec3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#af13013b8fd73be124730ec9f299c234d">clearFilters</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Clear the filters chain. <a href="#af13013b8fd73be124730ec9f299c234d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::ErrorHandlerPtr</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a68195e289d2c9cb19bd5751e59d6d892">getErrorHandler</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the currently set <a class="el" href="classlog4cxx_1_1spi_1_1_error_handler.html" title="Appenders may delegate their error handling to ErrorHandlers.">spi::ErrorHandler</a> for this <a class="el" href="classlog4cxx_1_1_appender.html" title="Implement this interface for your own strategies for outputting log statements.">Appender</a>. <a href="#a68195e289d2c9cb19bd5751e59d6d892"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::FilterPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a459cdb3654725c5dbc68ac4e4a8b980e">getFilter</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the head Filter. <a href="#a459cdb3654725c5dbc68ac4e4a8b980e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::FilterPtr</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a65d9c0a259578f6bb448f722bf9b13b9">getFirstFilter</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the first filter in the filter chain for this <a class="el" href="classlog4cxx_1_1_appender.html" title="Implement this interface for your own strategies for outputting log statements.">Appender</a>. <a href="#a65d9c0a259578f6bb448f722bf9b13b9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LayoutPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#af54e877f133079a04e7c210c0d3ad5dc">getLayout</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the layout of this appender. <a href="#af54e877f133079a04e7c210c0d3ad5dc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacelog4cxx.html#ad7ec98d27bca7666e23f27dd1fb181c8">LogString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#ac22a8d65fdc07f5b0e52c935b0ee055f">getName</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the name of this <a class="el" href="classlog4cxx_1_1_appender.html" title="Implement this interface for your own strategies for outputting log statements.">Appender</a>. <a href="#ac22a8d65fdc07f5b0e52c935b0ee055f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LevelPtr</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a784a1140df55e25c4162f382b9ad47be">getThreshold</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns this appenders threshold level. <a href="#a784a1140df55e25c4162f382b9ad47be"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a40984cbecea40b828eba6271a14c2b4a">isAsSevereAsThreshold</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LevelPtr</a> &level) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Check whether the message level is below the appender's threshold. <a href="#a40984cbecea40b828eba6271a14c2b4a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a2df87e9db87ebe5396ea94fb9c25c488">doAppend</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::LoggingEventPtr</a> &event, <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#a6c72571775abf91a74fade4e2c2b9af8">pool</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This method performs threshold checks and invokes filters before delegating actual logging to the subclasses specific <a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a4c08a91d859f636117f07463bb53fe41" title="Subclasses of AppenderSkeleton should implement this method to perform actual logging.">AppenderSkeleton::append</a> method. <a href="#a2df87e9db87ebe5396ea94fb9c25c488"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#aa040b30f61aa49ee862dba7d32e3c537">setErrorHandler</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::ErrorHandlerPtr</a> &eh)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the <a class="el" href="classlog4cxx_1_1spi_1_1_error_handler.html">ErrorHandler</a> for this <a class="el" href="classlog4cxx_1_1_appender.html" title="Implement this interface for your own strategies for outputting log statements.">Appender</a>. <a href="#aa040b30f61aa49ee862dba7d32e3c537"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a115922e0a4ce63e2145c8861aac07c7f">setLayout</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LayoutPtr</a> &layout1)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the layout for this appender. <a href="#a115922e0a4ce63e2145c8861aac07c7f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a87e335b8d195a30dbdfe18d5da24b047">setName</a> (const <a class="el" href="namespacelog4cxx.html#ad7ec98d27bca7666e23f27dd1fb181c8">LogString</a> &name1)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the name of this <a class="el" href="classlog4cxx_1_1_appender.html" title="Implement this interface for your own strategies for outputting log statements.">Appender</a>. <a href="#a87e335b8d195a30dbdfe18d5da24b047"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a09e9d86bbb2b7b2f94b3f7e74d3557a4">setThreshold</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LevelPtr</a> &<a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a084d52617254f80c575bc96187ff4474">threshold</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the threshold level. <a href="#a09e9d86bbb2b7b2f94b3f7e74d3557a4"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a4c08a91d859f636117f07463bb53fe41">append</a> (const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::LoggingEventPtr</a> &event, <a class="el" href="classlog4cxx_1_1helpers_1_1_pool.html">log4cxx::helpers::Pool</a> &p)=0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Subclasses of <code><a class="el" href="classlog4cxx_1_1_appender_skeleton.html" title="Implementation base class for all appenders.">AppenderSkeleton</a></code> should implement this method to perform actual logging. <a href="#a4c08a91d859f636117f07463bb53fe41"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LayoutPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#af1f4e6a2229d95a18324c4e7fa71be65">layout</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The layout variable does not need to be set if the appender implementation has its own layout. <a href="#af1f4e6a2229d95a18324c4e7fa71be65"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacelog4cxx.html#ad7ec98d27bca7666e23f27dd1fb181c8">LogString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a9de136310b76f5d0aa8b40848216b167">name</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Appenders are named. <a href="#a9de136310b76f5d0aa8b40848216b167"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LevelPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a084d52617254f80c575bc96187ff4474">threshold</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">There is no level threshold filtering by default. <a href="#a084d52617254f80c575bc96187ff4474"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::ErrorHandlerPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#ae6afac50bae7fd8b7c2b7e7984918298">errorHandler</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">It is assumed and enforced that errorHandler is never null. <a href="#ae6afac50bae7fd8b7c2b7e7984918298"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::FilterPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a6d297ecc2f5fbfa373d9ad7a26ad51a7">headFilter</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The first filter in the filter chain. <a href="#a6d297ecc2f5fbfa373d9ad7a26ad51a7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::FilterPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a0b816fdac60684ae1095e81d2bfdaa46">tailFilter</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The last filter in the filter chain. <a href="#a0b816fdac60684ae1095e81d2bfdaa46"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a624c24d3973e790d23212b57f13e894b">closed</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Is this appender closed? <a href="#a624c24d3973e790d23212b57f13e894b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1_pool.html">log4cxx::helpers::Pool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a6c72571775abf91a74fade4e2c2b9af8">pool</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classlog4cxx_1_1helpers_1_1_mutex.html">log4cxx::helpers::Mutex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html#aa48227a58e71081f489370bf534ed7ac">mutex</a></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Implementation base class for all appenders. </p>
<p>This class provides the code for common functionality, such as support for threshold filtering and support for general filters. </p>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
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<td class="memname"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html">AppenderSkeleton</a> </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<a class="anchor" id="a600b7815b22ec8cec8a9709cb78a42aa"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::AppenderSkeleton" ref="a600b7815b22ec8cec8a9709cb78a42aa" args="(const LayoutPtr &layout)" -->
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<td class="memname"><a class="el" href="classlog4cxx_1_1_appender_skeleton.html">AppenderSkeleton</a> </td>
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<td class="paramtype">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LayoutPtr</a> & </td>
<td class="paramname"><em>layout</em></td><td>)</td>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="abe1aa95ede9cc9d0609905154129c0ba"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::activateOptions" ref="abe1aa95ede9cc9d0609905154129c0ba" args="(log4cxx::helpers::Pool &)" -->
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<td class="memname">virtual void activateOptions </td>
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<td class="paramtype"><a class="el" href="classlog4cxx_1_1helpers_1_1_pool.html">log4cxx::helpers::Pool</a> & </td>
<td class="paramname"></td><td>)</td>
<td><code> [inline, virtual]</code></td>
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<p>Derived appenders should override this method if option structure requires it. </p>
<p>Implements <a class="el" href="classlog4cxx_1_1spi_1_1_option_handler.html#af04d4bfbd66b46083b1aa042fdafbb06">OptionHandler</a>.</p>
<p>Reimplemented in <a class="el" href="classlog4cxx_1_1_console_appender.html#aa3df68f8aae152299471992071e202f5">ConsoleAppender</a>, <a class="el" href="classlog4cxx_1_1_daily_rolling_file_appender.html#a580abdcb8fd42d07eaf679166f77bc34">DailyRollingFileAppender</a>, <a class="el" href="classlog4cxx_1_1db_1_1_o_d_b_c_appender.html#af1f3ced78d335ec9c2b800d6d5aa3ef8">ODBCAppender</a>, <a class="el" href="classlog4cxx_1_1_file_appender.html#aa3df68f8aae152299471992071e202f5">FileAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_s_m_t_p_appender.html#af1f3ced78d335ec9c2b800d6d5aa3ef8">SMTPAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_socket_appender_skeleton.html#aa3df68f8aae152299471992071e202f5">SocketAppenderSkeleton</a>, <a class="el" href="classlog4cxx_1_1net_1_1_socket_hub_appender.html#af1f3ced78d335ec9c2b800d6d5aa3ef8">SocketHubAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_syslog_appender.html#aa3df68f8aae152299471992071e202f5">SyslogAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_telnet_appender.html#aa3df68f8aae152299471992071e202f5">TelnetAppender</a>, <a class="el" href="classlog4cxx_1_1nt_1_1_n_t_event_log_appender.html#af1f3ced78d335ec9c2b800d6d5aa3ef8">NTEventLogAppender</a>, <a class="el" href="classlog4cxx_1_1rolling_1_1_rolling_file_appender_skeleton.html#a580abdcb8fd42d07eaf679166f77bc34">RollingFileAppenderSkeleton</a>, <a class="el" href="classlog4cxx_1_1_rolling_file_appender.html#a75035ac63aad24ddcbb340ddaba57f1c">RollingFileAppender</a>, and <a class="el" href="classlog4cxx_1_1_writer_appender.html#a9fe8531491720e83f1d25862d918a37d">WriterAppender</a>.</p>
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<a class="anchor" id="a8a4525ba6d2efe017934bbd867186ec3"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::addFilter" ref="a8a4525ba6d2efe017934bbd867186ec3" args="(const spi::FilterPtr &newFilter)" -->
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<td class="memname">void addFilter </td>
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<td class="paramtype">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::FilterPtr</a> & </td>
<td class="paramname"><em>newFilter</em></td><td>)</td>
<td><code> [virtual]</code></td>
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<p>Add a filter to end of the filter list. </p>
<p>Implements <a class="el" href="classlog4cxx_1_1_appender.html#a06931700a645a1cf08353968672d5dfe">Appender</a>.</p>
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<a class="anchor" id="a0198815940c2715c84b0e04828cf8dfa"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::addRef" ref="a0198815940c2715c84b0e04828cf8dfa" args="() const " -->
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<td class="memname">void addRef </td>
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<td> const<code> [virtual]</code></td>
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<p>Reimplemented from <a class="el" href="classlog4cxx_1_1helpers_1_1_object_impl.html#a0198815940c2715c84b0e04828cf8dfa">ObjectImpl</a>.</p>
<p>Reimplemented in <a class="el" href="classlog4cxx_1_1_async_appender.html#a0198815940c2715c84b0e04828cf8dfa">AsyncAppender</a>.</p>
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<a class="anchor" id="a4c08a91d859f636117f07463bb53fe41"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::append" ref="a4c08a91d859f636117f07463bb53fe41" args="(const spi::LoggingEventPtr &event, log4cxx::helpers::Pool &p)=0" -->
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<td class="memname">virtual void append </td>
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<td class="paramtype">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::LoggingEventPtr</a> & </td>
<td class="paramname"><em>event</em>, </td>
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<td class="paramtype"><a class="el" href="classlog4cxx_1_1helpers_1_1_pool.html">log4cxx::helpers::Pool</a> & </td>
<td class="paramname"><em>p</em> </td>
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<td></td><td><code> [protected, pure virtual]</code></td>
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<p>Subclasses of <code><a class="el" href="classlog4cxx_1_1_appender_skeleton.html" title="Implementation base class for all appenders.">AppenderSkeleton</a></code> should implement this method to perform actual logging. </p>
<p>See also <a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a2df87e9db87ebe5396ea94fb9c25c488" title="This method performs threshold checks and invokes filters before delegating actual logging to the sub...">AppenderSkeleton::doAppend</a> method. </p>
<p>Implemented in <a class="el" href="classlog4cxx_1_1_async_appender.html#a77865c6199c0128510162f6a598f2f41">AsyncAppender</a>, <a class="el" href="classlog4cxx_1_1db_1_1_o_d_b_c_appender.html#a0e1344f34583432e33fb23c587b8bccb">ODBCAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_s_m_t_p_appender.html#ac0184656854a0362e99b46512b6a1761">SMTPAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_socket_appender.html#ab862691b0ebb1d0ff98085b10b021781">SocketAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_socket_hub_appender.html#ac0184656854a0362e99b46512b6a1761">SocketHubAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_syslog_appender.html#a77865c6199c0128510162f6a598f2f41">SyslogAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_telnet_appender.html#ac0184656854a0362e99b46512b6a1761">TelnetAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_x_m_l_socket_appender.html#ab862691b0ebb1d0ff98085b10b021781">XMLSocketAppender</a>, <a class="el" href="classlog4cxx_1_1nt_1_1_n_t_event_log_appender.html#ac0184656854a0362e99b46512b6a1761">NTEventLogAppender</a>, <a class="el" href="classlog4cxx_1_1nt_1_1_output_debug_string_appender.html#ac0184656854a0362e99b46512b6a1761">OutputDebugStringAppender</a>, and <a class="el" href="classlog4cxx_1_1_writer_appender.html#ac0184656854a0362e99b46512b6a1761">WriterAppender</a>.</p>
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<a class="anchor" id="af13013b8fd73be124730ec9f299c234d"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::clearFilters" ref="af13013b8fd73be124730ec9f299c234d" args="()" -->
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<td class="memname">void clearFilters </td>
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<p>Clear the filters chain. </p>
<p>Implements <a class="el" href="classlog4cxx_1_1_appender.html#a5219689d2c359a4bf6ddc48ea1e8dd42">Appender</a>.</p>
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<a class="anchor" id="a2df87e9db87ebe5396ea94fb9c25c488"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::doAppend" ref="a2df87e9db87ebe5396ea94fb9c25c488" args="(const spi::LoggingEventPtr &event, log4cxx::helpers::Pool &pool)" -->
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<td class="memname">void doAppend </td>
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<td class="paramtype">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::LoggingEventPtr</a> & </td>
<td class="paramname"><em>event</em>, </td>
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<td class="paramtype"><a class="el" href="classlog4cxx_1_1helpers_1_1_pool.html">log4cxx::helpers::Pool</a> & </td>
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<td></td><td><code> [virtual]</code></td>
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<p>This method performs threshold checks and invokes filters before delegating actual logging to the subclasses specific <a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a4c08a91d859f636117f07463bb53fe41" title="Subclasses of AppenderSkeleton should implement this method to perform actual logging.">AppenderSkeleton::append</a> method. </p>
<p>Implements <a class="el" href="classlog4cxx_1_1_appender.html#ae78c4f3ccf2a3b33eb83d76e49e79dc6">Appender</a>.</p>
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<a class="anchor" id="a32d626626eee0bc4ade146973f6abb1c"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::finalize" ref="a32d626626eee0bc4ade146973f6abb1c" args="()" -->
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<td class="memname">void finalize </td>
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<p>Finalize this appender by calling the derived class' <code>close</code> method. </p>
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<td class="memname">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::ErrorHandlerPtr</a>& getErrorHandler </td>
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<p>Return the currently set <a class="el" href="classlog4cxx_1_1spi_1_1_error_handler.html" title="Appenders may delegate their error handling to ErrorHandlers.">spi::ErrorHandler</a> for this <a class="el" href="classlog4cxx_1_1_appender.html" title="Implement this interface for your own strategies for outputting log statements.">Appender</a>. </p>
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<a class="anchor" id="a459cdb3654725c5dbc68ac4e4a8b980e"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::getFilter" ref="a459cdb3654725c5dbc68ac4e4a8b980e" args="() const " -->
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<td class="memname"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::FilterPtr</a> getFilter </td>
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<p>Returns the head Filter. </p>
<p>Implements <a class="el" href="classlog4cxx_1_1_appender.html#a31134324f99ee92e17f359e3daa05ca7">Appender</a>.</p>
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<a class="anchor" id="a65d9c0a259578f6bb448f722bf9b13b9"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::getFirstFilter" ref="a65d9c0a259578f6bb448f722bf9b13b9" args="() const " -->
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<td class="memname">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::FilterPtr</a>& getFirstFilter </td>
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<p>Return the first filter in the filter chain for this <a class="el" href="classlog4cxx_1_1_appender.html" title="Implement this interface for your own strategies for outputting log statements.">Appender</a>. </p>
<p>The return value may be <code>0</code> if no is filter is set. </p>
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<td class="memname"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LayoutPtr</a> getLayout </td>
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<p>Returns the layout of this appender. </p>
<p>The value may be 0. </p>
<p>Implements <a class="el" href="classlog4cxx_1_1_appender.html#a1ec13ad0f8e6a13f91dc7a7ce7a4a564">Appender</a>.</p>
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<a class="anchor" id="ac22a8d65fdc07f5b0e52c935b0ee055f"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::getName" ref="ac22a8d65fdc07f5b0e52c935b0ee055f" args="() const " -->
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<td class="memname"><a class="el" href="namespacelog4cxx.html#ad7ec98d27bca7666e23f27dd1fb181c8">LogString</a> getName </td>
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<p>Returns the name of this <a class="el" href="classlog4cxx_1_1_appender.html" title="Implement this interface for your own strategies for outputting log statements.">Appender</a>. </p>
<p>Implements <a class="el" href="classlog4cxx_1_1_appender.html#ae7a22efd00c94d9d06b832fe6953baa3">Appender</a>.</p>
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<a class="anchor" id="a784a1140df55e25c4162f382b9ad47be"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::getThreshold" ref="a784a1140df55e25c4162f382b9ad47be" args="()" -->
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<td class="memname">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LevelPtr</a>& getThreshold </td>
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<p>Returns this appenders threshold level. </p>
<p>See the <a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a09e9d86bbb2b7b2f94b3f7e74d3557a4" title="Set the threshold level.">setThreshold</a> method for the meaning of this option. </p>
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<p>Check whether the message level is below the appender's threshold. </p>
<p>If there is no threshold set, then the return value is always <code>true</code>. </p>
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<a class="anchor" id="a55c31efee1904916b999395fa4d46a24"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::releaseRef" ref="a55c31efee1904916b999395fa4d46a24" args="() const " -->
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<td class="memname">void releaseRef </td>
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<p>Reimplemented from <a class="el" href="classlog4cxx_1_1helpers_1_1_object_impl.html#a55c31efee1904916b999395fa4d46a24">ObjectImpl</a>.</p>
<p>Reimplemented in <a class="el" href="classlog4cxx_1_1_async_appender.html#a55c31efee1904916b999395fa4d46a24">AsyncAppender</a>.</p>
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<td class="memname">void setErrorHandler </td>
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<p>Set the <a class="el" href="classlog4cxx_1_1spi_1_1_error_handler.html">ErrorHandler</a> for this <a class="el" href="classlog4cxx_1_1_appender.html" title="Implement this interface for your own strategies for outputting log statements.">Appender</a>. </p>
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<td class="paramname"><em>layout1</em></td><td>)</td>
<td><code> [inline, virtual]</code></td>
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<p>Set the layout for this appender. </p>
<p>Note that some appenders have their own (fixed) layouts or do not use one. For example, the <a class="el" href="classlog4cxx_1_1net_1_1_socket_appender.html">SocketAppender</a> ignores the layout set here. </p>
<p>Implements <a class="el" href="classlog4cxx_1_1_appender.html#a88cfba44fa745f658fab9b8c6a8d959f">Appender</a>.</p>
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<a class="anchor" id="a87e335b8d195a30dbdfe18d5da24b047"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::setName" ref="a87e335b8d195a30dbdfe18d5da24b047" args="(const LogString &name1)" -->
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<td class="memname">void setName </td>
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<td class="paramtype">const <a class="el" href="namespacelog4cxx.html#ad7ec98d27bca7666e23f27dd1fb181c8">LogString</a> & </td>
<td class="paramname"><em>name1</em></td><td>)</td>
<td><code> [inline, virtual]</code></td>
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<p>Set the name of this <a class="el" href="classlog4cxx_1_1_appender.html" title="Implement this interface for your own strategies for outputting log statements.">Appender</a>. </p>
<p>Implements <a class="el" href="classlog4cxx_1_1_appender.html#a46473dcf1999f98a4c97168a3d2c7c84">Appender</a>.</p>
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<td class="memname">virtual void setOption </td>
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<td class="paramtype">const <a class="el" href="namespacelog4cxx.html#ad7ec98d27bca7666e23f27dd1fb181c8">LogString</a> & </td>
<td class="paramname"><em>option</em>, </td>
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<td class="paramtype">const <a class="el" href="namespacelog4cxx.html#ad7ec98d27bca7666e23f27dd1fb181c8">LogString</a> & </td>
<td class="paramname"><em>value</em> </td>
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<td></td><td><code> [virtual]</code></td>
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<p>Set <code>option</code> to <code>value</code>. </p>
<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_appender_skeleton.html#abe1aa95ede9cc9d0609905154129c0ba" title="Derived appenders should override this method if option structure requires it.">activateOptions</a> is called. </p>
<p>Implements <a class="el" href="classlog4cxx_1_1spi_1_1_option_handler.html#a8f2ae2ded63f80c627269c99b20c19ee">OptionHandler</a>.</p>
<p>Reimplemented in <a class="el" href="classlog4cxx_1_1_async_appender.html#ac1d269357907e0809687a2bec962e1c8">AsyncAppender</a>, <a class="el" href="classlog4cxx_1_1_console_appender.html#ac1d269357907e0809687a2bec962e1c8">ConsoleAppender</a>, <a class="el" href="classlog4cxx_1_1_daily_rolling_file_appender.html#ac1d269357907e0809687a2bec962e1c8">DailyRollingFileAppender</a>, <a class="el" href="classlog4cxx_1_1db_1_1_o_d_b_c_appender.html#aee5023c29cca9dc68164b22a01cb7c6e">ODBCAppender</a>, <a class="el" href="classlog4cxx_1_1_file_appender.html#ac1d269357907e0809687a2bec962e1c8">FileAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_s_m_t_p_appender.html#aee5023c29cca9dc68164b22a01cb7c6e">SMTPAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_socket_appender_skeleton.html#ac1d269357907e0809687a2bec962e1c8">SocketAppenderSkeleton</a>, <a class="el" href="classlog4cxx_1_1net_1_1_socket_hub_appender.html#aee5023c29cca9dc68164b22a01cb7c6e">SocketHubAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_syslog_appender.html#ac1d269357907e0809687a2bec962e1c8">SyslogAppender</a>, <a class="el" href="classlog4cxx_1_1net_1_1_telnet_appender.html#aee5023c29cca9dc68164b22a01cb7c6e">TelnetAppender</a>, <a class="el" href="classlog4cxx_1_1nt_1_1_n_t_event_log_appender.html#aee5023c29cca9dc68164b22a01cb7c6e">NTEventLogAppender</a>, <a class="el" href="classlog4cxx_1_1_rolling_file_appender.html#aee5023c29cca9dc68164b22a01cb7c6e">RollingFileAppender</a>, and <a class="el" href="classlog4cxx_1_1_writer_appender.html#ac1d269357907e0809687a2bec962e1c8">WriterAppender</a>.</p>
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<td class="memname">void setThreshold </td>
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<td class="paramtype">const <a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LevelPtr</a> & </td>
<td class="paramname"><em>threshold</em></td><td>)</td>
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<p>Set the threshold level. </p>
<p>All log events with lower level than the threshold level are ignored by the appender.</p>
<p>In configuration files this option is specified by setting the value of the <b>Threshold</b> option to a level string, such as "DEBUG", "INFO" and so on. </p>
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<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="a624c24d3973e790d23212b57f13e894b"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::closed" ref="a624c24d3973e790d23212b57f13e894b" args="" -->
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<td class="memname">bool <a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a624c24d3973e790d23212b57f13e894b">closed</a><code> [protected]</code></td>
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<p>Is this appender closed? </p>
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<a class="anchor" id="ae6afac50bae7fd8b7c2b7e7984918298"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::errorHandler" ref="ae6afac50bae7fd8b7c2b7e7984918298" args="" -->
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<td class="memname"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::ErrorHandlerPtr</a> <a class="el" href="classlog4cxx_1_1_appender_skeleton.html#ae6afac50bae7fd8b7c2b7e7984918298">errorHandler</a><code> [protected]</code></td>
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<p>It is assumed and enforced that errorHandler is never null. </p>
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<a class="anchor" id="a6d297ecc2f5fbfa373d9ad7a26ad51a7"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::headFilter" ref="a6d297ecc2f5fbfa373d9ad7a26ad51a7" args="" -->
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<td class="memname"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::FilterPtr</a> <a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a6d297ecc2f5fbfa373d9ad7a26ad51a7">headFilter</a><code> [protected]</code></td>
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<p>The first filter in the filter chain. </p>
<p>Set to <code>null</code> initially. </p>
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<a class="anchor" id="af1f4e6a2229d95a18324c4e7fa71be65"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::layout" ref="af1f4e6a2229d95a18324c4e7fa71be65" args="" -->
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<td class="memname"><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#af1f4e6a2229d95a18324c4e7fa71be65">layout</a><code> [protected]</code></td>
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<p>The layout variable does not need to be set if the appender implementation has its own layout. </p>
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<a class="anchor" id="aa48227a58e71081f489370bf534ed7ac"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::mutex" ref="aa48227a58e71081f489370bf534ed7ac" args="" -->
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<td class="memname"><a class="el" href="classlog4cxx_1_1helpers_1_1_mutex.html">log4cxx::helpers::Mutex</a> <a class="el" href="classlog4cxx_1_1_appender_skeleton.html#aa48227a58e71081f489370bf534ed7ac">mutex</a><code> [protected]</code></td>
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<a class="anchor" id="a9de136310b76f5d0aa8b40848216b167"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::name" ref="a9de136310b76f5d0aa8b40848216b167" args="" -->
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<td class="memname"><a class="el" href="namespacelog4cxx.html#ad7ec98d27bca7666e23f27dd1fb181c8">LogString</a> <a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a9de136310b76f5d0aa8b40848216b167">name</a><code> [protected]</code></td>
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<p>Appenders are named. </p>
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<a class="anchor" id="a6c72571775abf91a74fade4e2c2b9af8"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::pool" ref="a6c72571775abf91a74fade4e2c2b9af8" args="" -->
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<td class="memname"><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#a6c72571775abf91a74fade4e2c2b9af8">pool</a><code> [protected]</code></td>
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<a class="anchor" id="a0b816fdac60684ae1095e81d2bfdaa46"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::tailFilter" ref="a0b816fdac60684ae1095e81d2bfdaa46" args="" -->
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<td class="memname"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">spi::FilterPtr</a> <a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a0b816fdac60684ae1095e81d2bfdaa46">tailFilter</a><code> [protected]</code></td>
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<p>The last filter in the filter chain. </p>
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<a class="anchor" id="a084d52617254f80c575bc96187ff4474"></a><!-- doxytag: member="log4cxx::AppenderSkeleton::threshold" ref="a084d52617254f80c575bc96187ff4474" args="" -->
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<td class="memname"><a class="el" href="classlog4cxx_1_1helpers_1_1_object_ptr_t.html">LevelPtr</a> <a class="el" href="classlog4cxx_1_1_appender_skeleton.html#a084d52617254f80c575bc96187ff4474">threshold</a><code> [protected]</code></td>
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<p>There is no level threshold filtering by default. </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="appenderskeleton_8h.html">appenderskeleton.h</a></li>
</ul>
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