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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>log4cpp: log4cpp::StringQueueAppender Class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.2 --><div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="dirs.html">Directories</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="globals.html">File Members</a> | <a class="qindex" href="pages.html">Related Pages</a></div><div class="nav"><a class="el" href="namespacelog4cpp.html">log4cpp</a>::<a class="el" href="classlog4cpp_1_1StringQueueAppender.html">StringQueueAppender</a></div><h1>log4cpp::StringQueueAppender Class Reference</h1>This class puts log messages in an in-memory queue. <a href="#_details">More...</a><p><code>#include <<a class="el" href="StringQueueAppender_8hh-source.html">StringQueueAppender.hh</a>></code><p>Inheritance diagram for log4cpp::StringQueueAppender:<p><center><img src="classlog4cpp_1_1StringQueueAppender__inherit__graph.png" border="0" usemap="#log4cpp_1_1StringQueueAppender__inherit__map" alt="Inheritance graph"></center><map name="log4cpp_1_1StringQueueAppender__inherit__map"><area href="classlog4cpp_1_1LayoutAppender.html" shape="rect" coords="25,158,198,182" alt=""><area href="classlog4cpp_1_1AppenderSkeleton.html" shape="rect" coords="20,84,204,108" alt=""><area href="classlog4cpp_1_1Appender.html" shape="rect" coords="45,9,178,33" alt=""></map><center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for log4cpp::StringQueueAppender:<p><center><img src="classlog4cpp_1_1StringQueueAppender__coll__graph.png" border="0" usemap="#log4cpp_1_1StringQueueAppender__coll__map" alt="Collaboration graph"></center><map name="log4cpp_1_1StringQueueAppender__coll__map"><area href="classlog4cpp_1_1LayoutAppender.html" shape="rect" coords="148,190,321,214" alt=""><area href="classlog4cpp_1_1AppenderSkeleton.html" shape="rect" coords="13,99,197,123" alt=""><area href="classlog4cpp_1_1Appender.html" shape="rect" coords="8,9,141,33" alt=""><area href="classlog4cpp_1_1Filter.html" shape="rect" coords="165,9,269,33" alt=""><area href="classlog4cpp_1_1Layout.html" shape="rect" coords="221,99,336,123" alt=""></map><center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="classlog4cpp_1_1StringQueueAppender-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="classlog4cpp_1_1StringQueueAppender.html#a0">StringQueueAppender</a> (const std::string &name)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cpp_1_1StringQueueAppender.html#a1">~StringQueueAppender</a> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cpp_1_1StringQueueAppender.html#a2">reopen</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Reopens the output destination of this <a class="el" href="classlog4cpp_1_1Appender.html">Appender</a>, e.g. <a href="#a2"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cpp_1_1StringQueueAppender.html#a3">close</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Release any resources allocated within the appender such as file handles, network connections, etc. <a href="#a3"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cpp_1_1StringQueueAppender.html#a4">queueSize</a> () const </td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Return the current size of the message queue. <a href="#a4"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual std::queue< std::string > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cpp_1_1StringQueueAppender.html#a5">getQueue</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Return the queue to which the Appends adds messages. <a href="#a5"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual const std::queue<<br> std::string > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cpp_1_1StringQueueAppender.html#a6">getQueue</a> () const </td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Return the queue to which the Appends adds messages. <a href="#a6"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cpp_1_1StringQueueAppender.html#a7">popMessage</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Pop the oldest log message from the front of the queue. <a href="#a7"></a><br></td></tr><tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cpp_1_1StringQueueAppender.html#b0">_append</a> (const <a class="el" href="structlog4cpp_1_1LoggingEvent.html">LoggingEvent</a> &event)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Appends the <a class="el" href="structlog4cpp_1_1LoggingEvent.html">LoggingEvent</a> to the queue. <a href="#b0"></a><br></td></tr><tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">std::queue< std::string > </td><td class="memItemRight" valign="bottom"><a class="el" href="classlog4cpp_1_1StringQueueAppender.html#p0">_queue</a></td></tr></table><hr><a name="_details"></a><h2>Detailed Description</h2>This class puts log messages in an in-memory queue. <p>Its primary use is in test cases, but it may be useful elsewhere as well.<p><dl compact><dt><b>Since:</b></dt><dd>0.2.4 </dd></dl><p><hr><h2>Constructor & Destructor Documentation</h2><a class="anchor" name="a0" doxytag="log4cpp::StringQueueAppender::StringQueueAppender"></a><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">log4cpp::StringQueueAppender::StringQueueAppender </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">const std::string & </td> <td class="mdname1" valign="top" nowrap> <em>name</em> </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> </td> </tr></table><a class="anchor" name="a1" doxytag="log4cpp::StringQueueAppender::~StringQueueAppender"></a><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">log4cpp::StringQueueAppender::~StringQueueAppender </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> </td> </tr></table><hr><h2>Member Function Documentation</h2><a class="anchor" name="b0" doxytag="log4cpp::StringQueueAppender::_append"></a><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">void log4cpp::StringQueueAppender::_append </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">const <a class="el" href="structlog4cpp_1_1LoggingEvent.html">LoggingEvent</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"> <tr> <td> </td> <td><p>Appends the <a class="el" href="structlog4cpp_1_1LoggingEvent.html">LoggingEvent</a> to the queue. <p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>event</em> </td><td>the <a class="el" href="structlog4cpp_1_1LoggingEvent.html">LoggingEvent</a> to layout and append to the queue. </td></tr> </table></dl><p>Implements <a class="el" href="classlog4cpp_1_1AppenderSkeleton.html#b1">log4cpp::AppenderSkeleton</a>. </td> </tr></table><a class="anchor" name="a3" doxytag="log4cpp::StringQueueAppender::close"></a><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">void log4cpp::StringQueueAppender::close </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>Release any resources allocated within the appender such as file handles, network connections, etc. <p>⌨️ 快捷键说明
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