1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Class template basic_severity_logger</title> 5<link rel="stylesheet" href="../../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../index.html" title="Chapter 1. Boost.Log v2"> 8<link rel="up" href="../../../logging_sources.html#header.boost.log.sources.severity_feature_hpp" title="Header <boost/log/sources/severity_feature.hpp>"> 9<link rel="prev" href="../../../BOOST_LOG_CHANNEL_SEV.html" title="Macro BOOST_LOG_CHANNEL_SEV"> 10<link rel="next" href="severity.html" title="Struct template severity"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr><td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../boost.png"></td></tr></table> 14<hr> 15<div class="spirit-nav"> 16<a accesskey="p" href="../../../BOOST_LOG_CHANNEL_SEV.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../../logging_sources.html#header.boost.log.sources.severity_feature_hpp"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="severity.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 17</div> 18<div class="refentry"> 19<a name="boost.log.sources.basic_severity_logger"></a><div class="titlepage"></div> 20<div class="refnamediv"> 21<h2><span class="refentrytitle">Class template basic_severity_logger</span></h2> 22<p>boost::log::sources::basic_severity_logger — Severity level feature implementation. </p> 23</div> 24<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 25<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../../logging_sources.html#header.boost.log.sources.severity_feature_hpp" title="Header <boost/log/sources/severity_feature.hpp>">boost/log/sources/severity_feature.hpp</a>> 26 27</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> BaseT<span class="special">,</span> <span class="keyword">typename</span> LevelT <span class="special">=</span> <span class="keyword">int</span><span class="special">></span> 28<span class="keyword">class</span> <a class="link" href="basic_severity_logger.html" title="Class template basic_severity_logger">basic_severity_logger</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">BaseT</span> <span class="special">{</span> 29<span class="keyword">public</span><span class="special">:</span> 30 <span class="comment">// types</span> 31 <span class="keyword">typedef</span> <span class="identifier">base_type</span><span class="special">::</span><span class="identifier">char_type</span> <a name="boost.log.sources.basic_severity_logger.char_type"></a><span class="identifier">char_type</span><span class="special">;</span> <span class="comment">// Character type. </span> 32 <span class="keyword">typedef</span> <span class="identifier">base_type</span><span class="special">::</span><span class="identifier">final_type</span> <a name="boost.log.sources.basic_severity_logger.final_type"></a><span class="identifier">final_type</span><span class="special">;</span> <span class="comment">// Final type. </span> 33 <span class="keyword">typedef</span> <span class="identifier">base_type</span><span class="special">::</span><span class="identifier">threading_model</span> <a name="boost.log.sources.basic_severity_logger.threading_model"></a><span class="identifier">threading_model</span><span class="special">;</span> <span class="comment">// Threading model being used. </span> 34 <span class="keyword">typedef</span> <span class="identifier">LevelT</span> <a name="boost.log.sources.basic_severity_logger.severity_level"></a><span class="identifier">severity_level</span><span class="special">;</span> <span class="comment">// Severity level type. </span> 35 <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a name="boost.log.sources.basic_severity_logger.severity_attribute"></a><span class="identifier">severity_attribute</span><span class="special">;</span> <span class="comment">// Severity attribute type. </span> 36 <span class="keyword">typedef</span> <span class="identifier">strictest_lock</span><span class="special"><</span> <span class="keyword">typename</span> <span class="identifier">base_type</span><span class="special">::</span><span class="identifier">open_record_lock</span><span class="special">,</span> <span class="identifier">no_lock</span><span class="special"><</span> <span class="identifier">threading_model</span> <span class="special">></span> <span class="special">></span><span class="special">::</span><span class="identifier">type</span> <a name="boost.log.sources.basic_severity_logger.open_record_lock"></a><span class="identifier">open_record_lock</span><span class="special">;</span> <span class="comment">// Lock requirement for the <code class="computeroutput">open_record_unlocked</code> method. </span> 37 <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a name="boost.log.sources.basic_severity_logger.swap_lock"></a><span class="identifier">swap_lock</span><span class="special">;</span> <span class="comment">// Lock requirement for the <code class="computeroutput">swap_unlocked</code> method. </span> 38 39 <span class="comment">// <a class="link" href="basic_severity_logger.html#boost.log.sources.basic_severity_loggerconstruct-copy-destruct">construct/copy/destruct</a></span> 40 <a class="link" href="basic_severity_logger.html#idm46079577471200-bb"><span class="identifier">basic_severity_logger</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> 41 <a class="link" href="basic_severity_logger.html#idm46079577470384-bb"><span class="identifier">basic_severity_logger</span></a><span class="special">(</span><a class="link" href="basic_severity_logger.html" title="Class template basic_severity_logger">basic_severity_logger</a> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 42 <a class="link" href="basic_severity_logger.html#idm46079577468704-bb"><span class="identifier">basic_severity_logger</span></a><span class="special">(</span><a class="link" href="basic_severity_logger.html" title="Class template basic_severity_logger">basic_severity_logger</a> <span class="special">&&</span><span class="special">)</span> <span class="keyword">noexcept</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_nothrow_move_constructible</span><span class="special"><</span> <span class="identifier">base_type</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span> <span class="special">&&</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_nothrow_move_constructible</span><span class="special"><</span> <span class="identifier">severity_level</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span> <span class="special">&&</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_nothrow_move_constructible</span><span class="special"><</span> <span class="identifier">severity_attribute</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span><span class="special">)</span><span class="special">)</span><span class="special">;</span> 43 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ArgsT<span class="special">></span> <span class="keyword">explicit</span> <a class="link" href="basic_severity_logger.html#idm46079577466576-bb"><span class="identifier">basic_severity_logger</span></a><span class="special">(</span><span class="identifier">ArgsT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 44 45 <span class="comment">// <a class="link" href="basic_severity_logger.html#idm46079577473472-bb">public member functions</a></span> 46 <span class="identifier">severity_level</span> <a class="link" href="basic_severity_logger.html#idm46079577472912-bb"><span class="identifier">default_severity</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 47 48 <span class="comment">// <a class="link" href="basic_severity_logger.html#idm46079577461760-bb">protected member functions</a></span> 49 <span class="identifier">severity_attribute</span> <span class="keyword">const</span> <span class="special">&</span> <a class="link" href="basic_severity_logger.html#idm46079577461184-bb"><span class="identifier">get_severity_attribute</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> 50 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ArgsT<span class="special">></span> <span class="identifier">record</span> <a class="link" href="basic_severity_logger.html#idm46079577459616-bb"><span class="identifier">open_record_unlocked</span></a><span class="special">(</span><span class="identifier">ArgsT</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 51 <span class="keyword">void</span> <a class="link" href="basic_severity_logger.html#idm46079577456368-bb"><span class="identifier">swap_unlocked</span></a><span class="special">(</span><a class="link" href="basic_severity_logger.html" title="Class template basic_severity_logger">basic_severity_logger</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span> 52<span class="special">}</span><span class="special">;</span></pre></div> 53<div class="refsect1"> 54<a name="idm44984867548464"></a><h2>Description</h2> 55<div class="refsect2"> 56<a name="idm44984867548048"></a><h3> 57<a name="boost.log.sources.basic_severity_loggerconstruct-copy-destruct"></a><code class="computeroutput">basic_severity_logger</code> 58 public 59 construct/copy/destruct</h3> 60<div class="orderedlist"><ol class="orderedlist" type="1"> 61<li class="listitem"> 62<pre class="literallayout"><a name="idm46079577471200-bb"></a><span class="identifier">basic_severity_logger</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> 63<p>Default constructor. The constructed logger will have a severity attribute registered. The default level for log records will be 0. </p> 64</li> 65<li class="listitem"> 66<pre class="literallayout"><a name="idm46079577470384-bb"></a><span class="identifier">basic_severity_logger</span><span class="special">(</span><a class="link" href="basic_severity_logger.html" title="Class template basic_severity_logger">basic_severity_logger</a> <span class="keyword">const</span> <span class="special">&</span> that<span class="special">)</span><span class="special">;</span></pre> 67<p>Copy constructor </p> 68</li> 69<li class="listitem"> 70<pre class="literallayout"><a name="idm46079577468704-bb"></a><span class="identifier">basic_severity_logger</span><span class="special">(</span><a class="link" href="basic_severity_logger.html" title="Class template basic_severity_logger">basic_severity_logger</a> <span class="special">&&</span> that<span class="special">)</span> <span class="keyword">noexcept</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_nothrow_move_constructible</span><span class="special"><</span> <span class="identifier">base_type</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span> <span class="special">&&</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_nothrow_move_constructible</span><span class="special"><</span> <span class="identifier">severity_level</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span> <span class="special">&&</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">is_nothrow_move_constructible</span><span class="special"><</span> <span class="identifier">severity_attribute</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre> 71<p>Move constructor </p> 72</li> 73<li class="listitem"> 74<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ArgsT<span class="special">></span> <span class="keyword">explicit</span> <a name="idm46079577466576-bb"></a><span class="identifier">basic_severity_logger</span><span class="special">(</span><span class="identifier">ArgsT</span> <span class="keyword">const</span> <span class="special">&</span> args<span class="special">)</span><span class="special">;</span></pre> 75<p>Constructor with named arguments. Allows to setup the default level for log records.</p> 76<p> 77</p> 78<div class="variablelist"><table border="0" class="variablelist compact"> 79<colgroup> 80<col align="left" valign="top"> 81<col> 82</colgroup> 83<tbody><tr> 84<td><p><span class="term">Parameters:</span></p></td> 85<td><div class="variablelist"><table border="0" class="variablelist compact"> 86<colgroup> 87<col align="left" valign="top"> 88<col> 89</colgroup> 90<tbody><tr> 91<td><p><span class="term"><code class="computeroutput">args</code></span></p></td> 92<td> 93<p>A set of named arguments. The following arguments are supported: </p> 94<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"><p><code class="computeroutput">severity</code> - default severity value </p></li></ul></div> 95<p> 96</p> 97</td> 98</tr></tbody> 99</table></div></td> 100</tr></tbody> 101</table></div> 102</li> 103</ol></div> 104</div> 105<div class="refsect2"> 106<a name="idm44984867498208"></a><h3> 107<a name="idm46079577473472-bb"></a><code class="computeroutput">basic_severity_logger</code> public member functions</h3> 108<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> 109<pre class="literallayout"><span class="identifier">severity_level</span> <a name="idm46079577472912-bb"></a><span class="identifier">default_severity</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 110<p>Default severity value getter </p> 111</li></ol></div> 112</div> 113<div class="refsect2"> 114<a name="idm44984867490736"></a><h3> 115<a name="idm46079577461760-bb"></a><code class="computeroutput">basic_severity_logger</code> protected member functions</h3> 116<div class="orderedlist"><ol class="orderedlist" type="1"> 117<li class="listitem"> 118<pre class="literallayout"><span class="identifier">severity_attribute</span> <span class="keyword">const</span> <span class="special">&</span> <a name="idm46079577461184-bb"></a><span class="identifier">get_severity_attribute</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> 119<p>Severity attribute accessor </p> 120</li> 121<li class="listitem"> 122<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> ArgsT<span class="special">></span> <span class="identifier">record</span> <a name="idm46079577459616-bb"></a><span class="identifier">open_record_unlocked</span><span class="special">(</span><span class="identifier">ArgsT</span> <span class="keyword">const</span> <span class="special">&</span> args<span class="special">)</span><span class="special">;</span></pre> 123<p>Unlocked <code class="computeroutput">open_record</code> </p> 124</li> 125<li class="listitem"> 126<pre class="literallayout"><span class="keyword">void</span> <a name="idm46079577456368-bb"></a><span class="identifier">swap_unlocked</span><span class="special">(</span><a class="link" href="basic_severity_logger.html" title="Class template basic_severity_logger">basic_severity_logger</a> <span class="special">&</span> that<span class="special">)</span><span class="special">;</span></pre>Unlocked <code class="computeroutput">swap</code>. </li> 127</ol></div> 128</div> 129</div> 130</div> 131<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 132<td align="left"></td> 133<td align="right"><div class="copyright-footer">Copyright © 2007-2019 Andrey Semashev<p> 134 Distributed under the Boost Software License, Version 1.0. (See accompanying 135 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>). 136 </p> 137</div></td> 138</tr></table> 139<hr> 140<div class="spirit-nav"> 141<a accesskey="p" href="../../../BOOST_LOG_CHANNEL_SEV.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../../logging_sources.html#header.boost.log.sources.severity_feature_hpp"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="severity.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 142</div> 143</body> 144</html> 145
