classlog4cpp_1_1category.html

log4cpp 的参考文档, 一个非常好用的C++ log 类库

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Adds an <a class="el" href="classlog4cpp_1_1Appender.html">Appender</a> for this <a class="el" href="classlog4cpp_1_1Category.html">Category</a>. 
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This method does not pass ownership from the caller to the <a class="el" href="classlog4cpp_1_1Category.html">Category</a>. <dl compact><dt><b>Since:</b></dt><dd>0.2.7 </dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>appender</em>&nbsp;</td><td>The <a class="el" href="classlog4cpp_1_1Appender.html">Appender</a> this category has to log to. </td></tr>
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Reimplemented in <a class="el" href="classlog4cpp_1_1FixedContextCategory.html#a7">log4cpp::FixedContextCategory</a>.    </td>
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<a class="anchor" name="a6" doxytag="log4cpp::Category::addAppender"></a><p>
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          <td class="md" nowrap valign="top">void log4cpp::Category::addAppender           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classlog4cpp_1_1Appender.html">Appender</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>appender</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap>  throw (std::invalid_argument)<code> [virtual]</code></td>
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Adds an <a class="el" href="classlog4cpp_1_1Appender.html">Appender</a> to this <a class="el" href="classlog4cpp_1_1Category.html">Category</a>. 
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This method passes ownership from the caller to the <a class="el" href="classlog4cpp_1_1Category.html">Category</a>. <dl compact><dt><b>Since:</b></dt><dd>0.2.7 </dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>appender</em>&nbsp;</td><td>The <a class="el" href="classlog4cpp_1_1Appender.html">Appender</a> to wich this category has to log. </td></tr>
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<dl compact><dt><b>Exceptions:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>std::invalid_argument</em>&nbsp;</td><td>if the appender is NULL. </td></tr>
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Reimplemented in <a class="el" href="classlog4cpp_1_1FixedContextCategory.html#a6">log4cpp::FixedContextCategory</a>.    </td>
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<a class="anchor" name="a50" doxytag="log4cpp::Category::alert"></a><p>
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          <td class="md" nowrap valign="top">void log4cpp::Category::alert           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const std::string &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>message</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap>  throw ()</td>
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<p>
Log a message with alert priority. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>message</em>&nbsp;</td><td>string to write in the log file </td></tr>
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<a class="anchor" name="a49" doxytag="log4cpp::Category::alert"></a><p>
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          <td class="md" nowrap valign="top">void log4cpp::Category::alert           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const char *&nbsp;</td>
          <td class="mdname" nowrap> <em>stringFormat</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>&nbsp;</td>
          <td class="mdname" nowrap> <em>...</em></td>
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          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2">  throw ()</td>
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<p>
Log a message with alert priority. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>stringFormat</em>&nbsp;</td><td>Format specifier for the string to write in the log file. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>...</em>&nbsp;</td><td>The arguments for stringFormat </td></tr>
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<a class="anchor" name="a52" doxytag="log4cpp::Category::alertStream"></a><p>
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          <td class="md" nowrap valign="top"><a class="el" href="classlog4cpp_1_1CategoryStream.html">CategoryStream</a> log4cpp::Category::alertStream           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap>  throw ()<code> [inline]</code></td>
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<p>
Return a <a class="el" href="classlog4cpp_1_1CategoryStream.html">CategoryStream</a> with priority ALERT. 
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<dl compact><dt><b>Returns:</b></dt><dd>The <a class="el" href="classlog4cpp_1_1CategoryStream.html">CategoryStream</a>. </dd></dl>
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<a class="anchor" name="a17" doxytag="log4cpp::Category::callAppenders"></a><p>
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          <td class="md" nowrap valign="top">void log4cpp::Category::callAppenders           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="structlog4cpp_1_1LoggingEvent.html">LoggingEvent</a> &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>event</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap>  throw ()<code> [virtual]</code></td>
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<p>
Call the appenders in the hierarchy starting at <code>this</code>. 
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If no appenders could be found, emit a warning.<p>
This method always calls all the appenders inherited form the hierracy circumventing any evaluation of whether to log or not to log the particular log request.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign="top"></td><td valign="top"><em>event</em>&nbsp;</td><td>the LogginEvent to log. </td></tr>
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Reimplemented in <a class="el" href="classlog4cpp_1_1FixedContextCategory.html#a14">log4cpp::FixedContextCategory</a>.    </td>
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