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<title>Struct template filter_factory</title>
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<a name="boost.log.filter_factory"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Struct template filter_factory</span></h2>
<p>boost::log::filter_factory</p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../utilities.html#header.boost.log.utility.setup.filter_parser_hpp" title="Header &lt;boost/log/utility/setup/filter_parser.hpp&gt;">boost/log/utility/setup/filter_parser.hpp</a>&gt;
</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span>
<span class="keyword">struct</span> <a class="link" href="filter_factory.html" title="Struct template filter_factory">filter_factory</a> <span class="special">{</span>
<span class="comment">// types</span>
<span class="keyword">typedef</span> <span class="identifier">CharT</span> <a name="boost.log.filter_factory.char_type"></a><span class="identifier">char_type</span><span class="special">;</span> <span class="comment">// Character type. </span>
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">char_type</span> <span class="special">&gt;</span> <a name="boost.log.filter_factory.string_type"></a><span class="identifier">string_type</span><span class="special">;</span> <span class="comment">// String type. </span>
<span class="comment">// <a class="link" href="filter_factory.html#boost.log.filter_factoryconstruct-copy-destruct">construct/copy/destruct</a></span>
<a class="link" href="filter_factory.html#idp46606848-bb"><span class="identifier">filter_factory</span></a><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>
<a class="link" href="filter_factory.html#idp46608528-bb"><span class="identifier">filter_factory</span></a><span class="special">(</span><a class="link" href="filter_factory.html" title="Struct template filter_factory">filter_factory</a> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span>
<a class="link" href="filter_factory.html" title="Struct template filter_factory">filter_factory</a> <span class="special">&amp;</span> <a class="link" href="filter_factory.html#idp46610064-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><a class="link" href="filter_factory.html" title="Struct template filter_factory">filter_factory</a> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span>
<a class="link" href="filter_factory.html#idp46607824-bb"><span class="special">~</span><span class="identifier">filter_factory</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="comment">// <a class="link" href="filter_factory.html#idp46582544-bb">public member functions</a></span>
<span class="keyword">virtual</span> <span class="identifier">filter</span> <a class="link" href="filter_factory.html#idp46583104-bb"><span class="identifier">on_exists_test</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">virtual</span> <span class="identifier">filter</span>
<a class="link" href="filter_factory.html#idp46585376-bb"><span class="identifier">on_equality_relation</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">virtual</span> <span class="identifier">filter</span>
<a class="link" href="filter_factory.html#idp46588320-bb"><span class="identifier">on_inequality_relation</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">virtual</span> <span class="identifier">filter</span> <a class="link" href="filter_factory.html#idp46591264-bb"><span class="identifier">on_less_relation</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">virtual</span> <span class="identifier">filter</span>
<a class="link" href="filter_factory.html#idp46594192-bb"><span class="identifier">on_greater_relation</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">virtual</span> <span class="identifier">filter</span>
<a class="link" href="filter_factory.html#idp46597136-bb"><span class="identifier">on_less_or_equal_relation</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">virtual</span> <span class="identifier">filter</span>
<a class="link" href="filter_factory.html#idp46600096-bb"><span class="identifier">on_greater_or_equal_relation</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">virtual</span> <span class="identifier">filter</span>
<a class="link" href="filter_factory.html#idp46603056-bb"><span class="identifier">on_custom_relation</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
<span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idp133803088"></a><h2>Description</h2>
<p>The interface class for all filter factories. </p>
<div class="refsect2">
<a name="idp133803824"></a><h3>
<a name="boost.log.filter_factoryconstruct-copy-destruct"></a><code class="computeroutput">filter_factory</code>
public
construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><a name="idp46606848-bb"></a><span class="identifier">filter_factory</span><span class="special">(</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span></pre>
<p>Default constructor </p>
</li>
<li class="listitem"><pre class="literallayout"><a name="idp46608528-bb"></a><span class="identifier">filter_factory</span><span class="special">(</span><a class="link" href="filter_factory.html" title="Struct template filter_factory">filter_factory</a> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><a class="link" href="filter_factory.html" title="Struct template filter_factory">filter_factory</a> <span class="special">&amp;</span> <a name="idp46610064-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><a class="link" href="filter_factory.html" title="Struct template filter_factory">filter_factory</a> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">delete</span><span class="special">;</span></pre></li>
<li class="listitem">
<pre class="literallayout"><a name="idp46607824-bb"></a><span class="special">~</span><span class="identifier">filter_factory</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p>Virtual destructor </p>
</li>
</ol></div>
</div>
<div class="refsect2">
<a name="idp133831824"></a><h3>
<a name="idp46582544-bb"></a><code class="computeroutput">filter_factory</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">filter</span> <a name="idp46583104-bb"></a><span class="identifier">on_exists_test</span><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span> name<span class="special">)</span><span class="special">;</span></pre>
<p>The callback for filter for the attribute existence test </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">filter</span>
<a name="idp46585376-bb"></a><span class="identifier">on_equality_relation</span><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span> name<span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span> arg<span class="special">)</span><span class="special">;</span></pre>
<p>The callback for equality relation filter </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">filter</span>
<a name="idp46588320-bb"></a><span class="identifier">on_inequality_relation</span><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span> name<span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span> arg<span class="special">)</span><span class="special">;</span></pre>
<p>The callback for inequality relation filter </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">filter</span>
<a name="idp46591264-bb"></a><span class="identifier">on_less_relation</span><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span> name<span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span> arg<span class="special">)</span><span class="special">;</span></pre>
<p>The callback for less relation filter </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">filter</span>
<a name="idp46594192-bb"></a><span class="identifier">on_greater_relation</span><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span> name<span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span> arg<span class="special">)</span><span class="special">;</span></pre>
<p>The callback for greater relation filter </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">filter</span>
<a name="idp46597136-bb"></a><span class="identifier">on_less_or_equal_relation</span><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span> name<span class="special">,</span>
<span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span> arg<span class="special">)</span><span class="special">;</span></pre>
<p>The callback for less or equal relation filter </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">filter</span>
<a name="idp46600096-bb"></a><span class="identifier">on_greater_or_equal_relation</span><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span> name<span class="special">,</span>
<span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span> arg<span class="special">)</span><span class="special">;</span></pre>
<p>The callback for greater or equal relation filter </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">virtual</span> <span class="identifier">filter</span>
<a name="idp46603056-bb"></a><span class="identifier">on_custom_relation</span><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span> name<span class="special">,</span> <span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span> rel<span class="special">,</span>
<span class="identifier">string_type</span> <span class="keyword">const</span> <span class="special">&amp;</span> arg<span class="special">)</span><span class="special">;</span></pre>
<p>The callback for custom relation filter </p>
</li>
</ol></div>
</div>
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