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<a href="#camel-camel-weak-ref-group.description" class="shortcut">Description</a></span>
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<a name="camel-camel-weak-ref-group"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="camel-camel-weak-ref-group.top_of_page"></a>camel-weak-ref-group</span></h2>
<p>camel-weak-ref-group — A weak ref group</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="camel-camel-weak-ref-group.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">CamelWeakRefGroup</span> *
</td>
<td class="function_name">
<a class="link" href="camel-camel-weak-ref-group.html#camel-weak-ref-group-new" title="camel_weak_ref_group_new ()">camel_weak_ref_group_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">CamelWeakRefGroup</span> *
</td>
<td class="function_name">
<a class="link" href="camel-camel-weak-ref-group.html#camel-weak-ref-group-ref" title="camel_weak_ref_group_ref ()">camel_weak_ref_group_ref</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="camel-camel-weak-ref-group.html#camel-weak-ref-group-unref" title="camel_weak_ref_group_unref ()">camel_weak_ref_group_unref</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="camel-camel-weak-ref-group.html#camel-weak-ref-group-set" title="camel_weak_ref_group_set ()">camel_weak_ref_group_set</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
</td>
<td class="function_name">
<a class="link" href="camel-camel-weak-ref-group.html#camel-weak-ref-group-get" title="camel_weak_ref_group_get ()">camel_weak_ref_group_get</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="camel-camel-weak-ref-group.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <camel/camel.h>
</pre>
</div>
<div class="refsect1">
<a name="camel-camel-weak-ref-group.description"></a><h2>Description</h2>
<p>A <a href="../gobject/gobject-The-Base-Object-Type.html#GWeakRef"><span class="type">GWeakRef</span></a> as such is not suitable for large sets, because
it causes big performance impact on free. This <span class="type">CamelWeakRefGroup</span>
groups together weak references for the same object to minimize
the performance issue of the <a href="../gobject/gobject-The-Base-Object-Type.html#GWeakRef"><span class="type">GWeakRef</span></a>.</p>
</div>
<div class="refsect1">
<a name="camel-camel-weak-ref-group.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="camel-weak-ref-group-new"></a><h3>camel_weak_ref_group_new ()</h3>
<pre class="programlisting"><span class="returnvalue">CamelWeakRefGroup</span> *
camel_weak_ref_group_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<div class="refsect3">
<a name="camel-weak-ref-group-new.returns"></a><h4>Returns</h4>
<p>A new <span class="type">CamelWeakRefGroup</span> instance, which should
be freed with <a class="link" href="camel-camel-weak-ref-group.html#camel-weak-ref-group-unref" title="camel_weak_ref_group_unref ()"><code class="function">camel_weak_ref_group_unref()</code></a> when no longer needed. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-24.html#api-index-3.24">3.24</a></p>
</div>
<hr>
<div class="refsect2">
<a name="camel-weak-ref-group-ref"></a><h3>camel_weak_ref_group_ref ()</h3>
<pre class="programlisting"><span class="returnvalue">CamelWeakRefGroup</span> *
camel_weak_ref_group_ref (<em class="parameter"><code><span class="type">CamelWeakRefGroup</span> *group</code></em>);</pre>
<p>Increases a reference count of the <em class="parameter"><code>group</code></em>
.</p>
<div class="refsect3">
<a name="camel-weak-ref-group-ref.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>group</p></td>
<td class="parameter_description"><p>a <span class="type">CamelWeakRefGroup</span></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="camel-weak-ref-group-ref.returns"></a><h4>Returns</h4>
<p> the <em class="parameter"><code>group</code></em>
</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-24.html#api-index-3.24">3.24</a></p>
</div>
<hr>
<div class="refsect2">
<a name="camel-weak-ref-group-unref"></a><h3>camel_weak_ref_group_unref ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
camel_weak_ref_group_unref (<em class="parameter"><code><span class="type">CamelWeakRefGroup</span> *group</code></em>);</pre>
<p>Decreases a reference count of the <em class="parameter"><code>group</code></em>
. The <em class="parameter"><code>group</code></em>
is
freed when the reference count reaches zero.</p>
<div class="refsect3">
<a name="camel-weak-ref-group-unref.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>group</p></td>
<td class="parameter_description"><p>a <span class="type">CamelWeakRefGroup</span></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3-24.html#api-index-3.24">3.24</a></p>
</div>
<hr>
<div class="refsect2">
<a name="camel-weak-ref-group-set"></a><h3>camel_weak_ref_group_set ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
camel_weak_ref_group_set (<em class="parameter"><code><span class="type">CamelWeakRefGroup</span> *group</code></em>,
<em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> object</code></em>);</pre>
<p>Sets the <em class="parameter"><code>object</code></em>
as the object help by this <em class="parameter"><code>group</code></em>
. If
the <em class="parameter"><code>object</code></em>
is <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, then unsets any previously set.</p>
<div class="refsect3">
<a name="camel-weak-ref-group-set.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>group</p></td>
<td class="parameter_description"><p>a <span class="type">CamelWeakRefGroup</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>object</p></td>
<td class="parameter_description"><p>a <a href="../gobject/gobject-The-Base-Object-Type.html#GObject-struct"><span class="type">GObject</span></a> descendant, or <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-3-24.html#api-index-3.24">3.24</a></p>
</div>
<hr>
<div class="refsect2">
<a name="camel-weak-ref-group-get"></a><h3>camel_weak_ref_group_get ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>
camel_weak_ref_group_get (<em class="parameter"><code><span class="type">CamelWeakRefGroup</span> *group</code></em>);</pre>
<div class="refsect3">
<a name="camel-weak-ref-group-get.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>group</p></td>
<td class="parameter_description"><p>a <span class="type">CamelWeakRefGroup</span></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="camel-weak-ref-group-get.returns"></a><h4>Returns</h4>
<p>A referenced object associated with <em class="parameter"><code>group</code></em>
,
or <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, when no object had been set to it. Use <a href="../gobject/gobject-The-Base-Object-Type.html#g-object-unref"><code class="function">g_object_unref()</code></a>
to free it, when no longer needed. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-24.html#api-index-3.24">3.24</a></p>
</div>
</div>
<div class="refsect1">
<a name="camel-camel-weak-ref-group.other_details"></a><h2>Types and Values</h2>
</div>
</div>
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