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<a name="dee-1.0-DeeResourceManager"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="dee-1.0-DeeResourceManager.top_of_page"></a>DeeResourceManager</span></h2>
<p>DeeResourceManager — Store and load <span class="type">DeeSerializable</span>s by name</p>
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<div class="refsect1">
<a name="dee-1.0-DeeResourceManager.functions"></a><h2>Functions</h2>
<div class="informaltable"><table 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">DeeResourceManager</span> *
</td>
<td class="function_name">
<a class="link" href="dee-1.0-DeeResourceManager.html#dee-resource-manager-get-default" title="dee_resource_manager_get_default ()">dee_resource_manager_get_default</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GObject</span> *
</td>
<td class="function_name">
<a class="link" href="dee-1.0-DeeResourceManager.html#dee-resource-manager-load" title="dee_resource_manager_load ()">dee_resource_manager_load</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="dee-1.0-DeeResourceManager.html#dee-resource-manager-store" title="dee_resource_manager_store ()">dee_resource_manager_store</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="dee-1.0-DeeResourceManager.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="dee-1.0-DeeResourceManager.html#DeeResourceManagerIface" title="struct DeeResourceManagerIface">DeeResourceManagerIface</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="dee-1.0-DeeResourceManager.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">
</pre>
</div>
<div class="refsect1">
<a name="dee-1.0-DeeResourceManager.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <dee.h>
</pre>
</div>
<div class="refsect1">
<a name="dee-1.0-DeeResourceManager.description"></a><h2>Description</h2>
<p>The <span class="type">DeeResourceManager</span> API provides a simple API for storing and loading
DeeSerializables from some persistent storage. The resources
are stored in a flat structure identified by names that should be chosen
similarly to DBus names. That is reverse domain names ala
net.launchpad.Example.MyData.</p>
</div>
<div class="refsect1">
<a name="dee-1.0-DeeResourceManager.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="dee-resource-manager-get-default"></a><h3>dee_resource_manager_get_default ()</h3>
<pre class="programlisting"><span class="returnvalue">DeeResourceManager</span> *
dee_resource_manager_get_default (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Get a pointer to the platform default <span class="type">DeeResourceManager</span>.</p>
<div class="refsect3">
<a name="id-1.5.3.8.2.5"></a><h4>Returns</h4>
<p> The default resource manager for the platform.
Do not unreference. If you need to keep the instance around
you must manually reference it. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-resource-manager-load"></a><h3>dee_resource_manager_load ()</h3>
<pre class="programlisting"><span class="returnvalue">GObject</span> *
dee_resource_manager_load (<em class="parameter"><code><span class="type">DeeResourceManager</span> *self</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *resource_name</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Load a resource from persistent storage. The loaded resource will be of the
same GType as when it was stored (provided that the same serialization and
parse functions are registered).</p>
<p>In case of an error the error will be in the <span class="type">GFileError</span> domain. Specifically
if there is no resource with the name <em class="parameter"><code>resource_name</code></em>
the error code will
be <span class="type">G_FILE_ERROR_NOENT</span>.</p>
<p>Important note: This call may do blocking IO. The resource manager must
guarantee that this call is reasonably fast, like writing the externalized
resource to a file, but not blocking IO over a network socket.</p>
<div class="refsect3">
<a name="id-1.5.3.8.3.7"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>self</p></td>
<td class="parameter_description"><p>The resource manager to invoke</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>resource_name</p></td>
<td class="parameter_description"><p>The name of the resource to retrieve</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>A return location for a <span class="type">GError</span> pointer. <code class="literal">NULL</code> to ignore errors</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.5.3.8.3.8"></a><h4>Returns</h4>
<p> A newly allocated <span class="type">GObject</span> in case of success
and <code class="literal">NULL</code> otherwise. In case of a runtime error the <em class="parameter"><code>error</code></em>
pointer will be set. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-resource-manager-store"></a><h3>dee_resource_manager_store ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
dee_resource_manager_store (<em class="parameter"><code><span class="type">DeeResourceManager</span> *self</code></em>,
<em class="parameter"><code><span class="type">DeeSerializable</span> *resource</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *resource_name</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Store a resource under a given name. The resource manager must guarantee
that the stored data survives system reboots and that you can recreate a
copy of <em class="parameter"><code>resource</code></em>
by calling <a class="link" href="dee-1.0-DeeResourceManager.html#dee-resource-manager-load" title="dee_resource_manager_load ()"><code class="function">dee_resource_manager_load()</code></a> using the
same <em class="parameter"><code>resource_name</code></em>
.</p>
<p>Important note: This call may do blocking IO. The resource manager must
guarantee that this call is reasonably fast, like writing the externalized
resource to a file, but not blocking IO over a network socket.</p>
<div class="refsect3">
<a name="id-1.5.3.8.4.6"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>self</p></td>
<td class="parameter_description"><p>The resource manager to invoke</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>resource</p></td>
<td class="parameter_description"><p>A <span class="type">DeeSerializable</span> to store under <em class="parameter"><code>resource_name</code></em>
. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>resource_name</p></td>
<td class="parameter_description"><p>The name to store the resource under. Will overwrite any
existing resource with the same name</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>A return location for a <span class="type">GError</span> pointer. <code class="literal">NULL</code> to ignore errors</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.5.3.8.4.7"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> on success and <code class="literal">FALSE</code> otherwise. In case of a runtime
error the <em class="parameter"><code>error</code></em>
pointer will point to a <span class="type">GError</span> in the
<span class="type">DeeResourceError</span> domain.</p>
<p></p>
</div>
</div>
</div>
<div class="refsect1">
<a name="dee-1.0-DeeResourceManager.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="DeeResourceManagerIface"></a><h3>struct DeeResourceManagerIface</h3>
<pre class="programlisting">struct DeeResourceManagerIface {
GTypeInterface g_iface;
gboolean (*store) (DeeResourceManager *self,
DeeSerializable *resource,
const gchar *resource_name,
GError **error);
GObject* (*load) (DeeResourceManager *self,
const gchar *resource_name,
GError **error);
};
</pre>
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