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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>GomAdapter: Gom Reference Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
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</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#GomAdapter.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
                  <a href="#GomAdapter.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="ch01.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="GomCommand.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="GomAdapter"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GomAdapter.top_of_page"></a>GomAdapter</span></h2>
<p>GomAdapter</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GomAdapter.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="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GomAdapter.html#GOM-ADAPTER-CONST:CAPS" title="GOM_ADAPTER_CONST()">GOM_ADAPTER_CONST</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="GomAdapter.html#GomAdapterCallback" title="GomAdapterCallback ()">*GomAdapterCallback</a><span class="c_punctuation">)</span> <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="GomAdapter.html#gom-adapter-close-sync" title="gom_adapter_close_sync ()">gom_adapter_close_sync</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="GomAdapter.html#gom-adapter-close-async" title="gom_adapter_close_async ()">gom_adapter_close_async</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="GomAdapter.html#gom-adapter-close-finish" title="gom_adapter_close_finish ()">gom_adapter_close_finish</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gpointer</span>
</td>
<td class="function_name">
<a class="link" href="GomAdapter.html#gom-adapter-get-handle" title="gom_adapter_get_handle ()">gom_adapter_get_handle</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GomAdapter.html" title="GomAdapter"><span class="returnvalue">GomAdapter</span></a> *
</td>
<td class="function_name">
<a class="link" href="GomAdapter.html#gom-adapter-new" title="gom_adapter_new ()">gom_adapter_new</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="GomAdapter.html#gom-adapter-open-sync" title="gom_adapter_open_sync ()">gom_adapter_open_sync</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="GomAdapter.html#gom-adapter-open-async" title="gom_adapter_open_async ()">gom_adapter_open_async</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="GomAdapter.html#gom-adapter-open-finish" title="gom_adapter_open_finish ()">gom_adapter_open_finish</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="GomAdapter.html#gom-adapter-queue-read" title="gom_adapter_queue_read ()">gom_adapter_queue_read</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="GomAdapter.html#gom-adapter-queue-write" title="gom_adapter_queue_write ()">gom_adapter_queue_write</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="GomAdapter.html#gom-adapter-execute-sql" title="gom_adapter_execute_sql ()">gom_adapter_execute_sql</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GomAdapter.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    GObject
    <span class="lineart">╰──</span> GomAdapter
</pre>
</div>
<div class="refsect1">
<a name="GomAdapter.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="GomAdapter.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="GOM-ADAPTER-CONST:CAPS"></a><h3>GOM_ADAPTER_CONST()</h3>
<pre class="programlisting">#define GOM_ADAPTER_CONST(obj)      (G_TYPE_CHECK_INSTANCE_CAST ((obj), GOM_TYPE_ADAPTER, GomAdapter const))
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GomAdapterCallback"></a><h3>GomAdapterCallback ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*GomAdapterCallback<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a> *adapter</code></em>,
                       <em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gom-adapter-close-sync"></a><h3>gom_adapter_close_sync ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gom_adapter_close_sync (<em class="parameter"><code><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a> *adapter</code></em>,
                        <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gom-adapter-close-async"></a><h3>gom_adapter_close_async ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gom_adapter_close_async (<em class="parameter"><code><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a> *adapter</code></em>,
                         <em class="parameter"><code><span class="type">GAsyncReadyCallback</span> callback</code></em>,
                         <em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gom-adapter-close-finish"></a><h3>gom_adapter_close_finish ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gom_adapter_close_finish (<em class="parameter"><code><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a> *adapter</code></em>,
                          <em class="parameter"><code><span class="type">GAsyncResult</span> *result</code></em>,
                          <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gom-adapter-get-handle"></a><h3>gom_adapter_get_handle ()</h3>
<pre class="programlisting"><span class="returnvalue">gpointer</span>
gom_adapter_get_handle (<em class="parameter"><code><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a> *adapter</code></em>);</pre>
<p>Fetches the sqlite3 structure used by the adapter.</p>
<div class="refsect3">
<a name="gom-adapter-get-handle.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>adapter</p></td>
<td class="parameter_description"><p> A <a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input. Default is transfer none."><span class="acronym">in</span></acronym>]</span></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gom-adapter-get-handle.returns"></a><h4>Returns</h4>
<p> A handle to the <span class="type">sqlite3</span> structure.
Side effects: None. </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="gom-adapter-new"></a><h3>gom_adapter_new ()</h3>
<pre class="programlisting"><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="returnvalue">GomAdapter</span></a> *
gom_adapter_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gom-adapter-open-sync"></a><h3>gom_adapter_open_sync ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gom_adapter_open_sync (<em class="parameter"><code><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a> *adapter</code></em>,
                       <em class="parameter"><code>const <span class="type">gchar</span> *uri</code></em>,
                       <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gom-adapter-open-async"></a><h3>gom_adapter_open_async ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gom_adapter_open_async (<em class="parameter"><code><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a> *adapter</code></em>,
                        <em class="parameter"><code>const <span class="type">gchar</span> *uri</code></em>,
                        <em class="parameter"><code><span class="type">GAsyncReadyCallback</span> callback</code></em>,
                        <em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
<p>Opens the database pointed to by <em class="parameter"><code>uri</code></em>
. <em class="parameter"><code>uri</code></em>
 can be in any format understood
by SQLite. See <a class="ulink" href="http://www.sqlite.org/c3ref/open.html" target="_top">http://www.sqlite.org/c3ref/open.html</a>
for details.</p>
<div class="refsect3">
<a name="gom-adapter-open-async.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>adapter</p></td>
<td class="parameter_description"><p>a <a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>uri</p></td>
<td class="parameter_description"><p>a URI understood by SQLite</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>callback</p></td>
<td class="parameter_description"><p>the function to call when the operation finished, or <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>the user data to pass to the callback function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gom-adapter-open-finish"></a><h3>gom_adapter_open_finish ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gom_adapter_open_finish (<em class="parameter"><code><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a> *adapter</code></em>,
                         <em class="parameter"><code><span class="type">GAsyncResult</span> *result</code></em>,
                         <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="gom-adapter-queue-read"></a><h3>gom_adapter_queue_read ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gom_adapter_queue_read (<em class="parameter"><code><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a> *adapter</code></em>,
                        <em class="parameter"><code><a class="link" href="GomAdapter.html#GomAdapterCallback" title="GomAdapterCallback ()"><span class="type">GomAdapterCallback</span></a> callback</code></em>,
                        <em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
<p>Queues a callback to be executed within the SQLite thread. The callback is
expected to perform reads only.</p>
<div class="refsect3">
<a name="gom-adapter-queue-read.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>adapter</p></td>
<td class="parameter_description"><p> A <a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input. Default is transfer none."><span class="acronym">in</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>callback</p></td>
<td class="parameter_description"><p> A callback to execute read queries on SQLite. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input. Default is transfer none."><span class="acronym">in</span></acronym>][<acronym title="The callback is valid until first called."><span class="acronym">scope async</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p> User data for <em class="parameter"><code>callback</code></em>
. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input. Default is transfer none."><span class="acronym">in</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gom-adapter-queue-write"></a><h3>gom_adapter_queue_write ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gom_adapter_queue_write (<em class="parameter"><code><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a> *adapter</code></em>,
                         <em class="parameter"><code><a class="link" href="GomAdapter.html#GomAdapterCallback" title="GomAdapterCallback ()"><span class="type">GomAdapterCallback</span></a> callback</code></em>,
                         <em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
<p>Queues a callback to be executed within the SQLite thwrite. The callback can
perform reads and writes.</p>
<div class="refsect3">
<a name="gom-adapter-queue-write.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>adapter</p></td>
<td class="parameter_description"><p> A <a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input. Default is transfer none."><span class="acronym">in</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>callback</p></td>
<td class="parameter_description"><p> A callback to execute write queries on SQLite. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input. Default is transfer none."><span class="acronym">in</span></acronym>][<acronym title="The callback is valid until first called."><span class="acronym">scope async</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p> User data for <em class="parameter"><code>callback</code></em>
. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input. Default is transfer none."><span class="acronym">in</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gom-adapter-execute-sql"></a><h3>gom_adapter_execute_sql ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gom_adapter_execute_sql (<em class="parameter"><code><a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a> *adapter</code></em>,
                         <em class="parameter"><code>const <span class="type">gchar</span> *sql</code></em>,
                         <em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>This is a helper function to make simple execution of SQL easier.
It is primarily meant for things like "BEGIN;" and "COMMIT;".</p>
<p>This MUST be called from within a write transaction using
<a class="link" href="GomAdapter.html#gom-adapter-queue-write" title="gom_adapter_queue_write ()"><code class="function">gom_adapter_queue_write()</code></a>.</p>
<div class="refsect3">
<a name="gom-adapter-execute-sql.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>adapter</p></td>
<td class="parameter_description"><p>A <a class="link" href="GomAdapter.html" title="GomAdapter"><span class="type">GomAdapter</span></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>sql</p></td>
<td class="parameter_description"><p>SQL to execute.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a <span class="type">GError</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gom-adapter-execute-sql.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if successful;</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="GomAdapter.other_details"></a><h2>Types and Values</h2>
</div>
</div>
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