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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<a href="#InfAdoptedRequest.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#InfAdoptedRequest.description" class="shortcut">Description</a>
                   | 
                  <a href="#InfAdoptedRequest.object-hierarchy" class="shortcut">Object Hierarchy</a>
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                  <a href="#InfAdoptedRequest.properties" class="shortcut">Properties</a>
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<h2><span class="refentrytitle"><a name="InfAdoptedRequest.top_of_page"></a>InfAdoptedRequest</span></h2>
<p>InfAdoptedRequest — Request processed by <a class="link" href="InfAdoptedAlgorithm.html" title="InfAdoptedAlgorithm"><span class="type">InfAdoptedAlgorithm</span></a>.</p>
</td>
<td valign="top" align="right"></td>
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<div class="refsect1">
<a name="InfAdoptedRequest.stability-level"></a><h2>Stability Level</h2>
Unstable, unless otherwise indicated
</div>
<div class="refsynopsisdiv">
<a name="InfAdoptedRequest.synopsis"></a><h2>Synopsis</h2>
<a name="InfAdoptedRequestType"></a><pre class="synopsis">
#include &lt;libinfinity/adopted/inf-adopted-request.h&gt;

enum                <a class="link" href="InfAdoptedRequest.html#InfAdoptedRequestType-enum" title="enum InfAdoptedRequestType">InfAdoptedRequestType</a>;
                    <a class="link" href="InfAdoptedRequest.html#InfAdoptedRequest-struct" title="InfAdoptedRequest">InfAdoptedRequest</a>;
struct              <a class="link" href="InfAdoptedRequest.html#InfAdoptedRequestClass" title="struct InfAdoptedRequestClass">InfAdoptedRequestClass</a>;
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-new-do" title="inf_adopted_request_new_do ()">inf_adopted_request_new_do</a>          (<em class="parameter"><code><a class="link" href="InfAdoptedStateVector.html" title="InfAdoptedStateVector"><span class="type">InfAdoptedStateVector</span></a> *vector</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> user_id</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedOperation.html" title="InfAdoptedOperation"><span class="type">InfAdoptedOperation</span></a> *operation</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-new-undo" title="inf_adopted_request_new_undo ()">inf_adopted_request_new_undo</a>        (<em class="parameter"><code><a class="link" href="InfAdoptedStateVector.html" title="InfAdoptedStateVector"><span class="type">InfAdoptedStateVector</span></a> *vector</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> user_id</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-new-redo" title="inf_adopted_request_new_redo ()">inf_adopted_request_new_redo</a>        (<em class="parameter"><code><a class="link" href="InfAdoptedStateVector.html" title="InfAdoptedStateVector"><span class="type">InfAdoptedStateVector</span></a> *vector</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> user_id</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-copy" title="inf_adopted_request_copy ()">inf_adopted_request_copy</a>            (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);
<a class="link" href="InfAdoptedRequest.html#InfAdoptedRequestType"><span class="returnvalue">InfAdoptedRequestType</span></a> <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-get-request-type" title="inf_adopted_request_get_request_type ()">inf_adopted_request_get_request_type</a>
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);
<a class="link" href="InfAdoptedStateVector.html" title="InfAdoptedStateVector"><span class="returnvalue">InfAdoptedStateVector</span></a> * <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-get-vector" title="inf_adopted_request_get_vector ()">inf_adopted_request_get_vector</a>  (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);
<span class="returnvalue">guint</span>               <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-get-user-id" title="inf_adopted_request_get_user_id ()">inf_adopted_request_get_user_id</a>     (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);
<a class="link" href="InfAdoptedOperation.html" title="InfAdoptedOperation"><span class="returnvalue">InfAdoptedOperation</span></a> * <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-get-operation" title="inf_adopted_request_get_operation ()">inf_adopted_request_get_operation</a> (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);
<span class="returnvalue">guint</span>               <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-get-index" title="inf_adopted_request_get_index ()">inf_adopted_request_get_index</a>       (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);
<span class="returnvalue">gboolean</span>            <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-need-concurrency-id" title="inf_adopted_request_need_concurrency_id ()">inf_adopted_request_need_concurrency_id</a>
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *against</code></em>);
<a class="link" href="InfAdoptedOperation.html#InfAdoptedConcurrencyId"><span class="returnvalue">InfAdoptedConcurrencyId</span></a> <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-get-concurrency-id" title="inf_adopted_request_get_concurrency_id ()">inf_adopted_request_get_concurrency_id</a>
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *against</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-transform" title="inf_adopted_request_transform ()">inf_adopted_request_transform</a>       (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *against</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedOperation.html#InfAdoptedConcurrencyId"><span class="type">InfAdoptedConcurrencyId</span></a> concurrency_id</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-mirror" title="inf_adopted_request_mirror ()">inf_adopted_request_mirror</a>          (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> by</code></em>);
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-fold" title="inf_adopted_request_fold ()">inf_adopted_request_fold</a>            (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> into</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> by</code></em>);
<span class="returnvalue">gboolean</span>            <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-affects-buffer" title="inf_adopted_request_affects_buffer ()">inf_adopted_request_affects_buffer</a>  (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="InfAdoptedRequest.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
  GEnum
   +----InfAdoptedRequestType
</pre>
<pre class="synopsis">
  GObject
   +----InfAdoptedRequest
</pre>
</div>
<div class="refsect1">
<a name="InfAdoptedRequest.properties"></a><h2>Properties</h2>
<pre class="synopsis">
  "<a class="link" href="InfAdoptedRequest.html#InfAdoptedRequest--operation" title='The "operation" property'>operation</a>"                <a class="link" href="InfAdoptedOperation.html" title="InfAdoptedOperation"><span class="type">InfAdoptedOperation</span></a>*  : Read / Write / Construct Only
  "<a class="link" href="InfAdoptedRequest.html#InfAdoptedRequest--type" title='The "type" property'>type</a>"                     <a class="link" href="InfAdoptedRequest.html#InfAdoptedRequestType"><span class="type">InfAdoptedRequestType</span></a>  : Read / Write / Construct Only
  "<a class="link" href="InfAdoptedRequest.html#InfAdoptedRequest--user-id" title='The "user-id" property'>user-id</a>"                  <span class="type">guint</span>                 : Read / Write / Construct Only
  "<a class="link" href="InfAdoptedRequest.html#InfAdoptedRequest--vector" title='The "vector" property'>vector</a>"                   <a class="link" href="InfAdoptedStateVector.html" title="InfAdoptedStateVector"><span class="type">InfAdoptedStateVector</span></a>*  : Read / Write / Construct Only
</pre>
</div>
<div class="refsect1">
<a name="InfAdoptedRequest.description"></a><h2>Description</h2>
<p>
An <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> is basically an <a class="link" href="InfAdoptedOperation.html" title="InfAdoptedOperation"><span class="type">InfAdoptedOperation</span></a> with some
metadata used by <a class="link" href="InfAdoptedAlgorithm.html" title="InfAdoptedAlgorithm"><span class="type">InfAdoptedAlgorithm</span></a> to determine which operations to
transform against each other. If the type of the request is
<a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-DO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_DO</code></a>, then it contains the operation to perform,
otherwise it does not because the request does not know the operation, it
is computed by <a class="link" href="InfAdoptedAlgorithm.html" title="InfAdoptedAlgorithm"><span class="type">InfAdoptedAlgorithm</span></a> when required. A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>
also contains the state in which the operation can be applied to the
buffer and the user ID of the <a class="link" href="InfAdoptedUser.html" title="InfAdoptedUser"><span class="type">InfAdoptedUser</span></a> having generated the request.
</p>
</div>
<div class="refsect1">
<a name="InfAdoptedRequest.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="InfAdoptedRequestType-enum"></a><h3>enum InfAdoptedRequestType</h3>
<pre class="programlisting">typedef enum {
  INF_ADOPTED_REQUEST_DO,
  INF_ADOPTED_REQUEST_UNDO,
  INF_ADOPTED_REQUEST_REDO
} InfAdoptedRequestType;
</pre>
<p>
Possible types for an <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><a name="INF-ADOPTED-REQUEST-DO:CAPS"></a><span class="term"><code class="literal">INF_ADOPTED_REQUEST_DO</code></span></p></td>
<td>A request that performs an operation.
</td>
</tr>
<tr>
<td><p><a name="INF-ADOPTED-REQUEST-UNDO:CAPS"></a><span class="term"><code class="literal">INF_ADOPTED_REQUEST_UNDO</code></span></p></td>
<td>A request that undoes a previously applied
request.
</td>
</tr>
<tr>
<td><p><a name="INF-ADOPTED-REQUEST-REDO:CAPS"></a><span class="term"><code class="literal">INF_ADOPTED_REQUEST_REDO</code></span></p></td>
<td>A request that redoes a previously undone
request.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="InfAdoptedRequest-struct"></a><h3>InfAdoptedRequest</h3>
<pre class="programlisting">typedef struct _InfAdoptedRequest InfAdoptedRequest;</pre>
<p>
<a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> is an opaque data type. You should only access it via
the public API functions.
</p>
</div>
<hr>
<div class="refsect2">
<a name="InfAdoptedRequestClass"></a><h3>struct InfAdoptedRequestClass</h3>
<pre class="programlisting">struct InfAdoptedRequestClass {
};
</pre>
<p>
This structure does not contain any public fields.
</p>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-new-do"></a><h3>inf_adopted_request_new_do ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_new_do          (<em class="parameter"><code><a class="link" href="InfAdoptedStateVector.html" title="InfAdoptedStateVector"><span class="type">InfAdoptedStateVector</span></a> *vector</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> user_id</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedOperation.html" title="InfAdoptedOperation"><span class="type">InfAdoptedOperation</span></a> *operation</code></em>);</pre>
<p>
Creates a new <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> with type <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-DO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_DO</code></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
<td>The vector time at which the request was made.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_id</code></em> :</span></p></td>
<td>The ID of the user that made the request.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>operation</code></em> :</span></p></td>
<td>The operation the user performed.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A new DO request.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-new-undo"></a><h3>inf_adopted_request_new_undo ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_new_undo        (<em class="parameter"><code><a class="link" href="InfAdoptedStateVector.html" title="InfAdoptedStateVector"><span class="type">InfAdoptedStateVector</span></a> *vector</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> user_id</code></em>);</pre>
<p>
Creates a new <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> with type <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-UNDO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_UNDO</code></a>.
The operation performed is implicitely defined by reverting the operation
of the associated DO or REDO request, but must still be computed by
<a class="link" href="InfAdoptedAlgorithm.html" title="InfAdoptedAlgorithm"><span class="type">InfAdoptedAlgorithm</span></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
<td>The vector time at which the request was made.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_id</code></em> :</span></p></td>
<td>The ID of the user that made the request.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A new UNDO request.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-new-redo"></a><h3>inf_adopted_request_new_redo ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_new_redo        (<em class="parameter"><code><a class="link" href="InfAdoptedStateVector.html" title="InfAdoptedStateVector"><span class="type">InfAdoptedStateVector</span></a> *vector</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> user_id</code></em>);</pre>
<p>
Creates a new <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> with type <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-REDO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_REDO</code></a>. The
operation performed is implicitely defined by reverting the operation of
the associated UNDO request, but must still be computed by
<a class="link" href="InfAdoptedAlgorithm.html" title="InfAdoptedAlgorithm"><span class="type">InfAdoptedAlgorithm</span></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
<td>The vector time at which the request was made.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_id</code></em> :</span></p></td>
<td>The ID of the user that made the request.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A new REDO request.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-copy"></a><h3>inf_adopted_request_copy ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_copy            (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);</pre>
<p>
Creates a copy of <em class="parameter"><code>request</code></em> with an initial reference count of 1.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>The <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> to copy.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A new <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-get-request-type"></a><h3>inf_adopted_request_get_request_type ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html#InfAdoptedRequestType"><span class="returnvalue">InfAdoptedRequestType</span></a> inf_adopted_request_get_request_type
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);</pre>
<p>
Returns the request type of <em class="parameter"><code>request</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The type of <em class="parameter"><code>request</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-get-vector"></a><h3>inf_adopted_request_get_vector ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedStateVector.html" title="InfAdoptedStateVector"><span class="returnvalue">InfAdoptedStateVector</span></a> * inf_adopted_request_get_vector  (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);</pre>
<p>
Returns the vector time the request was made i.e. its operation can be
applied to the buffer.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The state vector of <em class="parameter"><code>request</code></em>. The returned value should
not be freed, it is owned by the <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-get-user-id"></a><h3>inf_adopted_request_get_user_id ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span>               inf_adopted_request_get_user_id     (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);</pre>
<p>
Returns the user ID of the user that issued <em class="parameter"><code>request</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The request's user ID.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-get-operation"></a><h3>inf_adopted_request_get_operation ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedOperation.html" title="InfAdoptedOperation"><span class="returnvalue">InfAdoptedOperation</span></a> * inf_adopted_request_get_operation (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);</pre>
<p>
Returns the operation carried by the request. This can only be called if
the request's type is <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-DO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_DO</code></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The request's operation.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-get-index"></a><h3>inf_adopted_request_get_index ()</h3>
<pre class="programlisting"><span class="returnvalue">guint</span>               inf_adopted_request_get_index       (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);</pre>
<p>
Returns the vector time component of the request's own users. This
corresponds to the request index by that user.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The vector time component of the request's own user.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-need-concurrency-id"></a><h3>inf_adopted_request_need_concurrency_id ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>            inf_adopted_request_need_concurrency_id
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *against</code></em>);</pre>
<p>
returns <code class="literal">TRUE</code> if you don't have another possibility to find a
concurrency ID in which case user IDs are used to determine which request
to transform.
</p>
<p>
Both request need to be of type <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-DO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_DO</code></a>, and their state
vectors must be the same.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>The request to transform.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>against</code></em> :</span></p></td>
<td>The request to transform against.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Whether transformation of <em class="parameter"><code>request</code></em> against <em class="parameter"><code>against</code></em> requires a
concurrency ID.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-get-concurrency-id"></a><h3>inf_adopted_request_get_concurrency_id ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedOperation.html#InfAdoptedConcurrencyId"><span class="returnvalue">InfAdoptedConcurrencyId</span></a> inf_adopted_request_get_concurrency_id
                                                        (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *against</code></em>);</pre>
<p>
Returns a concurrency ID for transformation of <em class="parameter"><code>operation</code></em> against <em class="parameter"><code>against</code></em>.
It always returns <a class="link" href="InfAdoptedOperation.html#INF-ADOPTED-CONCURRENCY-NONE:CAPS"><code class="literal">INF_ADOPTED_CONCURRENCY_NONE</code></a> when
<a class="link" href="InfAdoptedRequest.html#inf-adopted-request-need-concurrency-id" title="inf_adopted_request_need_concurrency_id ()"><code class="function">inf_adopted_request_need_concurrency_id()</code></a> returns <code class="literal">TRUE</code> (but that's not
necessarily true the other way around), since it is not possible to decide
which operation to transform without any additional information.
</p>
<p>
However, the function can be called on the same requests in a previous
state. In some cases, a decision can be made based on these previous
requests. This can be used as a concurrency ID for a call to
<a class="link" href="InfAdoptedRequest.html#inf-adopted-request-transform" title="inf_adopted_request_transform ()"><code class="function">inf_adopted_request_transform()</code></a>. If this does not yield a decision, it is
still possible to call <a class="link" href="InfAdoptedRequest.html#inf-adopted-request-transform" title="inf_adopted_request_transform ()"><code class="function">inf_adopted_request_transform()</code></a> with
<a class="link" href="InfAdoptedOperation.html#INF-ADOPTED-CONCURRENCY-NONE:CAPS"><code class="literal">INF_ADOPTED_CONCURRENCY_NONE</code></a> as concurrency ID in which case an arbitrary
request will be transformed, based on the user IDs of the requests.
</p>
<p>
Both requests must be of type <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-DO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_DO</code></a>, and their state
vectors must be the same.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>The request to transform.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>against</code></em> :</span></p></td>
<td>The request to transform against.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A concurrency ID between <em class="parameter"><code>operation</code></em> and <em class="parameter"><code>against</code></em>. Can be
<a class="link" href="InfAdoptedOperation.html#INF-ADOPTED-CONCURRENCY-NONE:CAPS"><code class="literal">INF_ADOPTED_CONCURRENCY_NONE</code></a> in case no decision can be made.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-transform"></a><h3>inf_adopted_request_transform ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_transform       (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *against</code></em>,
                                                         <em class="parameter"><code><a class="link" href="InfAdoptedOperation.html#InfAdoptedConcurrencyId"><span class="type">InfAdoptedConcurrencyId</span></a> concurrency_id</code></em>);</pre>
<p>
Transforms the operation of <em class="parameter"><code>request</code></em> against the operation of <em class="parameter"><code>against</code></em>.
Both requests must be of type <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-DO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_DO</code></a>, and their state
vectors must be the same.
</p>
<p>
<em class="parameter"><code>concurrency_id</code></em> can be <a class="link" href="InfAdoptedOperation.html#INF-ADOPTED-CONCURRENCY-NONE:CAPS"><code class="literal">INF_ADOPTED_CONCURRENCY_NONE</code></a> even if the
transformation requires a concurrency ID (see
<a class="link" href="InfAdoptedRequest.html#inf-adopted-request-need-concurrency-id" title="inf_adopted_request_need_concurrency_id ()"><code class="function">inf_adopted_request_need_concurrency_id()</code></a>). In that case, it is assumed
that it does not matter which operation to transform, and user IDs are
used to determine a concurrency ID for the transformation.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>The request to transform.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>against</code></em> :</span></p></td>
<td>The request to transform against.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>concurrency_id</code></em> :</span></p></td>
<td>A concurrency ID for the transformation.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A new <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>, the result of the transformation.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-mirror"></a><h3>inf_adopted_request_mirror ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_mirror          (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> by</code></em>);</pre>
<p>
Mirrors <em class="parameter"><code>request</code></em> as described in "Reducing the Problems of Group Undo" by
Matthias Ressel and Rul Gunzenhäuser
(http://portal.acm.org/citation.cfm?doid=320297.320312).
</p>
<p>
Note that <em class="parameter"><code>by</code></em> is the total amount of requests between the original and
mirrored request, and thus equivalent to 2j-1 in the paper's definition.
</p>
<p>
<em class="parameter"><code>request</code></em> must be of type <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-DO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_DO</code></a> and its operation must
be reversible.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>by</code></em> :</span></p></td>
<td>The number of requests between the original and the mirrored
operation.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The mirrored request as a new <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-fold"></a><h3>inf_adopted_request_fold ()</h3>
<pre class="programlisting"><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="returnvalue">InfAdoptedRequest</span></a> * inf_adopted_request_fold            (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> into</code></em>,
                                                         <em class="parameter"><code><span class="type">guint</span> by</code></em>);</pre>
<p>
Folds <em class="parameter"><code>request</code></em> as described in "Reducing the Problems of Group Undo" by
Matthias Ressel and Rul Gunzenhäuser
(http://portal.acm.org/citation.cfm?doid=320297.320312).
</p>
<p>
Note that <em class="parameter"><code>by</code></em> is the total amount of requests between the original and
the fold request, and thus equivalent to 2j in the paper's definition.
</p>
<p>
<em class="parameter"><code>into</code></em> must not be the same user as the one that issued <em class="parameter"><code>request</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>into</code></em> :</span></p></td>
<td>The direction into which to fold.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>by</code></em> :</span></p></td>
<td>The number of operations between the original and the fold request.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The folded request as a new <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="inf-adopted-request-affects-buffer"></a><h3>inf_adopted_request_affects_buffer ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>            inf_adopted_request_affects_buffer  (<em class="parameter"><code><a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a> *request</code></em>);</pre>
<p>
Returns whether this request, when applied, changes the content of the
buffer. If this is a <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-UNDO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_UNDO</code></a> or <a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-REDO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_REDO</code></a>
request, than it always affects the buffer, because only requests that
affect the buffer can be undone or redone. If it is a
<a class="link" href="InfAdoptedRequest.html#INF-ADOPTED-REQUEST-DO:CAPS"><code class="literal">INF_ADOPTED_REQUEST_DO</code></a> request, than it returns whether its operation
has the <a class="link" href="InfAdoptedOperation.html#INF-ADOPTED-OPERATION-AFFECTS-BUFFER:CAPS"><code class="literal">INF_ADOPTED_OPERATION_AFFECTS_BUFFER</code></a> flag set.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>request</code></em> :</span></p></td>
<td>A <a class="link" href="InfAdoptedRequest.html" title="InfAdoptedRequest"><span class="type">InfAdoptedRequest</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>Whether <em class="parameter"><code>request</code></em> affects the session's buffer.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="InfAdoptedRequest.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="InfAdoptedRequest--operation"></a><h3>The <code class="literal">"operation"</code> property</h3>
<pre class="programlisting">  "operation"                <a class="link" href="InfAdoptedOperation.html" title="InfAdoptedOperation"><span class="type">InfAdoptedOperation</span></a>*  : Read / Write / Construct Only</pre>
<p>The operation of the request.</p>
</div>
<hr>
<div class="refsect2">
<a name="InfAdoptedRequest--type"></a><h3>The <code class="literal">"type"</code> property</h3>
<pre class="programlisting">  "type"                     <a class="link" href="InfAdoptedRequest.html#InfAdoptedRequestType"><span class="type">InfAdoptedRequestType</span></a>  : Read / Write / Construct Only</pre>
<p>The type of the operation.</p>
<p>Default value: INF_ADOPTED_REQUEST_DO</p>
</div>
<hr>
<div class="refsect2">
<a name="InfAdoptedRequest--user-id"></a><h3>The <code class="literal">"user-id"</code> property</h3>
<pre class="programlisting">  "user-id"                  <span class="type">guint</span>                 : Read / Write / Construct Only</pre>
<p>The ID of the user that made the request.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="InfAdoptedRequest--vector"></a><h3>The <code class="literal">"vector"</code> property</h3>
<pre class="programlisting">  "vector"                   <a class="link" href="InfAdoptedStateVector.html" title="InfAdoptedStateVector"><span class="type">InfAdoptedStateVector</span></a>*  : Read / Write / Construct Only</pre>
<p>The vector time at which the request was made.</p>
</div>
</div>
<div class="refsect1">
<a name="InfAdoptedRequest.see-also"></a><h2>See Also</h2>
<a class="link" href="InfAdoptedAlgorithm.html" title="InfAdoptedAlgorithm"><span class="type">InfAdoptedAlgorithm</span></a>
</div>
</div>
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