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<a href="#NAObject.description" class="shortcut">Description</a>
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<a href="#NAObject.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#NAObject.implemented-interfaces" class="shortcut">Implemented Interfaces</a>
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<div class="refentry">
<a name="NAObject"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="NAObject.top_of_page"></a>NAObject</span></h2>
<p>NAObject — The Deepest Base Class Definition</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="NAObject.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <nautilus-actions/na-object.h>
#define <a class="link" href="NAObject.html#NA-TYPE-OBJECT:CAPS" title="NA_TYPE_OBJECT">NA_TYPE_OBJECT</a>
#define <a class="link" href="NAObject.html#NA-OBJECT:CAPS" title="NA_OBJECT()">NA_OBJECT</a> (object)
#define <a class="link" href="NAObject.html#NA-IS-OBJECT:CAPS" title="NA_IS_OBJECT()">NA_IS_OBJECT</a> (object)
<a class="link" href="NAObject.html#NAObject-struct" title="NAObject">NAObject</a>;
<a class="link" href="NAObject.html#NAObjectClass" title="NAObjectClass">NAObjectClass</a>;
<span class="returnvalue">void</span> <a class="link" href="NAObject.html#na-object-object-reset-origin" title="na_object_object_reset_origin ()">na_object_object_reset_origin</a> (<em class="parameter"><code><a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>,
<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *origin</code></em>);
<a class="link" href="NAObject.html" title="NAObject"><span class="returnvalue">NAObject</span></a> * <a class="link" href="NAObject.html#na-object-object-ref" title="na_object_object_ref ()">na_object_object_ref</a> (<em class="parameter"><code><a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);
<span class="returnvalue">void</span> <a class="link" href="NAObject.html#na-object-object-unref" title="na_object_object_unref ()">na_object_object_unref</a> (<em class="parameter"><code><a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);
<span class="returnvalue">void</span> <a class="link" href="NAObject.html#na-object-object-dump" title="na_object_object_dump ()">na_object_object_dump</a> (<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);
<span class="returnvalue">void</span> <a class="link" href="NAObject.html#na-object-object-dump-norec" title="na_object_object_dump_norec ()">na_object_object_dump_norec</a> (<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);
<span class="returnvalue">void</span> <a class="link" href="NAObject.html#na-object-object-dump-tree" title="na_object_object_dump_tree ()">na_object_object_dump_tree</a> (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> *tree</code></em>);
<span class="returnvalue">void</span> <a class="link" href="NAObject.html#na-object-object-check-status-rec" title="na_object_object_check_status_rec ()">na_object_object_check_status_rec</a> (<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * <a class="link" href="NAObject.html#na-object-get-hierarchy" title="na_object_get_hierarchy ()">na_object_get_hierarchy</a> (<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);
<span class="returnvalue">void</span> <a class="link" href="NAObject.html#na-object-free-hierarchy" title="na_object_free_hierarchy ()">na_object_free_hierarchy</a> (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> *hierarchy</code></em>);
<span class="returnvalue">void</span> <a class="link" href="NAObject.html#na-object-object-debug-invalid" title="na_object_object_debug_invalid ()">na_object_object_debug_invalid</a> (<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>,
<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *reason</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="NAObject.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----NAObject
+----<a class="link" href="NAObjectId.html" title="NAObjectId">NAObjectId</a>
</pre>
</div>
<div class="refsect1">
<a name="NAObject.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
NAObject implements
<a class="link" href="NAIDuplicable.html" title="NAIDuplicable">NAIDuplicable</a>.</p>
</div>
<div class="refsect1">
<a name="NAObject.description"></a><h2>Description</h2>
<p>
This is the base class of all our data object hierarchy. <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> is
supposed to be used as a pure virtual base class, i.e. should only be
derived.
</p>
<p>
All the API described here is rather private. External code should
use the API described in <code class="filename">nautilus-actions/na-object-api.h</code>.
</p>
</div>
<div class="refsect1">
<a name="NAObject.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="NA-TYPE-OBJECT:CAPS"></a><h3>NA_TYPE_OBJECT</h3>
<pre class="programlisting">#define NA_TYPE_OBJECT ( na_object_object_get_type())
</pre>
</div>
<hr>
<div class="refsect2">
<a name="NA-OBJECT:CAPS"></a><h3>NA_OBJECT()</h3>
<pre class="programlisting">#define NA_OBJECT( object ) ( G_TYPE_CHECK_INSTANCE_CAST( object, NA_TYPE_OBJECT, NAObject ))
</pre>
</div>
<hr>
<div class="refsect2">
<a name="NA-IS-OBJECT:CAPS"></a><h3>NA_IS_OBJECT()</h3>
<pre class="programlisting">#define NA_IS_OBJECT( object ) ( G_TYPE_CHECK_INSTANCE_TYPE( object, NA_TYPE_OBJECT ))
</pre>
</div>
<hr>
<div class="refsect2">
<a name="NAObject-struct"></a><h3>NAObject</h3>
<pre class="programlisting">typedef struct _NAObject NAObject;</pre>
</div>
<hr>
<div class="refsect2">
<a name="NAObjectClass"></a><h3>NAObjectClass</h3>
<pre class="programlisting">typedef struct {
/**
* dump:
* @object: the NAObject-derived object to be dumped.
*
* Dumps via g_debug the content of the object.
*
* The derived class should call its parent class at the end of the
* dump of its own datas.
*
* Since: 2.30
*/
void ( *dump ) ( const NAObject *object );
/**
* copy:
* @target: the NAObject-derived object which will receive data.
* @source: the NAObject-derived object which provides data.
* @mode: the copy mode.
*
* Copies data and properties from @source to @target.
*
* The derived class should call its parent class at the end of the
* copy of its own datas.
*
* Since: 2.30
*/
void ( *copy ) ( NAObject *target, const NAObject *source, guint mode );
/**
* are_equal:
* @a: a first NAObject object.
* @b: a second NAObject object to be compared to the first one.
*
* Compares the two objects.
*
* When testing for the modification status of an object, @a stands for
* the original object, while @b stands for the duplicated one.
*
* As long as no difference is detected, the derived class should call
* its parent class at the end of its comparison.
* As soon as a difference is detected, the calling sequence should
* be stopped, and the result returned.
*
* Returns: TRUE if @a and @b are identical, FALSE else.
*
* Since: 2.30
*/
gboolean ( *are_equal )( const NAObject *a, const NAObject *b );
/**
* is_valid:
* @object: the NAObject object to be checked.
*
* Checks @object for validity.
*
* A NAObject is valid if its internal identifier is set.
*
* As long as the item is valid, the derived class should call its parent
* at the end of its checks.
* As soon as an error is detected, the calling sequence should be stopped,
* and the result returned.
*
* Returns: TRUE if @object is valid, FALSE else.
*
* Since: 2.30
*/
gboolean ( *is_valid ) ( const NAObject *object );
} NAObjectClass;
</pre>
<p>
The <a class="link" href="NAObject.html#NAObjectClass" title="NAObjectClass"><span class="type">NAObjectClass</span></a> defines some methods available to derived classes.
</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="structfield"><code><a name="NAObjectClass.dump"></a>dump</code></em> ()</span></p></td>
<td>Dumps the <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> -part of the <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> -derived object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="NAObjectClass.copy"></a>copy</code></em> ()</span></p></td>
<td>Copies a <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> to another.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="NAObjectClass.are-equal"></a>are_equal</code></em> ()</span></p></td>
<td>Tests if two <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> are equal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="NAObjectClass.is-valid"></a>is_valid</code></em> ()</span></p></td>
<td>Tests if a <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> is valid.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="na-object-object-reset-origin"></a><h3>na_object_object_reset_origin ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> na_object_object_reset_origin (<em class="parameter"><code><a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>,
<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *origin</code></em>);</pre>
<p>
Recursively reset origin of <em class="parameter"><code>object</code></em> and its children to <em class="parameter"><code>origin</code></em> (and
its children), so that <em class="parameter"><code>origin</code></em> appears as the actual origin of <em class="parameter"><code>object</code></em>.
</p>
<p>
The origin of <em class="parameter"><code>origin</code></em> itself is set to NULL.
</p>
<p>
This only works if <em class="parameter"><code>origin</code></em> has just been duplicated from <em class="parameter"><code>object</code></em>,
and thus we do not have to check if children lists are equal.
</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>object</code></em> :</span></p></td>
<td>a <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> -derived object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>origin</code></em> :</span></p></td>
<td>must be a duplication of <em class="parameter"><code>object</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.30</p>
</div>
<hr>
<div class="refsect2">
<a name="na-object-object-ref"></a><h3>na_object_object_ref ()</h3>
<pre class="programlisting"><a class="link" href="NAObject.html" title="NAObject"><span class="returnvalue">NAObject</span></a> * na_object_object_ref (<em class="parameter"><code><a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);</pre>
<p>
Recursively ref the <em class="parameter"><code>object</code></em> and all its children, incrementing their
reference_count by 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>object</code></em> :</span></p></td>
<td>a <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> -derived object.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a reference on the <em class="parameter"><code>object</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.30</p>
</div>
<hr>
<div class="refsect2">
<a name="na-object-object-unref"></a><h3>na_object_object_unref ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> na_object_object_unref (<em class="parameter"><code><a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);</pre>
<p>
Recursively unref the <em class="parameter"><code>object</code></em> and all its children, decrementing their
reference_count by 1.
</p>
<p>
Note that we may want to free a copy+ref of a list of items whichy have
had already disposed (which is probably a bug somewhere). So first test
is the object is still alive.
</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>object</code></em> :</span></p></td>
<td>a <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> -derived object.</td>
</tr></tbody>
</table></div>
<p class="since">Since 2.30</p>
</div>
<hr>
<div class="refsect2">
<a name="na-object-object-dump"></a><h3>na_object_object_dump ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> na_object_object_dump (<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);</pre>
<p>
Dumps via <a href="http://library.gnome.org/devel/glib/unstable/glib-Message-Logging.html#g-debug"><code class="function">g_debug()</code></a> the actual content of the object.
</p>
<p>
The recursivity is dealt with here because, if we would let
<a class="link" href="NAObjectItem.html" title="NAObjectItem"><span class="type">NAObjectItem</span></a> do this, the dump of <a class="link" href="NAObjectItem.html" title="NAObjectItem"><span class="type">NAObjectItem</span></a> -derived object
would be splitted, children being inserted inside.
</p>
<p>
<a class="link" href="nautilus-actions-API.html#na-object-dump" title="na_object_dump()"><code class="function">na_object_dump()</code></a> doesn't modify the reference count of the dumped
object.
</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>object</code></em> :</span></p></td>
<td>the <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> -derived object to be dumped.</td>
</tr></tbody>
</table></div>
<p class="since">Since 2.30</p>
</div>
<hr>
<div class="refsect2">
<a name="na-object-object-dump-norec"></a><h3>na_object_object_dump_norec ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> na_object_object_dump_norec (<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);</pre>
<p>
Dumps via g_debug the actual content of the object.
</p>
<p>
This function is not recursive.
</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>object</code></em> :</span></p></td>
<td>the <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> -derived object to be dumped.</td>
</tr></tbody>
</table></div>
<p class="since">Since 2.30</p>
</div>
<hr>
<div class="refsect2">
<a name="na-object-object-dump-tree"></a><h3>na_object_object_dump_tree ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> na_object_object_dump_tree (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> *tree</code></em>);</pre>
<p>
Outputs a brief, hierarchical dump of the provided list.
</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>tree</code></em> :</span></p></td>
<td>a hierarchical list of <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> -derived objects.</td>
</tr></tbody>
</table></div>
<p class="since">Since 2.30</p>
</div>
<hr>
<div class="refsect2">
<a name="na-object-object-check-status-rec"></a><h3>na_object_object_check_status_rec ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> na_object_object_check_status_rec (<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);</pre>
<p>
Recursively checks for the edition status of <em class="parameter"><code>object</code></em> and its children
(if any).
</p>
<p>
Internally set some properties which may be requested later. This
two-steps check-request let us optimize some work in the UI.
</p>
<p>
</p>
<div class="literallayout"><p><br>
na_object_object_check_status_rec( object )<br>
+- na_iduplicable_check_status( object )<br>
+- get_origin( object )<br>
+- modified_status = v_are_equal( origin, object )<br>
| +-> interface <em class="structfield"><code>NAObjectClass::are_equal</code></em><br>
| which happens to be iduplicable_are_equal( a, b )<br>
| +- v_are_equal( a, b )<br>
| +- NAObjectAction::<code class="function">are_equal()</code><br>
| +- <code class="function">na_factory_object_are_equal()</code><br>
| +- check NAObjectActionPrivate data<br>
| +- call parent class<br>
| +- NAObjectItem::<code class="function">are_equal()</code><br>
| +- check NAObjectItemPrivate data<br>
| +- call parent class<br>
| +- NAObjectId::<code class="function">are_equal()</code><br>
|<br>
+- valid_status = v_is_valid( object ) -> interface <em class="structfield"><code>NAObjectClass::is_valid</code></em><br>
</p></div>
<p>
</p>
<p>
Note that the recursivity is managed here, so that we can be sure
that edition status of children is actually checked before those of
the parent.
</p>
<p>
</p>
<p><b>
As of 3.1.0:
. </b>
</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem"><p>
when the modification status of a NAObjectProfile changes, then its
NAObjectAction parent is rechecked;
</p></li>
<li class="listitem"><p>
when the validity status of an object is changed, then its parent is
also rechecked.
</p></li>
</ul></div>
<p>
</p>
<p>
</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>object</code></em> :</span></p></td>
<td>the <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> -derived object to be checked.</td>
</tr></tbody>
</table></div>
<p class="since">Since 2.30</p>
</div>
<hr>
<div class="refsect2">
<a name="na-object-get-hierarchy"></a><h3>na_object_get_hierarchy ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * na_object_get_hierarchy (<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">na_object_get_hierarchy</code> is deprecated and should not be used in newly-written code. 3.1</p>
</div>
<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>object</code></em> :</span></p></td>
<td>the <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> -derived object.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the class hierarchy,
from the topmost base class, to the most-derived one.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.30</p>
</div>
<hr>
<div class="refsect2">
<a name="na-object-free-hierarchy"></a><h3>na_object_free_hierarchy ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> na_object_free_hierarchy (<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> *hierarchy</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">na_object_free_hierarchy</code> is deprecated and should not be used in newly-written code. 3.1</p>
</div>
<p>
Releases the <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> hierarchy.
</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>hierarchy</code></em> :</span></p></td>
<td>the <a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> of hierarchy, as returned from
<a class="link" href="NAObject.html#na-object-get-hierarchy" title="na_object_get_hierarchy ()"><code class="function">na_object_get_hierarchy()</code></a>.</td>
</tr></tbody>
</table></div>
<p class="since">Since 2.30</p>
</div>
<hr>
<div class="refsect2">
<a name="na-object-object-debug-invalid"></a><h3>na_object_object_debug_invalid ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> na_object_object_debug_invalid (<em class="parameter"><code>const <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> *object</code></em>,
<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *reason</code></em>);</pre>
<p>
Dump the object with the invalidity reason.
</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>object</code></em> :</span></p></td>
<td>the <a class="link" href="NAObject.html" title="NAObject"><span class="type">NAObject</span></a> -derived object which is invalid.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>reason</code></em> :</span></p></td>
<td>the reason.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.30</p>
</div>
</div>
</div>
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