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    2 => 'Valide la r&eacute;ception d\'un message',
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?>
<div id="stomp.ack" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Stomp::ack</h1>
  <h1 class="refname">stomp_ack</h1>
  <p class="verinfo">(PECL stomp &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">Stomp::ack</span> -- <span class="refname">stomp_ack</span> &mdash; <span class="dc-title">Valide la réception d&#039;un message</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-stomp.ack-description">
  <h3 class="title">Description</h3>
  <p class="simpara">Style orienté objet (méthode) :</p>
   <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Stomp::ack</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$msg</code></span>, <span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$headers</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="simpara">Style procédural :</p>
  <div class="methodsynopsis dc-description"><span class="methodname"><strong>stomp_ack</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span> <code class="parameter">$link</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$msg</code></span>, <span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$headers</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="simpara">
   Valide la réception d&#039;un message par une souscription.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-stomp.ack-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <dl>
   <dt><code class="parameter">link</code></dt><dd><p class="para">Style procédural uniquement : L&#039;identifiant stomp retourné par la fonction<span class="function"><a href="stomp.construct.php" class="function">stomp_connect()</a></span>.</p></dd>
   
    <dt><code class="parameter">msg</code></dt>
    <dd>
     <span class="simpara">
      Le message où l&#039;identifiant du message à valider.
     </span>
    </dd>
   
   <dt><code class="parameter">headers</code></dt><dd><p class="para">Tableau associatif contenant les en-têtes additionnels (exemple : receipt).</p></dd>
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-stomp.ack-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="simpara">
   Cette fonction retourne <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> en cas de succès ou <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> si une erreur survient.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-stomp.ack-examples">
  <h3 class="title">Exemples</h3>
  <div class="example" id="example-1">
   <p><strong>Exemple #1 Style orienté objet</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />$queue  </span><span style="color: #007700">= </span><span style="color: #DD0000">'/queue/foo'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$msg    </span><span style="color: #007700">= </span><span style="color: #DD0000">'bar'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">/* connexion */<br /></span><span style="color: #007700">try {<br />    </span><span style="color: #0000BB">$stomp </span><span style="color: #007700">= new </span><span style="color: #0000BB">Stomp</span><span style="color: #007700">(</span><span style="color: #DD0000">'tcp://localhost:61613'</span><span style="color: #007700">);<br />} catch(</span><span style="color: #0000BB">StompException $e</span><span style="color: #007700">) {<br />    die(</span><span style="color: #DD0000">'Connection failed: ' </span><span style="color: #007700">. </span><span style="color: #0000BB">$e</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getMessage</span><span style="color: #007700">());<br />}<br /><br /></span><span style="color: #FF8000">/* envoi d'un message à la file 'foo' */<br /></span><span style="color: #0000BB">$stomp</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">send</span><span style="color: #007700">(</span><span style="color: #0000BB">$queue</span><span style="color: #007700">, </span><span style="color: #0000BB">$msg</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* souscription aux messages de la file 'foo' */<br /></span><span style="color: #0000BB">$stomp</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">subscribe</span><span style="color: #007700">(</span><span style="color: #0000BB">$queue</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* lecture d'un message */<br /></span><span style="color: #0000BB">$frame </span><span style="color: #007700">= </span><span style="color: #0000BB">$stomp</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">readFrame</span><span style="color: #007700">();<br /><br />if (</span><span style="color: #0000BB">$frame</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">body </span><span style="color: #007700">=== </span><span style="color: #0000BB">$msg</span><span style="color: #007700">) {<br />    </span><span style="color: #FF8000">/* confirmation de la réception du message */<br />    </span><span style="color: #0000BB">$stomp</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">ack</span><span style="color: #007700">(</span><span style="color: #0000BB">$frame</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">/* supprime la souscription à la file 'foo' */<br /></span><span style="color: #0000BB">$stomp</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">unsubscribe</span><span style="color: #007700">(</span><span style="color: #0000BB">$queue</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* fermeture de la connexion */<br /></span><span style="color: #007700">unset(</span><span style="color: #0000BB">$stomp</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

  </div>
  <div class="example" id="example-2">
   <p><strong>Exemple #2 Style procédural</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />$queue  </span><span style="color: #007700">= </span><span style="color: #DD0000">'/queue/foo'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$msg    </span><span style="color: #007700">= </span><span style="color: #DD0000">'bar'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">/* connexion */<br /></span><span style="color: #0000BB">$link </span><span style="color: #007700">= </span><span style="color: #0000BB">stomp_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'ssl://localhost:61612'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* vérification de la connexion */<br /></span><span style="color: #007700">if (!</span><span style="color: #0000BB">$link</span><span style="color: #007700">) {<br />    die(</span><span style="color: #DD0000">'Connection failed: ' </span><span style="color: #007700">. </span><span style="color: #0000BB">stomp_connect_error</span><span style="color: #007700">());<br />}<br /><br /></span><span style="color: #FF8000">/* début de la transaction */<br /></span><span style="color: #0000BB">stomp_begin</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #DD0000">'t1'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* envoi d'un message à la file 'foo' */<br /></span><span style="color: #0000BB">stomp_send</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$queue</span><span style="color: #007700">, </span><span style="color: #0000BB">$msg</span><span style="color: #007700">, array(</span><span style="color: #DD0000">'transaction' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'t1'</span><span style="color: #007700">));<br /><br /></span><span style="color: #FF8000">/* validation de la transaction */<br /></span><span style="color: #0000BB">stomp_commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #DD0000">'t1'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* souscription aux messages de la file 'foo' */<br /></span><span style="color: #0000BB">stomp_subscribe</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$queue</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* lecture d'un message */<br /></span><span style="color: #0000BB">$frame </span><span style="color: #007700">= </span><span style="color: #0000BB">stomp_read_frame</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$frame</span><span style="color: #007700">[</span><span style="color: #DD0000">'body'</span><span style="color: #007700">] === </span><span style="color: #0000BB">$msg</span><span style="color: #007700">) {<br />    </span><span style="color: #FF8000">/* confirmation de la réception du message */<br />    </span><span style="color: #0000BB">stomp_ack</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$frame</span><span style="color: #007700">[</span><span style="color: #DD0000">'headers'</span><span style="color: #007700">][</span><span style="color: #DD0000">'message-id'</span><span style="color: #007700">]);<br />}<br /><br /></span><span style="color: #FF8000">/* supprime la souscription à la file 'foo' */<br /></span><span style="color: #0000BB">stomp_unsubscribe</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$queue</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* fermeture de la connexion */<br /></span><span style="color: #0000BB">stomp_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

  </div>
 </div>


 <div class="refsect1 notes" id="refsect1-stomp.ack-notes">
  <h3 class="title">Notes</h3>
  <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para">Un en-tête de transaction peut être spécifié, indiquant que la confirmation des messages doit faire partie de la transaction.</p></p></blockquote>
  <div class="tip"><strong class="tip">Astuce</strong><p class="simpara">Stomp est, par nature, asynchrone. Une communication synchrone peut être implémentée en ajoutant un en-tête <code class="literal">receipt</code>. Ceci fera que les méthodes ne retourneront rien tant que le message de confirmation n&#039;aura pas été reçu ou tant que le délai d&#039;attente ne sera pas atteint.</p></div>
 </div>


</div><?php manual_footer($setup); ?>