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129 lines (115 loc) · 3.71 KB
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<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 57c7669a1f5336cb17413e0b46540c52c77ee84f Maintainer: Fan2Shrek Status: ready -->
<!-- Reviewed: yes -->
<reference xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude" xml:id="class.parallel-future" role="class">
<title>La classe parallel\Future</title>
<titleabbrev>parallel\Future</titleabbrev>
<partintro>
<section>
<title>Futures</title>
<simpara>
Un Future représente la valeur de retour ou l'exception non attrapée d'une tâche, et expose une API pour l'annulation.
</simpara>
<example>
<title>Exemple montrant Future comme valeur de retour</title>
<programlisting role="php">
<![CDATA[
<?php
$runtime = new \parallel\Runtime;
$future = $runtime->run(function(){
return "World";
});
printf("Hello %s\n", $future->value());
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
Hello World
]]>
</screen>
</example>
<simpara>
Le comportement d'un Future permet également de l'utiliser comme un simple point de synchronisation même si la tâche ne retourne pas explicitement de valeur.
</simpara>
<example>
<title>Exemple montrant Future comme point de synchronisation</title>
<programlisting role="php">
<![CDATA[
<?php
$runtime = new \parallel\Runtime;
$future = $runtime->run(function(){
echo "dans l'enfant ";
for ($i = 0; $i < 500; $i++) {
if ($i % 10 == 0) {
echo ".";
}
}
echo " sortie de l'enfant";
});
$future->value();
echo "\nle parent continue\n";
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
dans l'enfant .................................................. sortie de l'enfant
le parent continue
]]>
</screen>
</example>
</section>
<section xml:id="parallel-future.synopsis">
&reftitle.classsynopsis;
<!-- {{{ Synopsis -->
<classsynopsis>
<ooclass><classname>parallel\Future</classname></ooclass>
<!-- {{{ Class synopsis -->
<classsynopsisinfo>
<ooclass>
<modifier>final</modifier>
<classname>parallel\Future</classname>
</ooclass>
</classsynopsisinfo>
<!-- }}} -->
<classsynopsisinfo role="comment">Résolution</classsynopsisinfo>
<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.parallel-future')/db:refentry/db:refsect1[@audience='resolution']/descendant::db:methodsynopsis[not(@role='procedural')])">
<xi:fallback/>
</xi:include>
<classsynopsisinfo role="comment">États</classsynopsisinfo>
<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.parallel-future')/db:refentry/db:refsect1[@audience='state']/descendant::db:methodsynopsis[not(@role='procedural')])">
<xi:fallback/>
</xi:include>
<classsynopsisinfo role="comment">Annulation</classsynopsisinfo>
<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.parallel-future')/db:refentry/db:refsect1[@audience='cancellation']/descendant::db:methodsynopsis[not(@role='procedural')])">
<xi:fallback/>
</xi:include>
</classsynopsis>
<!-- }}} -->
</section>
</partintro>
&reference.parallel.parallel.entities.future;
</reference>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->