diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/HttpKernel/CacheWarmer/CacheWarmerAggregate.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/HttpKernel/CacheWarmer/CacheWarmerAggregate.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,72 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\CacheWarmer;
+
+/**
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class CacheWarmerAggregate implements CacheWarmerInterface
+{
+    protected $warmers;
+    protected $optionalsEnabled;
+
+    public function __construct(array $warmers = array())
+    {
+        $this->setWarmers($warmers);
+        $this->optionalsEnabled = false;
+    }
+
+    public function enableOptionalWarmers()
+    {
+        $this->optionalsEnabled = true;
+    }
+
+    /**
+     * Warms up the cache.
+     *
+     * @param string $cacheDir The cache directory
+     */
+    public function warmUp($cacheDir)
+    {
+        foreach ($this->warmers as $warmer) {
+            if (!$this->optionalsEnabled && $warmer->isOptional()) {
+                continue;
+            }
+
+            $warmer->warmUp($cacheDir);
+        }
+    }
+
+    /**
+     * Checks whether this warmer is optional or not.
+     *
+     * @return Boolean always true
+     */
+    public function isOptional()
+    {
+        return false;
+    }
+
+    public function setWarmers(array $warmers)
+    {
+        $this->warmers = array();
+        foreach ($warmers as $warmer) {
+            $this->add($warmer);
+        }
+    }
+
+    public function add(CacheWarmerInterface $warmer)
+    {
+        $this->warmers[] = $warmer;
+    }
+}