--- /dev/null
+<?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;
+
+/**
+ * Aggregates several cache warmers into a single one.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class CacheWarmerAggregate implements CacheWarmerInterface
+{
+ protected $warmers = array();
+ protected $optionalsEnabled = false;
+
+ public function __construct(array $warmers = array())
+ {
+ foreach ($warmers as $warmer) {
+ $this->add($warmer);
+ }
+ }
+
+ 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 bool always false
+ */
+ 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;
+ }
+}