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vendor/symfony/validator/Mapping/Cache/CacheInterface.php

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+<?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\Validator\Mapping\Cache;
+
+use Symfony\Component\Validator\Mapping\ClassMetadata;
+
+/**
+ * Persists ClassMetadata instances in a cache.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+interface CacheInterface
+{
+    /**
+     * Returns whether metadata for the given class exists in the cache.
+     *
+     * @param string $class
+     */
+    public function has($class);
+
+    /**
+     * Returns the metadata for the given class from the cache.
+     *
+     * @param string $class Class Name
+     *
+     * @return ClassMetadata|false A ClassMetadata instance or false on miss
+     */
+    public function read($class);
+
+    /**
+     * Stores a class metadata in the cache.
+     */
+    public function write(ClassMetadata $metadata);
+}

vendor/symfony/validator/Mapping/Cache/DoctrineCache.php

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+<?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\Validator\Mapping\Cache;
+
+use Doctrine\Common\Cache\Cache;
+use Symfony\Component\Validator\Mapping\ClassMetadata;
+
+/**
+ * Adapts a Doctrine cache to a CacheInterface.
+ *
+ * @author Florian Voutzinos <florian@voutzinos.com>
+ */
+final class DoctrineCache implements CacheInterface
+{
+    private $cache;
+
+    public function __construct(Cache $cache)
+    {
+        $this->cache = $cache;
+    }
+
+    public function setCache(Cache $cache)
+    {
+        $this->cache = $cache;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function has($class)
+    {
+        return $this->cache->contains($class);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($class)
+    {
+        return $this->cache->fetch($class);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function write(ClassMetadata $metadata)
+    {
+        $this->cache->save($metadata->getClassName(), $metadata);
+    }
+}

vendor/symfony/validator/Mapping/Cache/Psr6Cache.php

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+<?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\Validator\Mapping\Cache;
+
+use Psr\Cache\CacheItemPoolInterface;
+use Symfony\Component\Validator\Mapping\ClassMetadata;
+
+/**
+ * PSR-6 adapter.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+class Psr6Cache implements CacheInterface
+{
+    private $cacheItemPool;
+
+    public function __construct(CacheItemPoolInterface $cacheItemPool)
+    {
+        $this->cacheItemPool = $cacheItemPool;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function has($class)
+    {
+        return $this->cacheItemPool->hasItem($this->escapeClassName($class));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($class)
+    {
+        $item = $this->cacheItemPool->getItem($this->escapeClassName($class));
+
+        if (!$item->isHit()) {
+            return false;
+        }
+
+        return $item->get();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function write(ClassMetadata $metadata)
+    {
+        $item = $this->cacheItemPool->getItem($this->escapeClassName($metadata->getClassName()));
+        $item->set($metadata);
+
+        $this->cacheItemPool->save($item);
+    }
+
+    /**
+     * Replaces backslashes by dots in a class name.
+     *
+     * @param string $class
+     *
+     * @return string
+     */
+    private function escapeClassName($class)
+    {
+        return str_replace('\\', '.', $class);
+    }
+}