CompiledClassMetadataCacheWarmer.php

<?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\Serializer\CacheWarmer;

use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface;
use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactoryCompiler;
use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactoryInterface;

/**
 * @author Fabien Bourigault <bourigaultfabien@gmail.com>
 */
final class CompiledClassMetadataCacheWarmer implements CacheWarmerInterface {
    public function __construct(array $classesToCompile, ClassMetadataFactoryInterface $classMetadataFactory, ClassMetadataFactoryCompiler $classMetadataFactoryCompiler, Filesystem $filesystem) {
    }
    public function warmUp(string $cacheDir, ?string $buildDir = null) : array {
        $metadatas = [];
        foreach ($this->classesToCompile as $classToCompile) {
            $metadatas[] = $this->classMetadataFactory
                ->getMetadataFor($classToCompile);
        }
        $code = $this->classMetadataFactoryCompiler
            ->compile($metadatas);
        $this->filesystem
            ->dumpFile("{$cacheDir}/serializer.class.metadata.php", $code);
        return [];
    }
    public function isOptional() : bool {
        return true;
    }

}