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File Content: `LoaderChain.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\Validator\Mapping\Loader;

use Symfony\Component\Validator\Exception\MappingException;
use Symfony\Component\Validator\Mapping\ClassMetadata;

/**
 * Calls multiple LoaderInterface instances in a chain
 *
 * This class accepts multiple instances of LoaderInterface to be passed to the
 * constructor. When loadClassMetadata() is called, the same method is called
 * in <em>all</em> of these loaders, regardless of whether any of them was
 * successful or not.
 *
 * @author Bernhard Schussek <bschussek@gmail.com>
 */
class LoaderChain implements LoaderInterface
{
    protected $loaders;

    /**
     * Accepts a list of LoaderInterface instances
     *
     * @param LoaderInterface[] $loaders An array of LoaderInterface instances
     *
     * @throws MappingException If any of the loaders does not implement LoaderInterface
     */
    public function __construct(array $loaders)
    {
        foreach ($loaders as $loader) {
            if (!$loader instanceof LoaderInterface) {
                throw new MappingException(sprintf('Class %s is expected to implement LoaderInterface', get_class($loader)));
            }
        }

        $this->loaders = $loaders;
    }

    /**
     * {@inheritDoc}
     */
    public function loadClassMetadata(ClassMetadata $metadata)
    {
        $success = false;

        foreach ($this->loaders as $loader) {
            $success = $loader->loadClassMetadata($metadata) || $success;
        }

        return $success;
    }
}

Name	Size	Permission
schema	---	0755
AbstractLoader.php	1990 bytes	0644
AnnotationLoader.php	3153 bytes	0644
FileLoader.php	1023 bytes	0644
FilesLoader.php	1415 bytes	0644
LoaderChain.php	1744 bytes	0644
LoaderInterface.php	575 bytes	0644
StaticMethodLoader.php	1497 bytes	0644
XmlFileLoader.php	5937 bytes	0644
XmlFilesLoader.php	646 bytes	0644
YamlFileLoader.php	4459 bytes	0644
YamlFilesLoader.php	649 bytes	0644

File Content: LoaderChain.php

File Content: `LoaderChain.php`