<?php

/*

 * Copyright 2011 Johannes M. Schmitt <schmittjoh@gmail.com>

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

namespace JMS\SecurityExtraBundle\Metadata;

use Metadata\ClassMetadata as BaseMetadata;

/**

 * Contains class metadata information

 *

 * @author Johannes M. Schmitt <schmittjoh@gmail.com>

 */

class ClassMetadata extends BaseMetadata

{

    public function merge(ClassMetadata $metadata)

    {

        if (false === $metadata->reflection->isInterface()) {

            throw new \InvalidArgumentException('You can only merge metadata from interfaces.');

        }

        if (false === $this->reflection->implementsInterface($metadata->reflection->getName())) {

            throw new \InvalidArgumentException(sprintf('"%s" does not implement "%s".', $this->reflection->getName(), $metadata->reflection->getName()));

        }

        foreach ($metadata->methodMetadata as $name => $method) {

            if (!isset($this->methodMetadata[$name])) {

                $this->methodMetadata[$name] = new MethodMetadata($metadata->name, $name);

            }

            $this->methodMetadata[$name]->merge($method);

        }

    }

}