<?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\DependencyInjection\ParameterBag;

/**

 *

 * @author Fabien Potencier <fabien@symfony.com>

 *

 * @api

 */

class FrozenParameterBag extends ParameterBag

{

    /**

     * Constructor.

     *

     * For performance reasons, the constructor assumes that

     * all keys are already lowercased.

     *

     * This is always the case when used internally.

     *

     * @param array $parameters An array of parameters

     *

     * @api

     */

    public function __construct(array $parameters = array())

    {

        $this->parameters = $parameters;

        $this->resolved = true;

    }

    /**

     * {@inheritDoc}

     *

     * @api

     */

    public function clear()

    {

        throw new \LogicException('Impossible to call clear() on a frozen ParameterBag.');

    }

    /**

     * {@inheritDoc}

     *

     * @api

     */

    public function add(array $parameters)

    {

        throw new \LogicException('Impossible to call add() on a frozen ParameterBag.');

    }

    /**

     * {@inheritDoc}

     *

     * @api

     */

    public function set($name, $value)

    {

        throw new \LogicException('Impossible to call set() on a frozen ParameterBag.');

    }

}