<?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;
use Symfony\Component\DependencyInjection\Exception\LogicException;
/**
* Holds read-only parameters.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class FrozenParameterBag extends ParameterBag
{
/**
* 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
*/
public function __construct(array $parameters = [])
{
$this->parameters = $parameters;
$this->resolved = true;
}
/**
* {@inheritdoc}
*/
public function clear()
{
throw new LogicException('Impossible to call clear() on a frozen ParameterBag.');
}
/**
* {@inheritdoc}
*/
public function add(array $parameters)
{
throw new LogicException('Impossible to call add() on a frozen ParameterBag.');
}
/**
* {@inheritdoc}
*/
public function set($name, $value)
{
throw new LogicException('Impossible to call set() on a frozen ParameterBag.');
}
/**
* {@inheritdoc}
*/
public function remove($name)
{
throw new LogicException('Impossible to call remove() on a frozen ParameterBag.');
}
}