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<?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;
use Symfony\Component\DependencyInjection\Exception\BadMethodCallException;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
use Symfony\Component\DependencyInjection\Exception\OutOfBoundsException;
/**
* This definition extends another definition.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class ChildDefinition extends Definition
{
private $parent;
/**
* @param string $parent The id of Definition instance to decorate
*/
public function __construct(string $parent)
{
$this->parent = $parent;
$this->setPrivate(false);
}
/**
* Returns the Definition to inherit from.
*
* @return string
*/
public function getParent()
{
return $this->parent;
}
/**
* Sets the Definition to inherit from.
*
* @param string $parent
*
* @return $this
*/
public function setParent($parent)
{
$this->parent = $parent;
return $this;
}
/**
* Gets an argument to pass to the service constructor/factory method.
*
* If replaceArgument() has been used to replace an argument, this method
* will return the replacement value.
*
* @param int|string $index
*
* @return mixed The argument value
*
* @throws OutOfBoundsException When the argument does not exist
*/
public function getArgument($index)
{
if (\array_key_exists('index_'.$index, $this->arguments)) {
return $this->arguments['index_'.$index];
}
return parent::getArgument($index);
}
/**
* You should always use this method when overwriting existing arguments
* of the parent definition.
*
* If you directly call setArguments() keep in mind that you must follow
* certain conventions when you want to overwrite the arguments of the
* parent definition, otherwise your arguments will only be appended.
*
* @param int|string $index
* @param mixed $value
*
* @return $this
*
* @throws InvalidArgumentException when $index isn't an integer
*/
public function replaceArgument($index, $value)
{
if (\is_int($index)) {
$this->arguments['index_'.$index] = $value;
} elseif (str_starts_with($index, '$')) {
$this->arguments[$index] = $value;
} else {
throw new InvalidArgumentException('The argument must be an existing index or the name of a constructor\'s parameter.');
}
return $this;
}
/**
* @internal
*/
public function setAutoconfigured($autoconfigured): self
{
throw new BadMethodCallException('A ChildDefinition cannot be autoconfigured.');
}
/**
* @internal
*/
public function setInstanceofConditionals(array $instanceof): self
{
throw new BadMethodCallException('A ChildDefinition cannot have instanceof conditionals set on it.');
}
}
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