8000 [DependencyInjection] Add as decorator and inner service by Jean-Beru · Pull Request #16746 · symfony/symfony-docs · GitHub
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[DependencyInjection] Add as decorator and inner service #16746

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Apr 26, 2022
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[DependencyInjection] Add as decorator and inner service #16746

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[DependencyInjection] Add as decorator and inner service
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@Jean-Beru @javiereguiluz
Jean-Beru authored and javiereguiluz committed Apr 26, 2022
commit 555f7f35a3cd6f377f433d60328f88f24430c138
87 changes: 87 additions & 0 deletions service_container/service_decoration.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -62,6 +62,20 @@ but keeps a reference of the old one as ``.inner``:

.. configuration-block::

.. code-block:: php-attributes

// src/DecoratingMailer.php
namespace App;

// ...
use Symfony\Component\DependencyInjection\Attribute\AsDecorator;

#[AsDecorator(decorates: Mailer::class)]
class DecoratingMailer
{
// ...
}

.. code-block:: yaml

# config/services.yaml
Expand Down Expand Up @@ -125,6 +139,28 @@ automatically changed to ``'.inner'``):

.. configuration-block::

.. code-block:: php-attributes

// src/DecoratingMailer.php
namespace App;

// ...
use Symfony\Component\DependencyInjection\Attribute\AsDecorator;
use Symfony\Component\DependencyInjection\Attribute\MapDecorated;

#[AsDecorator(decorates: Mailer::class)]
class DecoratingMailer
{
private $inner;

public function __construct(#[MapDecorated] $inner)
{
$this->inner = $inner;
}

// ...
}

.. code-block:: yaml

# config/services.yaml
Expand Down Expand Up @@ -249,6 +285,37 @@ the ``decoration_priority`` option. Its value is an integer that defaults to

.. configuration-block::

.. code-block:: php-attributes

// ...
use Symfony\Component\DependencyInjection\Attribute\AsDecorator;
use Symfony\Component\DependencyInjection\Attribute\MapDecorated;

#[AsDecorator(decorates: Foo::class, priority: 5)]
class Bar
{
private $inner;

public function __construct(#[MapDecorated] $inner)
{
$this->inner = $inner;
}
// ...
}

#[AsDecorator(decorates: Foo::class, priority: 1)]
class Baz
{
private $inner;

public function __construct(#[MapDecorated] $inner)
{
$this->inner = $inner;
}

// ...
}

.. code-block:: yaml

# config/services.yaml
Expand Down Expand Up @@ -324,6 +391,26 @@ Three different behaviors are available:

.. configuration-block::

.. code-block:: php-attributes

// ...
use Symfony\Component\DependencyInjection\Attribute\AsDecorator;
use Symfony\Component\DependencyInjection\Attribute\MapDecorated;
use Symfony\Component\DependencyInjection\ContainerInterface;

#[AsDecorator(decorates: Mailer::class, onInvalid: ContainerInterface::IGNORE_ON_INVALID_REFERENCE)]
class Bar
{
private $inner;

public function __construct(#[MapDecorated] $inner)
{
$this->inner = $inner;
}

// ...
}

.. code-block:: yaml

# config/services.yaml
Expand Down
0