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Commit528cbda

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[DependencyInjection] Update syntax for#[AutowireLocator] and add#[AutowireIterator]
1 parent148ab69 commit528cbda

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2 files changed

+38
-15
lines changed

2 files changed

+38
-15
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‎reference/attributes.rst‎

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@@ -38,6 +38,7 @@ Dependency Injection
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*:ref:`Autowire<autowire-attribute>`
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*:ref:`AutowireCallable<autowiring_closures>`
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*:doc:`AutowireDecorated</service_container/service_decoration>`
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*:doc:`AutowireIterator<service-locator_autowire-iterator>`
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*:ref:`AutowireLocator<service-locator_autowire-locator>`
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*:ref:`AutowireServiceClosure<autowiring_closures>`
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*:ref:`Exclude<service-psr4-loader>`

‎service_container/service_subscribers_locators.rst‎

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@@ -298,9 +298,10 @@ This is done by having ``getSubscribedServices()`` return an array of
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The above example requires using ``3.2`` version or newer of ``symfony/service-contracts``.
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.. _service-locator_autowire-locator:
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.. _service-locator_autowire-iterator:
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The AutowireLocatorattribute
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The AutowireLocatorand AutowireIterator Attributes
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Another way to define a service locator is to use the
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:class:`Symfony\\Component\\DependencyInjection\\Attribute\\AutowireLocator`
@@ -317,26 +318,31 @@ attribute::
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class CommandBus
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{
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public function __construct(
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#[AutowireLocator(FooHandler::class, BarHandler::class)]
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private ContainerInterface $locator,
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#[AutowireLocator([
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FooHandler::class,
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BarHandler::class,
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])]
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private ContainerInterface $handlers,
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) {
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}
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public function handle(Command $command): mixed
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{
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$commandClass = get_class($command);
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if ($this->locator->has($commandClass)) {
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$handler = $this->locator->get($commandClass);
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if ($this->handlers->has($commandClass)) {
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$handler = $this->handlers->get($commandClass);
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return $handler->handle($command);
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}
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}
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}
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Just like with the ``getSubscribedServices()`` method, it is possible
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to define aliased services thanks to named arguments, as well as optional
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services::
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to define aliased services thanks to the array keys, as well as optional
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services, plus you can nest it with
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:class:`Symfony\\Contracts\\Service\\Attribute\\SubscribedService`
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attribute::
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// src/CommandBus.php
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namespace App;
@@ -345,23 +351,25 @@ services::
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use App\CommandHandler\BazHandler;
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use App\CommandHandler\FooHandler;
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use Psr\Container\ContainerInterface;
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use Symfony\Component\DependencyInjection\Attribute\Autowire;
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use Symfony\Component\DependencyInjection\Attribute\AutowireLocator;
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use Symfony\Contracts\Service\Attribute\SubscribedService;
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class CommandBus
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{
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public function __construct(
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#[AutowireLocator(
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fooHandlerAlias: FooHandler::class,
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barHandlerAlias: BarHandler::class,
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optionalBazHandlerAlias:'?'.BazHandler::class
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)]
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private ContainerInterface $locator,
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#[AutowireLocator([
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'foo' => FooHandler::class,
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'bar' => new SubscribedService(type: 'string', attributes: new Autowire('%some.parameter%')),
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'optionalBaz' =>'?'.BazHandler::class,
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])]
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private ContainerInterface $handlers,
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) {
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}
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public function handle(Command $command): mixed
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{
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$fooHandler = $this->locator->get('fooHandlerAlias');
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$fooHandler = $this->handlers->get('foo');
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// ...
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}
@@ -373,6 +381,20 @@ services::
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:class:`Symfony\\Component\\DependencyInjection\\Attribute\\AutowireLocator`
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attribute was introduced in Symfony 6.4.
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..note::
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To receive an iterable instead of a service locator, you can switch the
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:class:`Symfony\\Component\\DependencyInjection\\Attribute\\AutowireLocator`
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attribute to
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:class:`Symfony\\Component\\DependencyInjection\\Attribute\\AutowireIterator`
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attribute.
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..versionadded::6.4
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The
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:class:`Symfony\\Component\\DependencyInjection\\Attribute\\AutowireIterator`
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attribute was introduced in Symfony 6.4.
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.. _service-subscribers-locators_defining-service-locator:
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Defining a Service Locator

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