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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Factory; |
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use Psr\Container\ContainerInterface; |
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use Yiisoft\Factory\Definition\ArrayDefinition; |
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use Yiisoft\Factory\Definition\DefinitionInterface; |
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use Yiisoft\Factory\Definition\Normalizer; |
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use Yiisoft\Factory\Definition\DefinitionValidator; |
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use Yiisoft\Factory\Exception\InvalidConfigException; |
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use Yiisoft\Factory\Exception\NotInstantiableException; |
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use Yiisoft\Injector\Injector; |
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class Factory implements FactoryInterface |
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{ |
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/** |
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* @var ContainerInterface|null Parent container. |
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*/ |
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private ?ContainerInterface $container = null; |
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/** |
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* @var mixed[] Definitions |
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* @psalm-var array<string, mixed> |
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*/ |
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private array $definitions = []; |
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/** |
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* @var DefinitionInterface[] object definitions indexed by their types |
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* @psalm-var array<string, DefinitionInterface> |
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*/ |
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private array $definitionInstances = []; |
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/** |
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* @var bool $validate Validate definitions when set |
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*/ |
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private bool $validate; |
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/** |
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* Factory constructor. |
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* |
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* @psalm-param array<string, mixed> $definitions |
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* |
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* @throws InvalidConfigException |
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* @throws NotInstantiableException |
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*/ |
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public function __construct( |
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ContainerInterface $container = null, |
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array $definitions = [], |
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bool $validate = true |
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) { |
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$this->container = $container; |
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$this->validate = $validate; |
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$this->setDefaultDefinitions(); |
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$this->setMultiple($definitions); |
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} |
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public function create($config, array $constructorArguments = []) |
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{ |
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if ($this->validate) { |
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DefinitionValidator::validate($config); |
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} |
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$definition = Normalizer::normalize($config); |
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if ($definition instanceof ArrayDefinition) { |
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if (!empty($constructorArguments)) { |
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$definition->mergeConstructorArguments($constructorArguments); |
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} |
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if ($this->has($definition->getClass())) { |
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$definition = $this->merge( |
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$this->getDefinition($definition->getClass()), |
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$definition |
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); |
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} |
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} |
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if ($definition instanceof ArrayDefinition) { |
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return $definition->resolve($this->container ?? $this); |
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} |
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return $definition->resolve($this); |
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} |
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private function merge(DefinitionInterface $one, ArrayDefinition $two): DefinitionInterface |
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{ |
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return $one instanceof ArrayDefinition ? $one->merge($two) : $two; |
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} |
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/** |
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* @param string $id |
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* |
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* @throws NotInstantiableException |
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* |
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* @return mixed|object |
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*/ |
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public function get($id) |
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{ |
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try { |
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$definition = $this->getDefinition($id); |
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} catch (InvalidConfigException $e) { |
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throw new NotInstantiableException($id); |
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} |
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if ($definition instanceof ArrayDefinition) { |
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return $definition->resolve($this->container ?? $this); |
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} |
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return $definition->resolve($this); |
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} |
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/** |
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* @throws InvalidConfigException |
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*/ |
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public function getDefinition(string $id): DefinitionInterface |
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{ |
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if (!isset($this->definitionInstances[$id])) { |
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if (isset($this->definitions[$id])) { |
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$this->definitionInstances[$id] = Normalizer::normalize($this->definitions[$id], $id); |
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} else { |
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/** @psalm-var class-string $id */ |
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$this->definitionInstances[$id] = ArrayDefinition::fromPreparedData($id); |
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} |
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} |
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return $this->definitionInstances[$id]; |
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} |
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/** |
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* Sets a definition to the factory. |
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* |
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* @param mixed $definition |
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* |
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* @throws InvalidConfigException |
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*/ |
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public function set(string $id, $definition): void |
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{ |
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if ($this->validate) { |
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DefinitionValidator::validate($definition, $id); |
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} |
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$this->definitions[$id] = $definition; |
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} |
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/** |
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* Sets multiple definitions at once. |
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* |
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* @param array $definitions definitions indexed by their ids |
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* |
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* @psalm-param array<string, mixed> $definitions |
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* |
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* @throws InvalidConfigException |
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*/ |
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public function setMultiple(array $definitions): void |
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{ |
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/** @var mixed $definition */ |
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foreach ($definitions as $id => $definition) { |
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$this->set($id, $definition); |
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} |
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} |
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/** |
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* Returns a value indicating whether the container has the definition of the specified name. |
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* |
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* @param string $id class name, interface name or alias name |
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* |
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* @return bool whether the container is able to provide instance of class specified. |
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* |
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* @see set() |
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*/ |
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public function has($id): bool |
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{ |
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return isset($this->definitions[$id]); |
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} |
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private function setDefaultDefinitions(): void |
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{ |
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/** @var ContainerInterface */ |
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$container = $this->container ?? $this; |
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$this->setMultiple([ |
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ContainerInterface::class => $container, |
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Injector::class => new Injector($container), |
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]); |
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} |
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} |
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yiisoft /
factory
