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<?php |
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namespace PhpUnitGen\Container; |
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use PhpUnitGen\Exception\ContainerException; |
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use PhpUnitGen\Exception\NotFoundException; |
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use Psr\Container\ContainerInterface; |
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/** |
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* Class Container. |
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* |
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* @author Paul Thébaud <[email protected]>. |
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* @copyright 2017-2018 Paul Thébaud <[email protected]>. |
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* @license https://opensource.org/licenses/MIT The MIT license. |
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* @link https://github.com/paul-thebaud/phpunit-generator |
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* @since Class available since Release 2.0.0. |
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*/ |
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class Container implements ContainerInterface |
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{ |
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/** |
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* @var callable[] $registry All key => resolver. |
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*/ |
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private $registry = []; |
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/** |
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* @var object[] $instances All already created object instances. |
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*/ |
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private $instances = []; |
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/** |
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* Save a new key => resolver. |
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* |
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* @param string $key A key to retrieve the $resolver and the instance. |
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* @param callable $resolver A resolver which return an object instance. |
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*/ |
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public function setResolver(string $key, callable $resolver): void |
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{ |
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$this->registry[$key] = $resolver; |
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} |
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/** |
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* Save a new instance immediately. |
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* |
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* @param string $key A key to retrieve the instance. |
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* @param object $instance An object instance to save. |
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*/ |
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public function setInstance(string $key, object $instance): void |
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{ |
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$this->instances[$key] = $instance; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($id): object |
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{ |
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if (! is_string($id)) { |
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throw new ContainerException('Given identifier to container is not a string.'); |
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} |
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if (isset($this->instances[$id])) { |
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return $this->instances[$id]; |
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} |
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if (isset($this->registry[$id])) { |
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return $this->instances[$id] = $this->registry[$id]($this); |
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} |
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throw new NotFoundException(sprintf('Identifier "%s" not found in the container.', $id)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($id): bool |
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{ |
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if (! is_string($id)) { |
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return false; |
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} |
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if (isset($this->instances[$id])) { |
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return true; |
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} |
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if (isset($this->registry[$id])) { |
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return true; |
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} |
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return false; |
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} |
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} |
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paul-thebaud /
phpunit-generator
