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<?php |
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/* |
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* This file is part of the Lug package. |
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* |
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* (c) Eric GELOEN <[email protected]> |
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* |
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* For the full copyright and license information, please read the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Lug\Bundle\RegistryBundle\Model; |
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use Lug\Bundle\RegistryBundle\Exception\LazyServiceAlreadyExistsException; |
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use Lug\Bundle\RegistryBundle\Exception\LazyServiceNotFoundException; |
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use Lug\Component\Registry\Model\RegistryInterface; |
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use Symfony\Component\DependencyInjection\ContainerInterface; |
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/** |
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* @author GeLo <[email protected]> |
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*/ |
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class LazyRegistry implements LazyRegistryInterface |
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{ |
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/** |
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* @var ContainerInterface |
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*/ |
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private $container; |
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/** |
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* @var RegistryInterface |
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*/ |
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private $registry; |
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/** |
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* @var string[] |
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*/ |
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private $services = []; |
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/** |
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* @param ContainerInterface $container |
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* @param RegistryInterface $registry |
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* @param string[] $services |
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*/ |
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public function __construct(ContainerInterface $container, RegistryInterface $registry, array $services = []) |
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{ |
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$this->container = $container; |
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$this->registry = $registry; |
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foreach ($services as $type => $service) { |
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$this->setLazy($type, $service); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasLazy($type) |
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{ |
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return array_key_exists($type, $this->services) && $this->container->has($this->services[$type]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getLazy($type) |
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{ |
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if (!$this->hasLazy($type)) { |
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throw new LazyServiceNotFoundException(sprintf('The lazy service "%s" could not be found.', $type)); |
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} |
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return $this->services[$type]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setLazy($type, $service) |
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{ |
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if ($this->hasLazy($type)) { |
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throw new LazyServiceAlreadyExistsException(sprintf('The lazy service "%s" already exists.', $type)); |
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} |
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$this->services[$type] = $service; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function removeLazy($type) |
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{ |
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if (!$this->hasLazy($type)) { |
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throw new LazyServiceNotFoundException(sprintf('The lazy service "%s" could not be found.', $type)); |
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} |
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unset($this->services[$type]); |
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if (isset($this->registry[$type])) { |
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unset($this->registry[$type]); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetExists($offset) |
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{ |
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return $this->hasLazy($offset) || isset($this->registry[$offset]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetGet($offset) |
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{ |
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$this->lazyLoad($offset); |
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return $this->registry[$offset]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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if ($this->hasLazy($offset)) { |
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$this->lazyLoad($offset); |
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} |
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$this->registry[$offset] = $value; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetUnset($offset) |
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{ |
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if ($this->hasLazy($offset)) { |
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$this->lazyLoad($offset); |
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} |
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unset($this->registry[$offset]); |
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if ($this->hasLazy($offset)) { |
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$this->removeLazy($offset); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function count() |
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{ |
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$this->load(); |
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return count($this->registry); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator() |
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{ |
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$this->load(); |
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return $this->registry->getIterator(); |
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} |
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private function load() |
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{ |
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foreach (array_keys($this->services) as $type) { |
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$this->lazyLoad($type); |
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} |
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} |
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/** |
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* @param string $type |
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*/ |
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private function lazyLoad($type) |
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{ |
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if (!isset($this->registry[$type])) { |
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$this->registry[$type] = $this->container->get($this->getLazy($type)); |
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} |
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} |
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} |
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php-lug /
lug
