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<?php |
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namespace DI\Definition\Source; |
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use DI\Definition\AutowireDefinition; |
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use DI\Definition\Definition; |
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use DI\Definition\ObjectDefinition; |
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/** |
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* Decorator that caches another definition source. |
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* |
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* @author Matthieu Napoli <[email protected]> |
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*/ |
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class SourceCache implements DefinitionSource, MutableDefinitionSource |
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{ |
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/** |
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* @var string |
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*/ |
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const CACHE_KEY = 'php-di.definitions.'; |
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/** |
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* @var DefinitionSource |
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*/ |
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private $cachedSource; |
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public function __construct(DefinitionSource $cachedSource) |
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{ |
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$this->cachedSource = $cachedSource; |
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} |
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public function getDefinition(string $name) |
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{ |
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$definition = apcu_fetch(self::CACHE_KEY . $name); |
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if ($definition === false) { |
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$definition = $this->cachedSource->getDefinition($name); |
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// Update the cache |
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if ($this->shouldBeCached($definition)) { |
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apcu_store(self::CACHE_KEY . $name, $definition); |
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} |
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} |
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return $definition; |
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} |
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/** |
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* Used only for the compilation so we can skip the cache safely. |
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*/ |
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public function getDefinitions() : array |
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{ |
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return $this->cachedSource->getDefinitions(); |
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} |
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public static function isSupported() : bool |
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{ |
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return function_exists('apcu_fetch') |
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&& ini_get('apc.enabled') |
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&& ! ('cli' === PHP_SAPI && ! ini_get('apc.enable_cli')); |
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} |
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public function addDefinition(Definition $definition) |
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{ |
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throw new \LogicException('You cannot set a definition at runtime on a container that has caching enabled. Doing so would risk caching the definition for the next execution, where it might be different. You can either put your definitions in a file, remove the cache or ->set() a raw value directly (PHP object, string, int, ...) instead of a PHP-DI definition.'); |
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} |
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private function shouldBeCached(Definition $definition = null) : bool |
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{ |
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return |
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// Cache missing definitions |
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($definition === null) |
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// Object definitions are used with `make()` |
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|| ($definition instanceof ObjectDefinition) |
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// Autowired definitions cannot be all compiled and are used with `make()` |
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|| ($definition instanceof AutowireDefinition); |
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} |
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} |
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PHP-DI /
PHP-DI
