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<?php |
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namespace GeminiLabs\Pollux; |
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use GeminiLabs\Pollux\Application; |
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use RuntimeException; |
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abstract class Facade |
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{ |
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/** |
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* The application instance being facaded. |
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* |
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* @var Application |
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*/ |
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protected static $app; |
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/** |
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* The resolved object instances. |
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* |
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* @var array |
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*/ |
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protected static $resolvedInstance; |
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/** |
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* Handle dynamic, static calls to the object. |
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* |
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* @param string $method |
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* @param array $args |
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* |
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* @return mixed |
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* @throws \RuntimeException |
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*/ |
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public static function __callStatic( $method, $args ) |
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{ |
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$instance = static::getFacadeRoot(); |
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if( !$instance ) { |
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throw new RuntimeException( 'A facade root has not been set.' ); |
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} |
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return $instance->$method( ...$args ); |
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} |
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/** |
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* Clear all of the resolved instances. |
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* |
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* @return void |
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*/ |
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public static function clearResolvedInstances() |
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{ |
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static::$resolvedInstance = []; |
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} |
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/** |
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* Get the application instance behind the facade. |
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* |
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* @return Application |
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*/ |
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public static function getFacadeApplication() |
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{ |
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return static::$app; |
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} |
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/** |
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* Get the root object behind the facade. |
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* |
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* @return mixed |
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*/ |
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public static function getFacadeRoot() |
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{ |
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return static::resolveFacadeInstance( static::getFacadeAccessor() ); |
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} |
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/** |
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* Set the application instance. |
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* |
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* @return void |
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*/ |
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public static function setFacadeApplication( Application $app ) |
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{ |
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static::$app = $app; |
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} |
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/** |
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* Get the registered name of the component. |
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* |
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* @return string |
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* |
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* @throws \RuntimeException |
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*/ |
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protected static function getFacadeAccessor() |
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{ |
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throw new RuntimeException( 'Facade does not implement getFacadeAccessor method.' ); |
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} |
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/** |
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* Resolve the facade root instance from the container. |
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* |
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* @param string|object $name |
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* |
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* @return mixed |
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*/ |
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protected static function resolveFacadeInstance( $name ) |
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{ |
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if( is_object( $name )) { |
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return $name; |
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} |
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if( isset( static::$resolvedInstance[$name] )) { |
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return static::$resolvedInstance[$name]; |
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} |
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return static::$resolvedInstance[$name] = static::$app->make( $name ); |
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} |
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} |
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pryley /
pollux
