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<?php |
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|
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namespace Stripe\Service; |
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|
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/** |
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* Abstract base class for all service factories used to expose service |
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* instances through {@link \Stripe\StripeClient}. |
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* |
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* Service factories serve two purposes: |
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* |
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* 1. Expose properties for all services through the `__get()` magic method. |
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* 2. Lazily initialize each service instance the first time the property for |
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* a given service is used. |
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*/ |
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abstract class AbstractServiceFactory |
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{ |
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/** @var \Stripe\StripeClientInterface */ |
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private $client; |
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|
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/** @var array<string, AbstractService|AbstractServiceFactory> */ |
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private $services; |
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|
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/** |
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* @param \Stripe\StripeClientInterface $client |
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*/ |
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public function __construct($client) |
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{ |
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$this->client = $client; |
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$this->services = []; |
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} |
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|
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/** |
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* @param string $name |
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* |
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* @return null|string |
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*/ |
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abstract protected function getServiceClass($name); |
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|
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/** |
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* @param string $name |
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* |
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* @return null|AbstractService|AbstractServiceFactory |
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*/ |
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public function __get($name) |
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{ |
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$serviceClass = $this->getServiceClass($name); |
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if (null !== $serviceClass) { |
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if (!\array_key_exists($name, $this->services)) { |
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$this->services[$name] = new $serviceClass($this->client); |
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} |
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|
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return $this->services[$name]; |
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} |
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|
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\trigger_error('Undefined property: ' . static::class . '::$' . $name); |
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|
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return null; |
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} |
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} |
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|
