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<?php
namespace Spiechu\LazyPimple\Factory;
use ProxyManager\Factory\LazyLoadingValueHolderFactory;
use ProxyManager\Proxy\VirtualProxyInterface;
class LazyServiceFactory
{
/**
* @var LazyLoadingValueHolderFactory
*/
protected $lazyLoadingFactory;
* @param LazyLoadingValueHolderFactory $lazyLoadingFactory
public function __construct(LazyLoadingValueHolderFactory $lazyLoadingFactory)
$this->lazyLoadingFactory = $lazyLoadingFactory;
}
* @param string $className
* @param callable $definition
*
* @throws \InvalidArgumentException When $definition callable doesn't return $className instance
* @return VirtualProxyInterface
public function getLazyServiceDefinition(string $className, callable $definition): VirtualProxyInterface
return $this->lazyLoadingFactory->createProxy(
$className,
// this fancy method signature is required by lazy loading factory
function (&$wrappedObject, $proxy, $method, $parameters, &$initializer) use ($className, $definition) {
$wrappedObject = $definition();
$initializer = null;
// extra defensive programming in action
if (!$wrappedObject instanceof $className) {
throw new \InvalidArgumentException(sprintf(
'Object "%s" is not instance of "%s"',
\is_object($wrappedObject) ? \get_class($wrappedObject) : \gettype($wrappedObject),
$className
));
return true;
);
spiechu /
lazy-pimple
