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<?php
declare(strict_types=1);
namespace Gacela\Resolver;
final class InstanceCreator
{
private ?DependencyResolver $dependencyResolver = null;
/** @var array<class-string,list<mixed>> */
private array $cachedDependencies = [];
/**
* @param array<class-string,class-string|callable|object> $mappingInterfaces
*/
public function __construct(
private array $mappingInterfaces = [],
) {
}
* @param class-string $className
public static function create(string $className): ?object
return (new self())->createByClassName($className);
public function createByClassName(string $className): ?object
if (class_exists($className)) {
if (!isset($this->cachedDependencies[$className])) {
$this->cachedDependencies[$className] = $this
->getDependencyResolver()
->resolveDependencies($className);
/** @psalm-suppress MixedMethodCall */
return new $className(...$this->cachedDependencies[$className]);
return null;
private function getDependencyResolver(): DependencyResolver
if ($this->dependencyResolver === null) {
$this->dependencyResolver = new DependencyResolver(
$this->mappingInterfaces,
);
return $this->dependencyResolver;
return $this->dependencyResolver
null
Gacela\Resolver\DependencyResolver