Ray\Compiler\CachedInjectorFactory

Complexity

Total Complexity

7

Size/Duplication

Total Lines	54
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	7

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	getInstance()	0	15	2
A	getInjector()	0	9	2
A	getCache()	0	8	2

<?php

declare(strict_types=1);

namespace Ray\Compiler;

use Doctrine\Common\Cache\CacheProvider;
use Ray\Di\AbstractModule;
use Ray\Di\InjectorInterface;
use Symfony\Component\Cache\Adapter\ApcuAdapter;
use Symfony\Component\Cache\Adapter\ChainAdapter;
use Symfony\Component\Cache\Adapter\DoctrineAdapter;
use Symfony\Component\Cache\Adapter\PhpFilesAdapter;
use Symfony\Contracts\Cache\CacheInterface;

final class CachedInjectorFactory
{
    /** @var array<string, InjectorInterface> */
    private static $injectors = [];

    private const KEY_INJECTOR = 'injector';

    private function __construct()
    {
    }

    /**
     * @param callable(): AbstractModule $modules
     * @param array<class-string>        $savedSingletons

The doc-type array<class-string> could not be parsed: Unknown type name "class-string" at position 6. (view supported doc-types)

     */
    public static function getInstance(string $injectorId, string $scriptDir, callable $modules, ?CacheProvider $cache = null, array $savedSingletons = []): InjectorInterface
    {
        if (isset(self::$injectors[$injectorId])) {
            return self::$injectors[$injectorId];
        }

        $cache = self::getCache($injectorId, $cache);

        return $cache->get(self::KEY_INJECTOR, static function () use ($injectorId, $modules, $scriptDir, $savedSingletons) {
            $injector = self::getInjector($modules, $scriptDir, $savedSingletons);
            self::$injectors[$injectorId] = $injector;

            return $injector;
        });
    }

    /**
     * @param callable(): AbstractModule $modules
     * @param array<class-string>        $savedSingletons

The doc-type array<class-string> could not be parsed: Unknown type name "class-string" at position 6. (view supported doc-types)

     */
    private static function getInjector(callable $modules, string $scriptDir, array $savedSingletons): InjectorInterface
    {
        $injector = InjectorFactory::getInstance($modules, $scriptDir);
        foreach ($savedSingletons as $singleton) {
            $injector->getInstance($singleton);
        }

        return $injector;
    }

    private static function getCache(string $injectorId, ?CacheProvider $cache): CacheInterface
    {
        if ($cache instanceof CacheProvider) {
            return new DoctrineAdapter($cache);
        }

        return new ChainAdapter([new ApcuAdapter($injectorId), new PhpFilesAdapter($injectorId)]);
    }
}