Container::factory() - Code Metrics - Inspection of "Merge pull request #19 from gacela-project/feat/mo..." - gacela-project/container - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — main ( 8d1023...74092d )

by Chema

created 2025-11-08 20:06 UTC

Container::factory() A

↳ Parent: Container

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
eloc	2
c	0
b	0
f	0
dl	0
loc	5
rs	10
ccs	3
cts	3
cp	1
cc	1
nc	1
nop	1
crap	1

<?php

declare(strict_types=1);

namespace Gacela\Container;

use Closure;
use Gacela\Container\Exception\ContainerException;

use function count;
use function get_class;
use function is_array;
use function is_object;
use function is_string;

class Container implements ContainerInterface
{
    private AliasRegistry $aliasRegistry;

    private FactoryManager $factoryManager;

    private InstanceRegistry $instanceRegistry;

    private DependencyCacheManager $cacheManager;

    private BindingResolver $bindingResolver;

    private DependencyTreeAnalyzer $dependencyTreeAnalyzer;

    /**
     * @param  array<class-string, class-string|callable|object>  $bindings
     * @param  array<string, list<Closure>>  $instancesToExtend
     */
    public function __construct(
        array $bindings = [],
        array $instancesToExtend = [],
    ) {
        $this->aliasRegistry = new AliasRegistry();
        $this->factoryManager = new FactoryManager($instancesToExtend);
        $this->instanceRegistry = new InstanceRegistry();
        $this->bindingResolver = new BindingResolver($bindings);
        $this->cacheManager = new DependencyCacheManager($bindings);
        $this->dependencyTreeAnalyzer = new DependencyTreeAnalyzer($this->bindingResolver);
    }

    /**
     * @param  class-string  $className
     */
    public static function create(string $className): mixed
    {
        return (new self())->get($className);
    }

    public function has(string $id): bool
    {
        $id = $this->aliasRegistry->resolve($id);
        return $this->instanceRegistry->has($id);
    }

    public function set(string $id, mixed $instance): void
    {
        $this->instanceRegistry->set($id, $instance);

        if ($this->factoryManager->isCurrentlyExtending($id)) {
            return;
        }

        $this->extendService($id);
    }

    /**
     * @param  class-string|string  $id
     */
    public function get(string $id): mixed
    {
        $id = $this->aliasRegistry->resolve($id);

        if ($this->has($id)) {
            return $this->instanceRegistry->get($id, $this->factoryManager, $this);
        }

        return $this->createInstance($id);
    }

    public function resolve(callable $callable): mixed
    {
        $callableKey = $this->callableKey($callable);
        $closure = Closure::fromCallable($callable);

        $dependencies = $this->cacheManager->resolveCallableDependencies($callableKey, $closure);

        /** @psalm-suppress MixedMethodCall */
        return $closure(...$dependencies);
    }

    public function factory(Closure $instance): Closure
    {
        $this->factoryManager->markAsFactory($instance);

        return $instance;
    }

    public function remove(string $id): void
    {
        $id = $this->aliasRegistry->resolve($id);
        $this->instanceRegistry->remove($id);
    }

    public function alias(string $alias, string $id): void
    {
        $this->aliasRegistry->add($alias, $id);
    }

    /**
     * @param class-string $className
     *
     * @return list<string>
     */
    public function getDependencyTree(string $className): array
    {
        return $this->dependencyTreeAnalyzer->analyze($className);
    }

    /**
     * @psalm-suppress MixedAssignment
     */
    public function extend(string $id, Closure $instance): Closure
    {
        $id = $this->aliasRegistry->resolve($id);

        if (!$this->has($id)) {
            $this->factoryManager->scheduleExtension($id, $instance);

            return $instance;
        }

        if ($this->instanceRegistry->isFrozen($id)) {
            throw ContainerException::frozenInstanceExtend($id);
        }

        $factory = $this->instanceRegistry->getRaw($id);

        if ($this->factoryManager->isProtected($factory)) {
            throw ContainerException::instanceProtected($id);
        }

        $extended = $this->factoryManager->generateExtendedInstance($instance, $factory, $this);
        $this->set($id, $extended);

        $this->factoryManager->transferFactoryStatus($factory, $extended);

        return $extended;
    }

    public function protect(Closure $instance): Closure
    {
        $this->factoryManager->markAsProtected($instance);

        return $instance;
    }

    /**
     * @return list<string>
     */
    public function getRegisteredServices(): array
    {
        return $this->instanceRegistry->getAll();
    }

    public function isFactory(string $id): bool
    {
        $id = $this->aliasRegistry->resolve($id);

        if (!$this->has($id)) {
            return false;
        }

        return $this->factoryManager->isFactory($this->instanceRegistry->getRaw($id));
    }

    public function isFrozen(string $id): bool
    {
        $id = $this->aliasRegistry->resolve($id);
        return $this->instanceRegistry->isFrozen($id);
    }

    /**
     * @return array<class-string, class-string|callable|object>
     */
    public function getBindings(): array
    {
        return $this->bindingResolver->getBindings();
    }

    /**
     * @param list<class-string> $classNames
     */
    public function warmUp(array $classNames): void
    {
        $this->cacheManager->warmUp($classNames);
    }

    /**
     * Get container statistics for debugging and optimization.
     *
     * @return array{
     *     registered_services: int,
     *     frozen_services: int,
     *     factory_services: int,
     *     bindings: int,
     *     cached_dependencies: int,
     *     memory_usage: string
     * }
     */
    public function getStats(): array
    {
        $services = $this->getRegisteredServices();
        $frozenCount = 0;
        $factoryCount = 0;

        foreach ($services as $serviceId) {
            if ($this->isFrozen($serviceId)) {
                ++$frozenCount;
            }
            if ($this->isFactory($serviceId)) {
                ++$factoryCount;
            }
        }

        return [
            'registered_services' => count($services),
            'frozen_services' => $frozenCount,
            'factory_services' => $factoryCount,
            'bindings' => count($this->getBindings()),
            'cached_dependencies' => $this->cacheManager->getCacheSize(),
            'memory_usage' => $this->formatBytes(memory_get_usage(true)),
        ];
    }

    private function createInstance(string $class): ?object
    {
        return $this->bindingResolver->resolve($class, $this->cacheManager);
    }

    /**
     * Generates a unique string key for a given callable.
     *
     * @psalm-suppress MixedReturnTypeCoercion
     */
    private function callableKey(callable $callable): string
    {
        if (is_array($callable)) {
            [$classOrObject, $method] = $callable;

            $className = is_object($classOrObject)
                ? get_class($classOrObject) . '#' . spl_object_id($classOrObject)
                : $classOrObject;

            return $className . '::' . $method;
        }

        if (is_string($callable)) {
            return $callable;
        }

        if ($callable instanceof Closure) {
            return spl_object_hash($callable);
        }

        // Invokable objects
        /** @psalm-suppress RedundantCondition */
        if (is_object($callable)) {
            return get_class($callable) . '#' . spl_object_id($callable);
        }

        // Fallback for edge cases
        /** @psalm-suppress MixedArgument */
        return 'callable:' . md5(serialize($callable));
    }

    private function extendService(string $id): void
    {
        if (!$this->factoryManager->hasPendingExtensions($id)) {
            return;
        }

        $this->factoryManager->setCurrentlyExtending($id);

        foreach ($this->factoryManager->getPendingExtensions($id) as $instance) {
            $this->extend($id, $instance);
        }

        $this->factoryManager->clearPendingExtensions($id);
        $this->factoryManager->setCurrentlyExtending(null);
    }

    /**
     * Format bytes into human-readable format.
     */
    private function formatBytes(int $bytes): string
    {
        $units = ['B', 'KB', 'MB', 'GB'];
        $bytes = max($bytes, 0);
        $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
        $pow = min($pow, count($units) - 1);

        /** @var int $powInt */
        $powInt = (int) $pow;
        $bytes /= (1 << (10 * $powInt));

        return round($bytes, 2) . ' ' . $units[$powInt];
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Gacela\Container;
6
7		use Closure;
8		use Gacela\Container\Exception\ContainerException;
9
10		use function count;
11		use function get_class;
12		use function is_array;
13		use function is_object;
14		use function is_string;
15
16		class Container implements ContainerInterface
17		{
18		private AliasRegistry $aliasRegistry;
19
20		private FactoryManager $factoryManager;
21
22		private InstanceRegistry $instanceRegistry;
23
24		private DependencyCacheManager $cacheManager;
25
26		private BindingResolver $bindingResolver;
27
28		private DependencyTreeAnalyzer $dependencyTreeAnalyzer;
29
30		/**
31		* @param array<class-string, class-string\|callable\|object> $bindings
32		* @param array<string, list<Closure>> $instancesToExtend
33		*/
34	69	public function __construct(
35		array $bindings = [],
36		array $instancesToExtend = [],
37		) {
38	69	$this->aliasRegistry = new AliasRegistry();
39	69	$this->factoryManager = new FactoryManager($instancesToExtend);
40	69	$this->instanceRegistry = new InstanceRegistry();
41	69	$this->bindingResolver = new BindingResolver($bindings);
42	69	$this->cacheManager = new DependencyCacheManager($bindings);
43	69	$this->dependencyTreeAnalyzer = new DependencyTreeAnalyzer($this->bindingResolver);
44		}
45
46		/**
47		* @param class-string $className
48		*/
49	7	public static function create(string $className): mixed
50		{
51	7	return (new self())->get($className);
52		}
53
54	54	public function has(string $id): bool
55		{
56	54	$id = $this->aliasRegistry->resolve($id);
57	54	return $this->instanceRegistry->has($id);
58		}
59
60	31	public function set(string $id, mixed $instance): void
61		{
62	31	$this->instanceRegistry->set($id, $instance);
63
64	31	if ($this->factoryManager->isCurrentlyExtending($id)) {
65	3	return;
66		}
67
68	31	$this->extendService($id);
69		}
70
71		/**
72		* @param class-string\|string $id
73		*/
74	45	public function get(string $id): mixed
75		{
76	45	$id = $this->aliasRegistry->resolve($id);
77
78	45	if ($this->has($id)) {
79	21	return $this->instanceRegistry->get($id, $this->factoryManager, $this);
80		}
81
82	24	return $this->createInstance($id);
83		}
84
85	5	public function resolve(callable $callable): mixed
86		{
87	5	$callableKey = $this->callableKey($callable);
88	5	$closure = Closure::fromCallable($callable);
89
90	5	$dependencies = $this->cacheManager->resolveCallableDependencies($callableKey, $closure);
91
92		/** @psalm-suppress MixedMethodCall */
93	5	return $closure(...$dependencies);
94		}
95
96	5	public function factory(Closure $instance): Closure
97		{
98	5	$this->factoryManager->markAsFactory($instance);
99
100	5	return $instance;
101		}
102
103	3	public function remove(string $id): void
104		{
105	3	$id = $this->aliasRegistry->resolve($id);
106	3	$this->instanceRegistry->remove($id);
107		}
108
109	4	public function alias(string $alias, string $id): void
110		{
111	4	$this->aliasRegistry->add($alias, $id);
112		}
113
114		/**
115		* @param class-string $className
116		*
117		* @return list<string>
118		*/
119	4	public function getDependencyTree(string $className): array
120		{
121	4	return $this->dependencyTreeAnalyzer->analyze($className);
122		}
123
124		/**
125		* @psalm-suppress MixedAssignment
126		*/
127	12	public function extend(string $id, Closure $instance): Closure
128		{
129	12	$id = $this->aliasRegistry->resolve($id);
130
131	12	if (!$this->has($id)) {
132	4	$this->factoryManager->scheduleExtension($id, $instance);
133
134	4	return $instance;
135		}
136
137	11	if ($this->instanceRegistry->isFrozen($id)) {
138	4	throw ContainerException::frozenInstanceExtend($id);
139		}
140
141	9	$factory = $this->instanceRegistry->getRaw($id);
142
143	9	if ($this->factoryManager->isProtected($factory)) {
144	1	throw ContainerException::instanceProtected($id);
145		}
146
147	8	$extended = $this->factoryManager->generateExtendedInstance($instance, $factory, $this);
148	7	$this->set($id, $extended);
149
150	7	$this->factoryManager->transferFactoryStatus($factory, $extended);
151
152	7	return $extended;
153		}
154
155	2	public function protect(Closure $instance): Closure
156		{
157	2	$this->factoryManager->markAsProtected($instance);
158
159	2	return $instance;
160		}
161
162		/**
163		* @return list<string>
164		*/
165	9	public function getRegisteredServices(): array
166		{
167	9	return $this->instanceRegistry->getAll();
168		}
169
170	6	public function isFactory(string $id): bool
171		{
172	6	$id = $this->aliasRegistry->resolve($id);
173
174	6	if (!$this->has($id)) {
175	1	return false;
176		}
177
178	6	return $this->factoryManager->isFactory($this->instanceRegistry->getRaw($id));
179		}
180
181	6	public function isFrozen(string $id): bool
182		{
183	6	$id = $this->aliasRegistry->resolve($id);
184	6	return $this->instanceRegistry->isFrozen($id);
185		}
186
187		/**
188		* @return array<class-string, class-string\|callable\|object>
189		*/
190	9	public function getBindings(): array
191		{
192	9	return $this->bindingResolver->getBindings();
193		}
194
195		/**
196		* @param list<class-string> $classNames
197		*/
198	3	public function warmUp(array $classNames): void
199		{
200	3	$this->cacheManager->warmUp($classNames);
201		}
202
203		/**
204		* Get container statistics for debugging and optimization.
205		*
206		* @return array{
207		* registered_services: int,
208		* frozen_services: int,
209		* factory_services: int,
210		* bindings: int,
211		* cached_dependencies: int,
212		* memory_usage: string
213		* }
214		*/
215	8	public function getStats(): array
216		{
217	8	$services = $this->getRegisteredServices();
218	8	$frozenCount = 0;
219	8	$factoryCount = 0;
220
221	8	foreach ($services as $serviceId) {
222	4	if ($this->isFrozen($serviceId)) {
223	1	++$frozenCount;
224		}
225	4	if ($this->isFactory($serviceId)) {
226	1	++$factoryCount;
227		}
228		}
229
230	8	return [
231	8	'registered_services' => count($services),
232	8	'frozen_services' => $frozenCount,
233	8	'factory_services' => $factoryCount,
234	8	'bindings' => count($this->getBindings()),
235	8	'cached_dependencies' => $this->cacheManager->getCacheSize(),
236	8	'memory_usage' => $this->formatBytes(memory_get_usage(true)),
237	8	];
238		}
239
240	24	private function createInstance(string $class): ?object
241		{
242	24	return $this->bindingResolver->resolve($class, $this->cacheManager);
243		}
244
245		/**
246		* Generates a unique string key for a given callable.
247		*
248		* @psalm-suppress MixedReturnTypeCoercion
249		*/
250	5	private function callableKey(callable $callable): string
251		{
252	5	if (is_array($callable)) {
253		[$classOrObject, $method] = $callable;
254
255		$className = is_object($classOrObject)
256		? get_class($classOrObject) . '#' . spl_object_id($classOrObject)
257		: $classOrObject;
258
259		return $className . '::' . $method;
260		}
261
262	5	if (is_string($callable)) {
263		return $callable;
264		}
265
266	5	if ($callable instanceof Closure) {
267	5	return spl_object_hash($callable);
268		}
269
270		// Invokable objects
271		/** @psalm-suppress RedundantCondition */
272		if (is_object($callable)) {
273		return get_class($callable) . '#' . spl_object_id($callable);
274		}
275
276		// Fallback for edge cases
277		/** @psalm-suppress MixedArgument */
278		return 'callable:' . md5(serialize($callable));
279		}
280
281	31	private function extendService(string $id): void
282		{
283	31	if (!$this->factoryManager->hasPendingExtensions($id)) {
284	28	return;
285		}
286
287	3	$this->factoryManager->setCurrentlyExtending($id);
288
289	3	foreach ($this->factoryManager->getPendingExtensions($id) as $instance) {
290	3	$this->extend($id, $instance);
291		}
292
293	3	$this->factoryManager->clearPendingExtensions($id);
294	3	$this->factoryManager->setCurrentlyExtending(null);
295		}
296
297		/**
298		* Format bytes into human-readable format.
299		*/
300	8	private function formatBytes(int $bytes): string
301		{
302	8	$units = ['B', 'KB', 'MB', 'GB'];
303	8	$bytes = max($bytes, 0);
304	8	$pow = floor(($bytes ? log($bytes) : 0) / log(1024));
305	8	$pow = min($pow, count($units) - 1);
306
307		/** @var int $powInt */
308	8	$powInt = (int) $pow;
309	8	$bytes /= (1 << (10 * $powInt));
310
311	8	return round($bytes, 2) . ' ' . $units[$powInt];
312		}
313		}
314

gacela-project / container

Push — main ( 8d1023...74092d )

Container::factory() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like