Container::alias() - Code Metrics - Inspection of "refactor: extract DependencyTreeAnalyzer to reduce..." - gacela-project/container - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — main (8d1023)

by Chema

created 2025-11-08 17:59 UTC

Container::alias() A

↳ Parent: Container

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

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

<?php

declare(strict_types=1);

namespace Gacela\Container;

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

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);
    }

    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);
    }
}


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 get_class;
11		use function is_array;
12		use function is_object;
13		use function is_string;
14
15		class Container implements ContainerInterface
16		{
17		private AliasRegistry $aliasRegistry;
18
19		private FactoryManager $factoryManager;
20
21		private InstanceRegistry $instanceRegistry;
22
23		private DependencyCacheManager $cacheManager;
24
25		private BindingResolver $bindingResolver;
26
27		private DependencyTreeAnalyzer $dependencyTreeAnalyzer;
28
29		/**
30		* @param array<class-string, class-string\|callable\|object> $bindings
31		* @param array<string, list<Closure>> $instancesToExtend
32		*/
33	61	public function __construct(
34		array $bindings = [],
35		array $instancesToExtend = [],
36		) {
37	61	$this->aliasRegistry = new AliasRegistry();
38	61	$this->factoryManager = new FactoryManager($instancesToExtend);
39	61	$this->instanceRegistry = new InstanceRegistry();
40	61	$this->bindingResolver = new BindingResolver($bindings);
41	61	$this->cacheManager = new DependencyCacheManager($bindings);
42	61	$this->dependencyTreeAnalyzer = new DependencyTreeAnalyzer($this->bindingResolver);
43		}
44
45		/**
46		* @param class-string $className
47		*/
48	7	public static function create(string $className): mixed
49		{
50	7	return (new self())->get($className);
51		}
52
53	50	public function has(string $id): bool
54		{
55	50	$id = $this->aliasRegistry->resolve($id);
56	50	return $this->instanceRegistry->has($id);
57		}
58
59	27	public function set(string $id, mixed $instance): void
60		{
61	27	$this->instanceRegistry->set($id, $instance);
62
63	27	if ($this->factoryManager->isCurrentlyExtending($id)) {
64	3	return;
65		}
66
67	27	$this->extendService($id);
68		}
69
70		/**
71		* @param class-string\|string $id
72		*/
73	44	public function get(string $id): mixed
74		{
75	44	$id = $this->aliasRegistry->resolve($id);
76
77	44	if ($this->has($id)) {
78	20	return $this->instanceRegistry->get($id, $this->factoryManager, $this);
79		}
80
81	24	return $this->createInstance($id);
82		}
83
84	5	public function resolve(callable $callable): mixed
85		{
86	5	$callableKey = $this->callableKey($callable);
87	5	$closure = Closure::fromCallable($callable);
88
89	5	$dependencies = $this->cacheManager->resolveCallableDependencies($callableKey, $closure);
90
91		/** @psalm-suppress MixedMethodCall */
92	5	return $closure(...$dependencies);
93		}
94
95	4	public function factory(Closure $instance): Closure
96		{
97	4	$this->factoryManager->markAsFactory($instance);
98
99	4	return $instance;
100		}
101
102	2	public function remove(string $id): void
103		{
104	2	$id = $this->aliasRegistry->resolve($id);
105	2	$this->instanceRegistry->remove($id);
106		}
107
108	4	public function alias(string $alias, string $id): void
109		{
110	4	$this->aliasRegistry->add($alias, $id);
111		}
112
113		/**
114		* @param class-string $className
115		*
116		* @return list<string>
117		*/
118	4	public function getDependencyTree(string $className): array
119		{
120	4	return $this->dependencyTreeAnalyzer->analyze($className);
121		}
122
123		/**
124		* @psalm-suppress MixedAssignment
125		*/
126	12	public function extend(string $id, Closure $instance): Closure
127		{
128	12	$id = $this->aliasRegistry->resolve($id);
129
130	12	if (!$this->has($id)) {
131	4	$this->factoryManager->scheduleExtension($id, $instance);
132
133	4	return $instance;
134		}
135
136	11	if ($this->instanceRegistry->isFrozen($id)) {
137	4	throw ContainerException::frozenInstanceExtend($id);
138		}
139
140	9	$factory = $this->instanceRegistry->getRaw($id);
141
142	9	if ($this->factoryManager->isProtected($factory)) {
143	1	throw ContainerException::instanceProtected($id);
144		}
145
146	8	$extended = $this->factoryManager->generateExtendedInstance($instance, $factory, $this);
147	7	$this->set($id, $extended);
148
149	7	$this->factoryManager->transferFactoryStatus($factory, $extended);
150
151	7	return $extended;
152		}
153
154	2	public function protect(Closure $instance): Closure
155		{
156	2	$this->factoryManager->markAsProtected($instance);
157
158	2	return $instance;
159		}
160
161		/**
162		* @return list<string>
163		*/
164	1	public function getRegisteredServices(): array
165		{
166	1	return $this->instanceRegistry->getAll();
167		}
168
169	2	public function isFactory(string $id): bool
170		{
171	2	$id = $this->aliasRegistry->resolve($id);
172
173	2	if (!$this->has($id)) {
174	1	return false;
175		}
176
177	2	return $this->factoryManager->isFactory($this->instanceRegistry->getRaw($id));
178		}
179
180	2	public function isFrozen(string $id): bool
181		{
182	2	$id = $this->aliasRegistry->resolve($id);
183	2	return $this->instanceRegistry->isFrozen($id);
184		}
185
186		/**
187		* @return array<class-string, class-string\|callable\|object>
188		*/
189	1	public function getBindings(): array
190		{
191	1	return $this->bindingResolver->getBindings();
192		}
193
194		/**
195		* @param list<class-string> $classNames
196		*/
197	2	public function warmUp(array $classNames): void
198		{
199	2	$this->cacheManager->warmUp($classNames);
200		}
201
202	24	private function createInstance(string $class): ?object
203		{
204	24	return $this->bindingResolver->resolve($class, $this->cacheManager);
205		}
206
207		/**
208		* Generates a unique string key for a given callable.
209		*
210		* @psalm-suppress MixedReturnTypeCoercion
211		*/
212	5	private function callableKey(callable $callable): string
213		{
214	5	if (is_array($callable)) {
215		[$classOrObject, $method] = $callable;
216
217		$className = is_object($classOrObject)
218		? get_class($classOrObject) . '#' . spl_object_id($classOrObject)
219		: $classOrObject;
220
221		return $className . '::' . $method;
222		}
223
224	5	if (is_string($callable)) {
225		return $callable;
226		}
227
228	5	if ($callable instanceof Closure) {
229	5	return spl_object_hash($callable);
230		}
231
232		// Invokable objects
233		/** @psalm-suppress RedundantCondition */
234		if (is_object($callable)) {
235		return get_class($callable) . '#' . spl_object_id($callable);
236		}
237
238		// Fallback for edge cases
239		/** @psalm-suppress MixedArgument */
240		return 'callable:' . md5(serialize($callable));
241		}
242
243	27	private function extendService(string $id): void
244		{
245	27	if (!$this->factoryManager->hasPendingExtensions($id)) {
246	24	return;
247		}
248
249	3	$this->factoryManager->setCurrentlyExtending($id);
250
251	3	foreach ($this->factoryManager->getPendingExtensions($id) as $instance) {
252	3	$this->extend($id, $instance);
253		}
254
255	3	$this->factoryManager->clearPendingExtensions($id);
256	3	$this->factoryManager->setCurrentlyExtending(null);
257		}
258		}
259

gacela-project / container

Branch — main (8d1023)

Container::alias() A

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