Dependencies::decorate() - Code Metrics - Innmind/Compose - Measure and Improve Code Quality continuously with Scrutinizer

Dependencies::decorate() A
last analyzed 2018-08-13 05:49 UTC

↳ Parent: Dependencies

Complexity

Conditions	2
Paths	2

Size

Total Lines	11
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes

Metric	Value
cc	2
eloc	6
nc	2
nop	3
dl	0
loc	11
ccs	5
cts	5
cp	1
crap	2
rs	10
c	0
b	0
f	0

<?php
declare(strict_types = 1);

namespace Innmind\Compose;

use Innmind\Compose\{
    Definition\Dependency,
    Definition\Name,
    Definition\Service,
    Definition\Service\Argument,
    Exception\ReferenceNotFound,
    Exception\NameNotNamespaced,
    Exception\CircularDependency,
    Exception\LogicException,
    Compilation\Dependencies as CompiledDependencies
};
use Innmind\Immutable\{
    Sequence,
    MapInterface,
    Map,
    StreamInterface
};

final class Dependencies
{
    private $dependencies;

    public function __construct(Dependency ...$dependencies)
    {
        $this->dependencies = Sequence::of(...$dependencies)->reduce(
            new Map('string', Dependency::class),
            static function(Map $dependencies, Dependency $dependency): Map {
                return $dependencies->put(
                    (string) $dependency->name(),
                    $dependency
                );
            }
        );
        $this->assertNoCircularDependency();
    }

    public function feed(Name $name, Services $services): self
    {
        $self = clone $this;
        $self->dependencies = $self->dependencies->put(
            (string) $name,
            $self->dependencies->get((string) $name)->bind($services)
        );

        return $self;
    }

    public function bind(Services $services): Services
    {
        return $this
            ->dependencies
            ->values()
            ->sort(static function(Dependency $a, Dependency $b): bool {
                return $a->dependsOn($b);
            })
            ->reduce(
                $services,
                static function(Services $services, Dependency $dependency): Services {
                    return $services->feed($dependency->name());
                }
            );
    }

    public function lazy(Name $name): Lazy
    {
        try {
            return $this
                ->get($name)
                ->lazy($name->withoutRoot());
        } catch (ReferenceNotFound $e) {
            throw new ReferenceNotFound((string) $name, 0, $e);
        }
    }

    public function build(Name $name): object
    {
        return $this->lazy($name)->load();
    }

    public function decorate(
        Name $decorator,
        Name $decorated,
        Name $newName = null
    ): Service {
        try {
            return $this
                ->get($decorator)
                ->decorate($decorator->withoutRoot(), $decorated, $newName);
        } catch (ReferenceNotFound $e) {
            throw new ReferenceNotFound((string) $decorator, 0, $e);
        }
    }

    /**
     * @param StreamInterface<mixed> $arguments
     *
     * @return StreamInterface<mixed>
     */
    public function extract(
        Name $name,
        StreamInterface $arguments,
        Argument $argument
    ): StreamInterface {
        try {
            return $this
                ->get($name)
                ->extract($name->withoutRoot(), $arguments, $argument);
        } catch (ReferenceNotFound $e) {
            throw new ReferenceNotFound((string) $name, 0, $e);
        }
    }

    private function get(Name $name): Dependency
    {
        try {
            $root = $name->root();
        } catch (NameNotNamespaced $e) {
            throw new ReferenceNotFound((string) $name);
        }

        if (!$this->dependencies->contains((string) $root)) {
            throw new ReferenceNotFound((string) $name);
        }

        return $this->dependencies->get((string) $root);
    }

    /**
     * Return the list of exposed services per dependency
     *
     * @return MapInterface<Name, MapInterface<Name, Constructor>>
     */
    public function exposed(): MapInterface
    {
        return $this->dependencies->reduce(
            new Map(Name::class, MapInterface::class),
            static function(Map $exposed, string $name, Dependency $dependency): Map {
                return $exposed->put(
                    $dependency->name(),
                    $dependency->exposed()
                );
            }
        );
    }

    public function compile(): CompiledDependencies
    {
        return new CompiledDependencies(
            ...$this
                ->dependencies
                ->values()
                ->sort(static function(Dependency $a, Dependency $b): bool {
                    return $a->dependsOn($b);
                })
        );
    }

    private function assertNoCircularDependency(): void
    {
        $this->dependencies->foreach(function(string $name, Dependency $dependency): void {
            $this
                ->dependencies
                ->remove($name)
                ->foreach(static function(string $name, Dependency $other) use ($dependency): void {
                    if (!$dependency->dependsOn($other)) {
                        return;
                    }

                    if (!$other->dependsOn($dependency)) {
                        return;
                    }

                    throw new CircularDependency(sprintf(
                        '%s -> %s -> %s',
                        $dependency->name(),
                        $other->name(),
                        $dependency->name()
                    ));
                });
        });
    }
}


1		<?php
2		declare(strict_types = 1);
3
4		namespace Innmind\Compose;
5
6		use Innmind\Compose\{
7		Definition\Dependency,
8		Definition\Name,
9		Definition\Service,
10		Definition\Service\Argument,
11		Exception\ReferenceNotFound,
12		Exception\NameNotNamespaced,
13		Exception\CircularDependency,
14		Exception\LogicException,
15		Compilation\Dependencies as CompiledDependencies
16		};
17		use Innmind\Immutable\{
18		Sequence,
19		MapInterface,
20		Map,
21		StreamInterface
22		};
23
24		final class Dependencies
25		{
26		private $dependencies;
27
28	212	public function __construct(Dependency ...$dependencies)
29		{
30	212	$this->dependencies = Sequence::of(...$dependencies)->reduce(
31	212	new Map('string', Dependency::class),
32	212	static function(Map $dependencies, Dependency $dependency): Map {
33	38	return $dependencies->put(
34	38	(string) $dependency->name(),
35	38	$dependency
36		);
37	212	}
38		);
39	212	$this->assertNoCircularDependency();
40	212	}
41
42	8	public function feed(Name $name, Services $services): self
43		{
44	8	$self = clone $this;
45	8	$self->dependencies = $self->dependencies->put(
46	8	(string) $name,
47	8	$self->dependencies->get((string) $name)->bind($services)
48		);
49
50	8	return $self;
51		}
52
53	37	public function bind(Services $services): Services
54		{
55		return $this
56	37	->dependencies
57	37	->values()
58	37	->sort(static function(Dependency $a, Dependency $b): bool {
59	1	return $a->dependsOn($b);
60	37	})
61	37	->reduce(
62	37	$services,
63	37	static function(Services $services, Dependency $dependency): Services {
64	6	return $services->feed($dependency->name());
65	37	}
66		);
67		}
68
69	31	public function lazy(Name $name): Lazy
70		{
71		try {
72		return $this
73	31	->get($name)
74	15	->lazy($name->withoutRoot());
75	24	} catch (ReferenceNotFound $e) {
76	24	throw new ReferenceNotFound((string) $name, 0, $e);
77		}
78		}
79
80	15	public function build(Name $name): object
81		{
82	15	return $this->lazy($name)->load();
83		}
84
85	13	public function decorate(
86		Name $decorator,
87		Name $decorated,
88		Name $newName = null
89		): Service {
90		try {
91		return $this
92	13	->get($decorator)
93	11	->decorate($decorator->withoutRoot(), $decorated, $newName);
94	3	} catch (ReferenceNotFound $e) {
95	3	throw new ReferenceNotFound((string) $decorator, 0, $e);
96		}
97		}
98
99		/**
100		* @param StreamInterface<mixed> $arguments
101		*
102		* @return StreamInterface<mixed>
103		*/
104	7	public function extract(
105		Name $name,
106		StreamInterface $arguments,
107		Argument $argument
108		): StreamInterface {
109		try {
110		return $this
111	7	->get($name)
112	5	->extract($name->withoutRoot(), $arguments, $argument);
113	4	} catch (ReferenceNotFound $e) {
114	4	throw new ReferenceNotFound((string) $name, 0, $e);
115		}
116		}
117
118	47	private function get(Name $name): Dependency
119		{
120		try {
121	47	$root = $name->root();
122	20	} catch (NameNotNamespaced $e) {
123	20	throw new ReferenceNotFound((string) $name);
124		}
125
126	33	if (!$this->dependencies->contains((string) $root)) {
127	7	throw new ReferenceNotFound((string) $name);
128		}
129
130	29	return $this->dependencies->get((string) $root);
131		}
132
133		/**
134		* Return the list of exposed services per dependency
135		*
136		* @return MapInterface<Name, MapInterface<Name, Constructor>>
137		*/
138	2	public function exposed(): MapInterface
139		{
140	2	return $this->dependencies->reduce(
141	2	new Map(Name::class, MapInterface::class),
142	2	static function(Map $exposed, string $name, Dependency $dependency): Map {
143	2	return $exposed->put(
144	2	$dependency->name(),
145	2	$dependency->exposed()
146		);
147	2	}
148		);
149		}
150
151	8	public function compile(): CompiledDependencies
152		{
153	8	return new CompiledDependencies(
154		...$this
155	8	->dependencies
156	8	->values()
157	8	->sort(static function(Dependency $a, Dependency $b): bool {
158		return $a->dependsOn($b);
159	8	})
160		);
161		}
162
163		private function assertNoCircularDependency(): void
164		{
165	212	$this->dependencies->foreach(function(string $name, Dependency $dependency): void {
166		$this
167	38	->dependencies
168	38	->remove($name)
169	38	->foreach(static function(string $name, Dependency $other) use ($dependency): void {
170	4	if (!$dependency->dependsOn($other)) {
171	4	return;
172		}
173
174	2	if (!$other->dependsOn($dependency)) {
175	1	return;
176		}
177
178	1	throw new CircularDependency(sprintf(
179	1	'%s -> %s -> %s',
180	1	$dependency->name(),
181	1	$other->name(),
182	1	$dependency->name()
183		));
184	38	});
185	212	});
186	212	}
187		}
188

Innmind / Compose

Dependencies::decorate() A last analyzed 2018-08-13 05:49 UTC

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Dependencies::decorate() A
last analyzed 2018-08-13 05:49 UTC