InterfaceType - Code Metrics - 4rthem/graphql-mapper - Measure and Improve Code Quality continuously with Scrutinizer

InterfaceType A
last analyzed 2017-08-16 07:59 UTC

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Complexity

Total Complexity

Size/Duplication

Total Lines	57
Duplicated Lines	0 %

Coupling/Cohesion

Components	2
Dependencies	1

Importance

Changes

Metric	Value
wmc	5
lcom	2
cbo	1
dl	0
loc	57
c	0
b	0
f	0
rs	10

4 Methods

Rating	Name	Size	Complexity
A	setResolveType()	6	1
A	setChildClass()	6	1
A	getChildrenClassMapping()	4	1
A	toMapping()	10	2

<?php

namespace Arthem\GraphQLMapper\Mapping;

class InterfaceType extends FieldContainer
{
    /**
     * @var callable
     */
    private $resolveType;

    /**
     * @var array
     */
    private $childrenClassMapping = [];

    /**
     * @param callable $resolveType
     * @return $this
     */
    public function setResolveType($resolveType)
    {
        $this->resolveType = $resolveType;

        return $this;
    }

    /**
     * @param string $typeName
     * @param string $className
     * @return $this
     */
    public function setChildClass($typeName, $className)
    {
        $this->childrenClassMapping[$className] = $typeName;

        return $this;
    }

    /**
     * @return array
     */
    public function getChildrenClassMapping()
    {
        return $this->childrenClassMapping;
    }

    /**
     * {@inheritdoc}
     */
    public function toMapping()
    {
        $mapping = parent::toMapping();

        if (null !== $this->resolveType) {
            $mapping['resolveType'] = $this->resolveType;
        }

        return $mapping;
class Author {
    private $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName() {
        return $this->name;
    }
}

abstract class Post {
    public function getAuthor() {
        return 'Johannes';
    }
}

class BlogPost extends Post {
    public function getAuthor() {
        return new Author('Johannes');
    }
}

class ForumPost extends Post { /* ... */ }

function my_function(Post $post) {
    echo strtoupper($post->getAuthor());
}
    }
}


1			<?php
2
3			namespace Arthem\GraphQLMapper\Mapping;
4
5			class InterfaceType extends FieldContainer
6			{
7			/**
8			* @var callable
9			*/
10			private $resolveType;
11
12			/**
13			* @var array
14			*/
15			private $childrenClassMapping = [];
16
17			/**
18			* @param callable $resolveType
19			* @return $this
20			*/
21			public function setResolveType($resolveType)
22			{
23			$this->resolveType = $resolveType;
24
25			return $this;
26			}
27
28			/**
29			* @param string $typeName
30			* @param string $className
31			* @return $this
32			*/
33			public function setChildClass($typeName, $className)
34			{
35			$this->childrenClassMapping[$className] = $typeName;
36
37			return $this;
38			}
39
40			/**
41			* @return array
42			*/
43			public function getChildrenClassMapping()
44			{
45			return $this->childrenClassMapping;
46			}
47
48			/**
49			* {@inheritdoc}
50			*/
51			public function toMapping()
52			{
53			$mapping = parent::toMapping();
54
55			if (null !== $this->resolveType) {
56			$mapping['resolveType'] = $this->resolveType;
57			}
58
59			return $mapping;
			0 ignored issues – show Bug Best Practice introduced 2016-05-20 19:03 UTC by Report Bug Copy Issue Report The return type of `return $mapping;` (`array<string,callable>`) is incompatible with the return type of the parent method `Arthem\GraphQLMapper\Map...eldContainer::toMapping` of type `array<string,array\|string>`. If you return a value from a function or method, it should be a sub-type of the type that is given by the parent type f.e. an interface, or abstract method. This is more formally defined by the Lizkov substitution principle, and guarantees that classes that depend on the parent type can use any instance of a child type interchangably. This principle also belongs to the SOLID principles for object oriented design. Let’s take a look at an example: class Author { private $name; public function __construct($name) { $this->name = $name; } public function getName() { return $this->name; } } abstract class Post { public function getAuthor() { return 'Johannes'; } } class BlogPost extends Post { public function getAuthor() { return new Author('Johannes'); } } class ForumPost extends Post { /* ... */ } function my_function(Post $post) { echo strtoupper($post->getAuthor()); } Our function `my_function` expects a `Post` object, and outputs the author of the post. The base class `Post` returns a simple string and outputting a simple string will work just fine. However, the child class `BlogPost` which is a sub-type of `Post` instead decided to return an `object`, and is therefore violating the SOLID principles. If a `BlogPost` were passed to `my_function`, PHP would not complain, but ultimately fail when executing the `strtoupper` call in its body. Loading history...
60			}
61			}
62

4rthem / graphql-mapper

InterfaceType A last analyzed 2017-08-16 07:59 UTC

Complexity

Size/Duplication

Coupling/Cohesion

Importance

4 Methods

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InterfaceType A
last analyzed 2017-08-16 07:59 UTC