FileDriver::getElement() - Code Metrics - Inspection of "Add types to all interfaces." - doctrine/persistence - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#50)

by Jonathan

created 2019-04-23 21:22 UTC

FileDriver::getElement() A

↳ Parent: FileDriver

Complexity

Conditions	4
Paths	6

Size

Total Lines	22
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	4.25

Importance

Changes

Metric	Value
eloc	11
dl	0
loc	22
ccs	9
cts	12
cp	0.75
rs	9.9
c	0
b	0
f	0
cc	4
nc	6
nop	1
crap	4.25

<?php

declare(strict_types=1);

namespace Doctrine\Persistence\Mapping\Driver;

use Doctrine\Persistence\Mapping\ClassMetadata;
use Doctrine\Persistence\Mapping\MappingException;
use function array_keys;
use function array_merge;
use function is_file;
use function is_string;
use function str_replace;

/**
 * Base driver for file-based metadata drivers.
 *
 * A file driver operates in a mode where it loads the mapping files of individual
 * classes on demand. This requires the user to adhere to the convention of 1 mapping
 * file per class and the file names of the mapping files must correspond to the full
 * class name, including namespace, with the namespace delimiters '\', replaced by dots '.'.
 */
abstract class FileDriver implements MappingDriver
{
    /** @var FileLocator */
    protected $locator;

    /** @var ClassMetadata[]|null */
    protected $classCache;

    /** @var string */
    protected $globalBasename = '';

    /**
     * Initializes a new FileDriver that looks in the given path(s) for mapping
     * documents and operates in the specified operating mode.
     *
     * @param string|array<int, string>|FileLocator $locator A FileLocator or one/multiple paths
     *                                                       where mapping documents can be found.
     */
    public function __construct($locator, ?string $fileExtension = null)
    {
        if ($locator instanceof FileLocator) {
            $this->locator = $locator;
        } else {
            $paths = is_string($locator) ? [$locator] : $locator;

            $this->locator = new DefaultFileLocator($paths, $fileExtension);
        }
    }

    /**
     * Sets the global basename.
     */
    public function setGlobalBasename(string $file) : void
    {
        $this->globalBasename = $file;
    }

    /**
     * Retrieves the global basename.
     */
    public function getGlobalBasename() : string
    {
        return $this->globalBasename;
    }

    /**
     * Gets the element of schema meta data for the class from the mapping file.
     * This will lazily load the mapping file if it is not loaded yet.
     *
     * @return ClassMetadata The element of schema meta data.
     *
     * @throws MappingException
     */
    public function getElement(string $className) : ClassMetadata
    {
        if ($this->classCache === null) {
            $this->initialize();
        }

        if (isset($this->classCache[$className])) {
            return $this->classCache[$className];
        }

        $result = $this->loadMappingFile($this->locator->findMappingFile($className));

        if (! isset($result[$className])) {
            throw MappingException::invalidMappingFile(
                $className,
                str_replace('\\', '.', $className) . $this->locator->getFileExtension()
            );
        }

        $this->classCache[$className] = $result[$className];

        return $result[$className];
    }

    /**
     * {@inheritDoc}
     */
    public function isTransient(string $className) : bool
    {
        if ($this->classCache === null) {
            $this->initialize();
        }

        if (isset($this->classCache[$className])) {
            return false;
        }

        return ! $this->locator->fileExists($className);
    }

    /**
     * {@inheritDoc}
     */
    public function getAllClassNames() : array
    {
        if ($this->classCache === null) {
            $this->initialize();
        }

        if ($this->classCache === []) {
            return $this->locator->getAllClassNames($this->globalBasename);
        }

        /** @var ClassMetadata[] $classCache */
        $classCache = $this->classCache;

        /** @var string[] $keys */
        $keys = array_keys($classCache);

        /** @var string[] $merged */
        $merged = array_merge(
            $keys,
            $this->locator->getAllClassNames($this->globalBasename)
        );

        return $merged;
    }

    /**
     * Loads a mapping file with the given name and returns a map
     * from class/entity names to their corresponding file driver elements.
     *
     * @param string $file The mapping file to load.
     *
     * @return ClassMetadata[]
     */
    abstract protected function loadMappingFile(string $file) : array;

    /**
     * Initializes the class cache from all the global files.
     *
     * Using this feature adds a substantial performance hit to file drivers as
     * more metadata has to be loaded into memory than might actually be
     * necessary. This may not be relevant to scenarios where caching of
     * metadata is in place, however hits very hard in scenarios where no
     * caching is used.
     */
    protected function initialize() : void
    {
        $this->classCache = [];
        if ($this->globalBasename === null) {
            return;
        }

        foreach ($this->locator->getPaths() as $path) {
            $file = $path . '/' . $this->globalBasename . $this->locator->getFileExtension();
            if (! is_file($file)) {
                continue;
            }

            $this->classCache = array_merge(
                $this->classCache,
                $this->loadMappingFile($file)
            );
        }
    }

    /**
     * Retrieves the locator used to discover mapping files by className.
     */
    public function getLocator() : FileLocator
    {
        return $this->locator;
    }

    /**
     * Sets the locator used to discover mapping files by className.
     */
    public function setLocator(FileLocator $locator) : void
    {
        $this->locator = $locator;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Doctrine\Persistence\Mapping\Driver;
6
7		use Doctrine\Persistence\Mapping\ClassMetadata;
8		use Doctrine\Persistence\Mapping\MappingException;
9		use function array_keys;
10		use function array_merge;
11		use function is_file;
12		use function is_string;
13		use function str_replace;
14
15		/**
16		* Base driver for file-based metadata drivers.
17		*
18		* A file driver operates in a mode where it loads the mapping files of individual
19		* classes on demand. This requires the user to adhere to the convention of 1 mapping
20		* file per class and the file names of the mapping files must correspond to the full
21		* class name, including namespace, with the namespace delimiters '\', replaced by dots '.'.
22		*/
23		abstract class FileDriver implements MappingDriver
24		{
25		/** @var FileLocator */
26		protected $locator;
27
28		/** @var ClassMetadata[]\|null */
29		protected $classCache;
30
31		/** @var string */
32		protected $globalBasename = '';
33
34		/**
35		* Initializes a new FileDriver that looks in the given path(s) for mapping
36		* documents and operates in the specified operating mode.
37		*
38		* @param string\|array<int, string>\|FileLocator $locator A FileLocator or one/multiple paths
39		* where mapping documents can be found.
40		*/
41	11	public function __construct($locator, ?string $fileExtension = null)
42		{
43	11	if ($locator instanceof FileLocator) {
44	8	$this->locator = $locator;
45		} else {
46	3	$paths = is_string($locator) ? [$locator] : $locator;
47
48	3	$this->locator = new DefaultFileLocator($paths, $fileExtension);
49		}
50	11	}
51
52		/**
53		* Sets the global basename.
54		*/
55	5	public function setGlobalBasename(string $file) : void
56		{
57	5	$this->globalBasename = $file;
58	5	}
59
60		/**
61		* Retrieves the global basename.
62		*/
63	1	public function getGlobalBasename() : string
64		{
65	1	return $this->globalBasename;
66		}
67
68		/**
69		* Gets the element of schema meta data for the class from the mapping file.
70		* This will lazily load the mapping file if it is not loaded yet.
71		*
72		* @return ClassMetadata The element of schema meta data.
73		*
74		* @throws MappingException
75		*/
76	3	public function getElement(string $className) : ClassMetadata
77		{
78	3	if ($this->classCache === null) {
79	3	$this->initialize();
80		}
81
82	3	if (isset($this->classCache[$className])) {
83	2	return $this->classCache[$className];
84		}
85
86	2	$result = $this->loadMappingFile($this->locator->findMappingFile($className));
87
88	2	if (! isset($result[$className])) {
89		throw MappingException::invalidMappingFile(
90		$className,
91		str_replace('\\', '.', $className) . $this->locator->getFileExtension()
92		);
93		}
94
95	2	$this->classCache[$className] = $result[$className];
96
97	2	return $result[$className];
98		}
99
100		/**
101		* {@inheritDoc}
102		*/
103	3	public function isTransient(string $className) : bool
104		{
105	3	if ($this->classCache === null) {
106	3	$this->initialize();
107		}
108
109	3	if (isset($this->classCache[$className])) {
110	1	return false;
111		}
112
113	3	return ! $this->locator->fileExists($className);
114		}
115
116		/**
117		* {@inheritDoc}
118		*/
119	3	public function getAllClassNames() : array
120		{
121	3	if ($this->classCache === null) {
122	3	$this->initialize();
123		}
124
125	3	if ($this->classCache === []) {
126	1	return $this->locator->getAllClassNames($this->globalBasename);
127		}
128
129		/** @var ClassMetadata[] $classCache */
130	2	$classCache = $this->classCache;
131
132		/** @var string[] $keys */
133	2	$keys = array_keys($classCache);
134
135		/** @var string[] $merged */
136	2	$merged = array_merge(
137	2	$keys,
138	2	$this->locator->getAllClassNames($this->globalBasename)
139		);
140
141	2	return $merged;
142		}
143
144		/**
145		* Loads a mapping file with the given name and returns a map
146		* from class/entity names to their corresponding file driver elements.
147		*
148		* @param string $file The mapping file to load.
149		*
150		* @return ClassMetadata[]
151		*/
152		abstract protected function loadMappingFile(string $file) : array;
153
154		/**
155		* Initializes the class cache from all the global files.
156		*
157		* Using this feature adds a substantial performance hit to file drivers as
158		* more metadata has to be loaded into memory than might actually be
159		* necessary. This may not be relevant to scenarios where caching of
160		* metadata is in place, however hits very hard in scenarios where no
161		* caching is used.
162		*/
163	9	protected function initialize() : void
164		{
165	9	$this->classCache = [];
166	9	if ($this->globalBasename === null) {
167		return;
168		}
169
170	9	foreach ($this->locator->getPaths() as $path) {
171	9	$file = $path . '/' . $this->globalBasename . $this->locator->getFileExtension();
172	9	if (! is_file($file)) {
173	5	continue;
174		}
175
176	4	$this->classCache = array_merge(
177	4	$this->classCache,
178	4	$this->loadMappingFile($file)
179		);
180		}
181	9	}
182
183		/**
184		* Retrieves the locator used to discover mapping files by className.
185		*/
186		public function getLocator() : FileLocator
187		{
188		return $this->locator;
189		}
190
191		/**
192		* Sets the locator used to discover mapping files by className.
193		*/
194		public function setLocator(FileLocator $locator) : void
195		{
196		$this->locator = $locator;
197		}
198		}
199

doctrine / persistence

Pull Request — master (#50)

FileDriver::getElement() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like