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 2019-04-18 19:13 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 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|null */
    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|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 {
            $this->locator = new DefaultFileLocator((array) $locator, $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 (array) $this->locator->getAllClassNames($this->globalBasename);
        }

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

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

doctrine / persistence

Pull Request — master (#50)

FileDriver::getElement() A

Complexity

Size

Duplication

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