MongoDbStore::clear() - Code Metrics - webmozart/key-value-store - Measure and Improve Code Quality continuously with Scrutinizer

MongoDbStore::clear() A
last analyzed 2016-08-15 16:08 UTC

↳ Parent: MongoDbStore

Complexity

Conditions	2
Paths	2

Size

Total Lines	8
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	1

Metric	Value
c	1
b	0
f	1
dl	0
loc	8
ccs	5
cts	5
cp	1
rs	9.4285
cc	2
eloc	5
nc	2
nop	0
crap	2

<?php

/*
 * This file is part of the vendor/project package.
 *
 * (c) Bernhard Schussek <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Webmozart\KeyValueStore;

use Closure;
use Exception;
use MongoDB\BSON\Binary;
use MongoDB\Collection;
use MongoDB\Driver\Exception\UnexpectedValueException;
use Webmozart\KeyValueStore\Api\KeyValueStore;
use Webmozart\KeyValueStore\Api\NoSuchKeyException;
use Webmozart\KeyValueStore\Api\ReadException;
use Webmozart\KeyValueStore\Api\UnserializationFailedException;
use Webmozart\KeyValueStore\Api\UnsupportedValueException;
use Webmozart\KeyValueStore\Api\WriteException;
use Webmozart\KeyValueStore\Util\KeyUtil;
use Webmozart\KeyValueStore\Util\Serializer;

/**
 * A key-value-store backed by MongoDB.
 *
 * @since 1.0
 *
 * @author Bernhard Schussek <[email protected]>
 */
class MongoDbStore implements KeyValueStore
{
    /**
     * Flag: Disable serialization.
     */
    const NO_SERIALIZE = 1;

    /**
     * Flag: Support storage of binary data.
     */
    const SUPPORT_BINARY = 2;

    private static $typeMap = array(
        'root' => 'array',
        'document' => 'array',
        'array' => 'array',
    );

    /**
     * @var Collection
     */
    private $collection;

    /**
     * @var Closure
     */
    private $serialize;

    /**
     * @var Closure
     */
    private $unserialize;

    public function __construct(Collection $collection, $flags = 0)
    {
        $this->collection = $collection;

        if ($flags & self::NO_SERIALIZE) {
            if ($flags & self::SUPPORT_BINARY) {
                $this->serialize = function ($unserialized) {
                    if (!is_string($unserialized)) {
                        throw UnsupportedValueException::forValue($unserialized, $this);
                    }

                    return new Binary($unserialized, Binary::TYPE_GENERIC);
                };
                $this->unserialize = function (Binary $serialized) {
                    return $serialized->getData();
                };
            } else {
                $this->serialize = function ($unserialized) {
                    if (!is_scalar($unserialized) && !is_array($unserialized) && null !== $unserialized) {
                        throw UnsupportedValueException::forValue($unserialized, $this);
                    }

                    return $unserialized;
                };
                $this->unserialize = function ($serialized) {
                    return $serialized;
                };
            }
        } else {
            if ($flags & self::SUPPORT_BINARY) {
                $this->serialize = function ($unserialized) {
                    return new Binary(
                        Serializer::serialize($unserialized),
                        Binary::TYPE_GENERIC
                    );
                };
                $this->unserialize = function (Binary $serialized) {
                    return Serializer::unserialize($serialized->getData());
                };
            } else {
                $this->serialize = function ($unserialized) {
                    return Serializer::serialize($unserialized);
                };
                $this->unserialize = function ($serialized) {
                    return Serializer::unserialize($serialized);
                };
            }
        }
    }

    /**
     * {@inheritdoc}
     */
    public function set($key, $value)
    {
        KeyUtil::validate($key);

        $serialized = $this->serialize->__invoke($value);

        try {
            $this->collection->replaceOne(
                array('_id' => $key),
                array('_id' => $key, 'value' => $serialized),
                array('upsert' => true)
            );
        } catch (UnexpectedValueException $e) {

            throw UnsupportedValueException::forType('binary', $this, 0, $e);
        } catch (Exception $e) {
            throw WriteException::forException($e);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function get($key, $default = null)

    {
        KeyUtil::validate($key);

        try {
            $document = $this->collection->findOne(
                array('_id' => $key),
                array('typeMap' => self::$typeMap)
            );
        } catch (Exception $e) {
            throw ReadException::forException($e);
        }

        if (null === $document) {
            return $default;
        }

        return $this->unserialize->__invoke($document['value']);
    }

    /**
     * {@inheritdoc}
     */
    public function getOrFail($key)

    {
        KeyUtil::validate($key);

        try {
            $document = $this->collection->findOne(
                array('_id' => $key),
                array('typeMap' => self::$typeMap)
            );
        } catch (Exception $e) {
            throw ReadException::forException($e);
        }

        if (null === $document) {
            throw NoSuchKeyException::forKey($key);
        }

        return $this->unserialize->__invoke($document['value']);
    }

    /**
     * {@inheritdoc}
     */
    public function getMultiple(array $keys, $default = null)
    {
        KeyUtil::validateMultiple($keys);

        $values = array_fill_keys($keys, $default);

        try {
            $cursor = $this->collection->find(
                array('_id' => array('$in' => array_values($keys))),
                array('typeMap' => self::$typeMap)
            );

            foreach ($cursor as $document) {
                $values[$document['_id']] = $this->unserialize->__invoke($document['value']);
            }
        } catch (UnserializationFailedException $e) {
            throw $e;
        } catch (Exception $e) {
            throw ReadException::forException($e);
        }

        return $values;
    }

    /**
     * {@inheritdoc}
     */
    public function getMultipleOrFail(array $keys)
    {
        KeyUtil::validateMultiple($keys);

        $values = array();

        try {
            $cursor = $this->collection->find(
                array('_id' => array('$in' => array_values($keys))),
                array('typeMap' => self::$typeMap)
            );

            foreach ($cursor as $document) {
                $values[$document['_id']] = $this->unserialize->__invoke($document['value']);
            }
        } catch (UnserializationFailedException $e) {
            throw $e;
        } catch (Exception $e) {
            throw ReadException::forException($e);
        }

        $notFoundKeys = array_diff($keys, array_keys($values));

        if (count($notFoundKeys) > 0) {
            throw NoSuchKeyException::forKeys($notFoundKeys);
        }

        return $values;
    }

    /**
     * {@inheritdoc}
     */
    public function remove($key)

    {
        KeyUtil::validate($key);

        try {
            $result = $this->collection->deleteOne(array('_id' => $key));
            $deletedCount = $result->getDeletedCount();
        } catch (Exception $e) {
            throw WriteException::forException($e);
        }

        return $deletedCount > 0;
    }

    /**
     * {@inheritdoc}
     */
    public function exists($key)

    {
        KeyUtil::validate($key);

        try {
            $count = $this->collection->count(array('_id' => $key));
        } catch (Exception $e) {
            throw ReadException::forException($e);
        }

        return $count > 0;
    }

    /**
     * {@inheritdoc}
     */
    public function clear()
    {
        try {
            $this->collection->drop();
        } catch (Exception $e) {
            throw WriteException::forException($e);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function keys()
    {
        try {
            $cursor = $this->collection->find(array(), array(
                'projection' => array('_id' => 1),
            ));

            $keys = array();

            foreach ($cursor as $document) {
                $keys[] = $document['_id'];
            }
        } catch (Exception $e) {
            throw ReadException::forException($e);
        }

        return $keys;
    }
}


1			<?php
2
3			/*
4			* This file is part of the vendor/project package.
5			*
6			* (c) Bernhard Schussek <[email protected]>
7			*
8			* For the full copyright and license information, please view the LICENSE
9			* file that was distributed with this source code.
10			*/
11
12			namespace Webmozart\KeyValueStore;
13
14			use Closure;
15			use Exception;
16			use MongoDB\BSON\Binary;
17			use MongoDB\Collection;
18			use MongoDB\Driver\Exception\UnexpectedValueException;
19			use Webmozart\KeyValueStore\Api\KeyValueStore;
20			use Webmozart\KeyValueStore\Api\NoSuchKeyException;
21			use Webmozart\KeyValueStore\Api\ReadException;
22			use Webmozart\KeyValueStore\Api\UnserializationFailedException;
23			use Webmozart\KeyValueStore\Api\UnsupportedValueException;
24			use Webmozart\KeyValueStore\Api\WriteException;
25			use Webmozart\KeyValueStore\Util\KeyUtil;
26			use Webmozart\KeyValueStore\Util\Serializer;
27
28			/**
29			* A key-value-store backed by MongoDB.
30			*
31			* @since 1.0
32			*
33			* @author Bernhard Schussek <[email protected]>
34			*/
35			class MongoDbStore implements KeyValueStore
36			{
37			/**
38			* Flag: Disable serialization.
39			*/
40			const NO_SERIALIZE = 1;
41
42			/**
43			* Flag: Support storage of binary data.
44			*/
45			const SUPPORT_BINARY = 2;
46
47			private static $typeMap = array(
48			'root' => 'array',
49			'document' => 'array',
50			'array' => 'array',
51			);
52
53			/**
54			* @var Collection
55			*/
56			private $collection;
57
58			/**
59			* @var Closure
60			*/
61			private $serialize;
62
63			/**
64			* @var Closure
65			*/
66			private $unserialize;
67
68	332		public function __construct(Collection $collection, $flags = 0)
69			{
70	332		$this->collection = $collection;
71
72	332		if ($flags & self::NO_SERIALIZE) {
73	166		if ($flags & self::SUPPORT_BINARY) {
74			$this->serialize = function ($unserialized) {
75	55		if (!is_string($unserialized)) {
76	17		throw UnsupportedValueException::forValue($unserialized, $this);
77			}
78
79	38		return new Binary($unserialized, Binary::TYPE_GENERIC);
80			};
81			$this->unserialize = function (Binary $serialized) {
82	18		return $serialized->getData();
83	83		};
84			} else {
85			$this->serialize = function ($unserialized) {
86	55		if (!is_scalar($unserialized) && !is_array($unserialized) && null !== $unserialized) {
87	5		throw UnsupportedValueException::forValue($unserialized, $this);
88			}
89
90	50		return $unserialized;
91			};
92			$this->unserialize = function ($serialized) {
93	28		return $serialized;
94	166		};
95			}
96			} else {
97	194		if ($flags & self::SUPPORT_BINARY) {
98			$this->serialize = function ($unserialized) {
99	55		return new Binary(
100	55		Serializer::serialize($unserialized),
101	53		Binary::TYPE_GENERIC
102			);
103			};
104			$this->unserialize = function (Binary $serialized) {
105	33		return Serializer::unserialize($serialized->getData());
106	83		};
107			} else {
108			$this->serialize = function ($unserialized) {
109	59		return Serializer::serialize($unserialized);
110			};
111	46		$this->unserialize = function ($serialized) {
112	46		return Serializer::unserialize($serialized);
113			};
114			}
115			}
116	332		}
117
118			/**
119			* {@inheritdoc}
120			*/
121	232		public function set($key, $value)
122			{
123	232		KeyUtil::validate($key);
124
125	224		$serialized = $this->serialize->__invoke($value);
126
127			try {
128	198		$this->collection->replaceOne(
129	198		array('_id' => $key),
130	198		array('_id' => $key, 'value' => $serialized),
131	198		array('upsert' => true)
132			);
133	9		} catch (UnexpectedValueException $e) {
			0 ignored issues – show Bug introduced 2016-08-03 11:05 UTC by Report Bug Copy Issue Report The class `MongoDB\Driver\Exception\UnexpectedValueException` does not exist. Did you forget a USE statement, or did you not list all dependencies? Scrutinizer analyzes your `composer.json`/`composer.lock` file if available to determine the classes, and functions that are defined by your dependencies. It seems like the listed class was neither found in your dependencies, nor was it found in the analyzed files in your repository. If you are using some other form of dependency management, you might want to disable this analysis. Loading history...
134	5		throw UnsupportedValueException::forType('binary', $this, 0, $e);
135	4		} catch (Exception $e) {
136	4		throw WriteException::forException($e);
137			}
138	189		}
139
140			/**
141			* {@inheritdoc}
142			*/
143	28	View Code Duplication	public function get($key, $default = null)
			0 ignored issues – show Duplication introduced 2016-08-03 11:05 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
144			{
145	28		KeyUtil::validate($key);
146
147			try {
148	20		$document = $this->collection->findOne(
149	20		array('_id' => $key),
150	20		array('typeMap' => self::$typeMap)
151			);
152	4		} catch (Exception $e) {
153	4		throw ReadException::forException($e);
154			}
155
156	16		if (null === $document) {
157	4		return $default;
158			}
159
160	12		return $this->unserialize->__invoke($document['value']);
161			}
162
163			/**
164			* {@inheritdoc}
165			*/
166	105	View Code Duplication	public function getOrFail($key)
			0 ignored issues – show Duplication introduced 2016-08-03 11:05 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
167			{
168	105		KeyUtil::validate($key);
169
170			try {
171	97		$document = $this->collection->findOne(
172	97		array('_id' => $key),
173	97		array('typeMap' => self::$typeMap)
174			);
175	4		} catch (Exception $e) {
176	4		throw ReadException::forException($e);
177			}
178
179	93		if (null === $document) {
180	4		throw NoSuchKeyException::forKey($key);
181			}
182
183	89		return $this->unserialize->__invoke($document['value']);
184			}
185
186			/**
187			* {@inheritdoc}
188			*/
189	24		public function getMultiple(array $keys, $default = null)
190			{
191	24		KeyUtil::validateMultiple($keys);
192
193	16		$values = array_fill_keys($keys, $default);
194
195			try {
196	16		$cursor = $this->collection->find(
197	16		array('_id' => array('$in' => array_values($keys))),
198	16		array('typeMap' => self::$typeMap)
199			);
200
201	12		foreach ($cursor as $document) {
202	12		$values[$document['_id']] = $this->unserialize->__invoke($document['value']);
203			}
204	8		} catch (UnserializationFailedException $e) {
205	4		throw $e;
206	4		} catch (Exception $e) {
207	4		throw ReadException::forException($e);
208			}
209
210	8		return $values;
211			}
212
213			/**
214			* {@inheritdoc}
215			*/
216	105		public function getMultipleOrFail(array $keys)
217			{
218	105		KeyUtil::validateMultiple($keys);
219
220	97		$values = array();
221
222			try {
223	97		$cursor = $this->collection->find(
224	97		array('_id' => array('$in' => array_values($keys))),
225	97		array('typeMap' => self::$typeMap)
226			);
227
228	93		foreach ($cursor as $document) {
229	93		$values[$document['_id']] = $this->unserialize->__invoke($document['value']);
230			}
231	8		} catch (UnserializationFailedException $e) {
232	4		throw $e;
233	4		} catch (Exception $e) {
234	4		throw ReadException::forException($e);
235			}
236
237	89		$notFoundKeys = array_diff($keys, array_keys($values));
238
239	89		if (count($notFoundKeys) > 0) {
240	4		throw NoSuchKeyException::forKeys($notFoundKeys);
241			}
242
243	85		return $values;
244			}
245
246			/**
247			* {@inheritdoc}
248			*/
249	44	View Code Duplication	public function remove($key)
			0 ignored issues – show Duplication introduced 2016-08-03 11:05 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
250			{
251	44		KeyUtil::validate($key);
252
253			try {
254	36		$result = $this->collection->deleteOne(array('_id' => $key));
255	32		$deletedCount = $result->getDeletedCount();
256	8		} catch (Exception $e) {
257	8		throw WriteException::forException($e);
258			}
259
260	28		return $deletedCount > 0;
261			}
262
263			/**
264			* {@inheritdoc}
265			*/
266	101	View Code Duplication	public function exists($key)
			0 ignored issues – show Duplication introduced 2016-08-03 11:05 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
267			{
268	101		KeyUtil::validate($key);
269
270			try {
271	93		$count = $this->collection->count(array('_id' => $key));
272	4		} catch (Exception $e) {
273	4		throw ReadException::forException($e);
274			}
275
276	89		return $count > 0;
277			}
278
279			/**
280			* {@inheritdoc}
281			*/
282	332		public function clear()
283			{
284			try {
285	332		$this->collection->drop();
286	4		} catch (Exception $e) {
287	4		throw WriteException::forException($e);
288			}
289	332		}
290
291			/**
292			* {@inheritdoc}
293			*/
294	16		public function keys()
295			{
296			try {
297	16		$cursor = $this->collection->find(array(), array(
298	16		'projection' => array('_id' => 1),
299			));
300
301	12		$keys = array();
302
303	12		foreach ($cursor as $document) {
304	12		$keys[] = $document['_id'];
305			}
306	4		} catch (Exception $e) {
307	4		throw ReadException::forException($e);
308			}
309
310	12		return $keys;
311			}
312			}
313

webmozart / key-value-store

MongoDbStore::clear() A last analyzed 2016-08-15 16:08 UTC

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MongoDbStore::clear() A
last analyzed 2016-08-15 16:08 UTC