TagAwareCacheAdapter::get() - Code Metrics - Sf4/Api - Measure and Improve Code Quality continuously with Scrutinizer

TagAwareCacheAdapter::get() A
last analyzed 2019-04-05 06:55 UTC

↳ Parent: TagAwareCacheAdapter

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	4
dl	0
loc	3
rs	10
c	0
b	0
f	0

<?php

namespace Sf4\Api\Services;

use Psr\Cache\CacheItemInterface;
use Psr\Cache\InvalidArgumentException;
use Symfony\Component\Cache\Adapter\RedisAdapter;
use Symfony\Component\Cache\Adapter\TagAwareAdapter;
use Symfony\Contracts\Cache\CallbackInterface;
use Symfony\Contracts\Cache\ItemInterface;

class TagAwareCacheAdapter implements CacheAdapterInterface
{
    protected $cache;

    public function init(): void
    {
        $redisConnection = RedisAdapter::createConnection(
            'redis://localhost'
        );
        $redisAdapter = new RedisAdapter(
            $redisConnection,
            '',
            0
        );
        $this->cache = new TagAwareAdapter(
            $redisAdapter,
            $redisAdapter
        );
    }

    /**
     * Returns a Cache Item representing the specified key.
     *
     * This method must always return a ItemInterface object, even in case of
     * a cache miss. It MUST NOT return null.
     *
     * @param string $key
     *   The key for which to return the corresponding Cache Item.
     *
     * @throws InvalidArgumentException
     *   If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
     *   MUST be thrown.
     *
     * @return ItemInterface
     *   The corresponding Cache Item.
     */
    public function getItem($key): ?ItemInterface
    {
        return $this->getCache()->getItem($key);
    }

    /**
     * @return TagAwareAdapter
     */
    public function getCache(): TagAwareAdapter
    {
        return $this->cache;
    }

    /**
     * Returns a traversable set of cache items.
     *
     * @param string[] $keys
     *   An indexed array of keys of items to retrieve.
     *
     * @throws InvalidArgumentException
     *   If any of the keys in $keys are not a legal value a \Psr\Cache\InvalidArgumentException
     *   MUST be thrown.
     *
     * @return array|\Traversable
     *   A traversable collection of Cache Items keyed by the cache keys of
     *   each item. A Cache item will be returned for each key, even if that
     *   key is not found. However, if no keys are specified then an empty
     *   traversable MUST be returned instead.
     */
    public function getItems(array $keys = array())
    {
        return $this->getCache()->getItems($keys);
    }

    /**
     * Confirms if the cache contains specified cache item.
     *
     * Note: This method MAY avoid retrieving the cached value for performance reasons.
     * This could result in a race condition with ItemInterface::get(). To avoid
     * such situation use ItemInterface::isHit() instead.
     *
     * @param string $key
     *   The key for which to check existence.
     *
     * @throws InvalidArgumentException
     *   If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
     *   MUST be thrown.
     *
     * @return bool
     *   True if item exists in the cache, false otherwise.
     */
    public function hasItem($key): bool
    {
        return $this->getCache()->hasItem($key);
    }

    /**
     * Deletes all items in the pool.
     *
     * @return bool
     *   True if the pool was successfully cleared. False if there was an error.
     */
    public function clear(): bool
    {
        return $this->getCache()->clear();
    }

    /**
     * Removes the item from the pool.
     *
     * @param string $key
     *   The key to delete.
     *
     * @throws InvalidArgumentException
     *   If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
     *   MUST be thrown.
     *
     * @return bool
     *   True if the item was successfully removed. False if there was an error.
     */
    public function deleteItem($key): bool
    {
        return $this->getCache()->deleteItem($key);
    }

    /**
     * Removes multiple items from the pool.
     *
     * @param string[] $keys
     *   An array of keys that should be removed from the pool.
     * @throws InvalidArgumentException
     *   If any of the keys in $keys are not a legal value a \Psr\Cache\InvalidArgumentException
     *   MUST be thrown.
     *
     * @return bool
     *   True if the items were successfully removed. False if there was an error.
     */
    public function deleteItems(array $keys): bool
    {
        return $this->getCache()->deleteItems($keys);
    }

    /**
     * Persists a cache item immediately.
     *
     * @param CacheItemInterface $item
     *   The cache item to save.
     *
     * @return bool
     *   True if the item was successfully persisted. False if there was an error.
     */
    public function save(CacheItemInterface $item): bool
    {
        return $this->getCache()->save($item);
    }

    /**
     * Sets a cache item to be persisted later.
     *
     * @param CacheItemInterface $item
     *   The cache item to save.
     *
     * @return bool
     *   False if the item could not be queued or if a commit was attempted and failed. True otherwise.
     */
    public function saveDeferred(CacheItemInterface $item): bool
    {
        return $this->getCache()->saveDeferred($item);
    }

    /**
     * Persists any deferred cache items.
     *
     * @return bool
     *   True if all not-yet-saved items were successfully saved or there were none. False otherwise.
     */
    public function commit(): bool
    {
        return $this->getCache()->commit();
    }

    /**
     * Fetches a value from the pool or computes it if not found.
     *
     * On cache misses, a callback is called that should return the missing value.
     * This callback is given a PSR-6 ItemInterface instance corresponding to the
     * requested key, that could be used e.g. for expiration control. It could also
     * be an ItemInterface instance when its additional features are needed.
     *
     * @param string $key The key of the item to retrieve from the cache
     * @param callable|CallbackInterface $callback Should return the computed value for the given key/item
     * @param float|null $beta A float that, as it grows, controls the likeliness of triggering
     *        early expiration. 0 disables it, INF forces immediate expiration.
     *        The default (or providing null) is implementation dependent but should
     *        typically be 1.0, which should provide optimal stampede protection.
     *        See https://en.wikipedia.org/wiki/Cache_stampede#Probabilistic_early_expiration
     * @param array &$metadata The metadata of the cached item {@see ItemInterface::getMetadata()}
     *
     * @return mixed The value corresponding to the provided key
     *
     */
    public function get(string $key, callable $callback, float $beta = null, array &$metadata = null)
    {
        return $this->getCache()->get($key, $callback, $beta, $metadata);
    }

    /**
     * Removes an item from the pool.
     *
     * @param string $key The key to delete
     *
     * @return bool True if the item was successfully removed, false if there was any error
     */
    public function delete(string $key): bool
    {
        return $this->getCache()->delete($key);
    }

    /**
     * Invalidates cached items using tags.
     *
     * @param string[] $tags An array of tags to invalidate
     *
     * @return bool True on success
     *
     * @throws InvalidArgumentException When $tags is not valid
     */
    public function invalidateTags(array $tags): bool
    {
        return $this->getCache()->invalidateTags($tags);
    }
}


1			<?php
2
3			namespace Sf4\Api\Services;
4
5			use Psr\Cache\CacheItemInterface;
6			use Psr\Cache\InvalidArgumentException;
7			use Symfony\Component\Cache\Adapter\RedisAdapter;
8			use Symfony\Component\Cache\Adapter\TagAwareAdapter;
9			use Symfony\Contracts\Cache\CallbackInterface;
10			use Symfony\Contracts\Cache\ItemInterface;
11
12			class TagAwareCacheAdapter implements CacheAdapterInterface
13			{
14			protected $cache;
15
16			public function init(): void
17			{
18			$redisConnection = RedisAdapter::createConnection(
19			'redis://localhost'
20			);
21			$redisAdapter = new RedisAdapter(
22			$redisConnection,
23			'',
24			0
25			);
26			$this->cache = new TagAwareAdapter(
27			$redisAdapter,
28			$redisAdapter
29			);
30			}
31
32			/**
33			* Returns a Cache Item representing the specified key.
34			*
35			* This method must always return a ItemInterface object, even in case of
36			* a cache miss. It MUST NOT return null.
37			*
38			* @param string $key
39			* The key for which to return the corresponding Cache Item.
40			*
41			* @throws InvalidArgumentException
42			* If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
43			* MUST be thrown.
44			*
45			* @return ItemInterface
46			* The corresponding Cache Item.
47			*/
48			public function getItem($key): ?ItemInterface
49			{
50			return $this->getCache()->getItem($key);
51			}
52
53			/**
54			* @return TagAwareAdapter
55			*/
56			public function getCache(): TagAwareAdapter
57			{
58			return $this->cache;
59			}
60
61			/**
62			* Returns a traversable set of cache items.
63			*
64			* @param string[] $keys
65			* An indexed array of keys of items to retrieve.
66			*
67			* @throws InvalidArgumentException
68			* If any of the keys in $keys are not a legal value a \Psr\Cache\InvalidArgumentException
69			* MUST be thrown.
70			*
71			* @return array\|\Traversable
72			* A traversable collection of Cache Items keyed by the cache keys of
73			* each item. A Cache item will be returned for each key, even if that
74			* key is not found. However, if no keys are specified then an empty
75			* traversable MUST be returned instead.
76			*/
77			public function getItems(array $keys = array())
78			{
79			return $this->getCache()->getItems($keys);
80			}
81
82			/**
83			* Confirms if the cache contains specified cache item.
84			*
85			* Note: This method MAY avoid retrieving the cached value for performance reasons.
86			* This could result in a race condition with ItemInterface::get(). To avoid
87			* such situation use ItemInterface::isHit() instead.
88			*
89			* @param string $key
90			* The key for which to check existence.
91			*
92			* @throws InvalidArgumentException
93			* If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
94			* MUST be thrown.
95			*
96			* @return bool
97			* True if item exists in the cache, false otherwise.
98			*/
99			public function hasItem($key): bool
100			{
101			return $this->getCache()->hasItem($key);
102			}
103
104			/**
105			* Deletes all items in the pool.
106			*
107			* @return bool
108			* True if the pool was successfully cleared. False if there was an error.
109			*/
110			public function clear(): bool
111			{
112			return $this->getCache()->clear();
113			}
114
115			/**
116			* Removes the item from the pool.
117			*
118			* @param string $key
119			* The key to delete.
120			*
121			* @throws InvalidArgumentException
122			* If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
123			* MUST be thrown.
124			*
125			* @return bool
126			* True if the item was successfully removed. False if there was an error.
127			*/
128			public function deleteItem($key): bool
129			{
130			return $this->getCache()->deleteItem($key);
131			}
132
133			/**
134			* Removes multiple items from the pool.
135			*
136			* @param string[] $keys
137			* An array of keys that should be removed from the pool.
138			* @throws InvalidArgumentException
139			* If any of the keys in $keys are not a legal value a \Psr\Cache\InvalidArgumentException
140			* MUST be thrown.
141			*
142			* @return bool
143			* True if the items were successfully removed. False if there was an error.
144			*/
145			public function deleteItems(array $keys): bool
146			{
147			return $this->getCache()->deleteItems($keys);
148			}
149
150			/**
151			* Persists a cache item immediately.
152			*
153			* @param CacheItemInterface $item
154			* The cache item to save.
155			*
156			* @return bool
157			* True if the item was successfully persisted. False if there was an error.
158			*/
159			public function save(CacheItemInterface $item): bool
160			{
161			return $this->getCache()->save($item);
162			}
163
164			/**
165			* Sets a cache item to be persisted later.
166			*
167			* @param CacheItemInterface $item
168			* The cache item to save.
169			*
170			* @return bool
171			* False if the item could not be queued or if a commit was attempted and failed. True otherwise.
172			*/
173			public function saveDeferred(CacheItemInterface $item): bool
174			{
175			return $this->getCache()->saveDeferred($item);
176			}
177
178			/**
179			* Persists any deferred cache items.
180			*
181			* @return bool
182			* True if all not-yet-saved items were successfully saved or there were none. False otherwise.
183			*/
184			public function commit(): bool
185			{
186			return $this->getCache()->commit();
187			}
188
189			/**
190			* Fetches a value from the pool or computes it if not found.
191			*
192			* On cache misses, a callback is called that should return the missing value.
193			* This callback is given a PSR-6 ItemInterface instance corresponding to the
194			* requested key, that could be used e.g. for expiration control. It could also
195			* be an ItemInterface instance when its additional features are needed.
196			*
197			* @param string $key The key of the item to retrieve from the cache
198			* @param callable\|CallbackInterface $callback Should return the computed value for the given key/item
199			* @param float\|null $beta A float that, as it grows, controls the likeliness of triggering
200			* early expiration. 0 disables it, INF forces immediate expiration.
201			* The default (or providing null) is implementation dependent but should
202			* typically be 1.0, which should provide optimal stampede protection.
203			* See https://en.wikipedia.org/wiki/Cache_stampede#Probabilistic_early_expiration
204			* @param array &$metadata The metadata of the cached item {@see ItemInterface::getMetadata()}
205			*
206			* @return mixed The value corresponding to the provided key
207			*
208			*/
209			public function get(string $key, callable $callback, float $beta = null, array &$metadata = null)
210			{
211			return $this->getCache()->get($key, $callback, $beta, $metadata);
212			}
213
214			/**
215			* Removes an item from the pool.
216			*
217			* @param string $key The key to delete
218			*
219			* @return bool True if the item was successfully removed, false if there was any error
220			*/
221			public function delete(string $key): bool
222			{
223			return $this->getCache()->delete($key);
224			}
225
226			/**
227			* Invalidates cached items using tags.
228			*
229			* @param string[] $tags An array of tags to invalidate
230			*
231			* @return bool True on success
232			*
233			* @throws InvalidArgumentException When $tags is not valid
234			*/
235			public function invalidateTags(array $tags): bool
236			{
237			return $this->getCache()->invalidateTags($tags);
238			}
239			}
240

Sf4 / Api

TagAwareCacheAdapter::get() A last analyzed 2019-04-05 06:55 UTC

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TagAwareCacheAdapter::get() A
last analyzed 2019-04-05 06:55 UTC