src/Core/Cache/ArrayCache.php

   1 <?php
   2
   3 namespace Friendica\Core\Cache;
   4
   5 use Friendica\Core\BaseCache;
   6
   7 /**
   8  * Implementation of the IMemoryCache mainly for testing purpose
   9  *
  10  * Class ArrayCache
  11  *
  12  * @package Friendica\Core\Cache
  13  */
  14 class ArrayCache extends BaseCache implements IMemoryCache
  15 {
  16         use TraitCompareDelete;
  17
  18         /** @var array Array with the cached data */
  19         protected $cachedData = array();
  20
  21         /**
  22          * (@inheritdoc)
  23          */
  24         public function getAllKeys($prefix = null)
  25         {
  26                 return $this->filterArrayKeysByPrefix(array_keys($this->cachedData), $prefix);
  27         }
  28
  29         /**
  30          * (@inheritdoc)
  31          */
  32         public function get($key)
  33         {
  34                 if (isset($this->cachedData[$key])) {
  35                         return $this->cachedData[$key];
  36                 }
  37                 return null;
  38         }
  39
  40         /**
  41          * (@inheritdoc)
  42          */
  43         public function set($key, $value, $ttl = Duration::FIVE_MINUTES)
  44         {
  45                 $this->cachedData[$key] = $value;
  46                 return true;
  47         }
  48
  49         /**
  50          * (@inheritdoc)
  51          */
  52         public function delete($key)
  53         {
  54                 unset($this->cachedData[$key]);
  55                 return true;
  56         }
  57
  58         /**
  59          * (@inheritdoc)
  60          */
  61         public function clear($outdated = true)
  62         {
  63                 // Array doesn't support TTL so just don't delete something
  64                 if ($outdated) {
  65                         return true;
  66                 }
  67
  68                 $this->cachedData = [];
  69                 return true;
  70         }
  71
  72         /**
  73          * (@inheritdoc)
  74          */
  75         public function add($key, $value, $ttl = Duration::FIVE_MINUTES)
  76         {
  77                 if (isset($this->cachedData[$key])) {
  78                         return false;
  79                 } else {
  80                         return $this->set($key, $value, $ttl);
  81                 }
  82         }
  83
  84         /**
  85          * (@inheritdoc)
  86          */
  87         public function compareSet($key, $oldValue, $newValue, $ttl = Duration::FIVE_MINUTES)
  88         {
  89                 if ($this->get($key) === $oldValue) {
  90                         return $this->set($key, $newValue);
  91                 } else {
  92                         return false;
  93                 }
  94         }
  95
  96         /**
  97          * {@inheritDoc}
  98          */
  99         public function getName()
 100         {
 101                 return Type::ARRAY;
 102         }
 103 }