1 | <?php |
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2 | |||
3 | namespace Doctrine\Common\Cache; |
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4 | |||
5 | use function apcu_cache_info; |
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6 | use function apcu_clear_cache; |
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7 | use function apcu_delete; |
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8 | use function apcu_exists; |
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9 | use function apcu_fetch; |
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10 | use function apcu_sma_info; |
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11 | use function apcu_store; |
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12 | use function count; |
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13 | |||
14 | /** |
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15 | * APCu cache provider. |
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16 | * |
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17 | * @link www.doctrine-project.org |
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18 | */ |
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19 | class ApcuCache extends CacheProvider |
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20 | { |
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21 | /** |
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22 | * {@inheritdoc} |
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23 | */ |
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24 | 75 | protected function doFetch($id) |
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25 | { |
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26 | 75 | return apcu_fetch($id); |
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27 | } |
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28 | |||
29 | /** |
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30 | * {@inheritdoc} |
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31 | */ |
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32 | 70 | protected function doContains($id) |
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33 | { |
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34 | 70 | return apcu_exists($id); |
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35 | } |
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36 | |||
37 | /** |
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38 | * {@inheritdoc} |
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39 | */ |
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40 | 73 | protected function doSave($id, $data, $lifeTime = 0) |
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41 | { |
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42 | 73 | return apcu_store($id, $data, $lifeTime); |
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43 | } |
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44 | |||
45 | /** |
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46 | * {@inheritdoc} |
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47 | */ |
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48 | 44 | protected function doDelete($id) |
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49 | { |
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50 | // apcu_delete returns false if the id does not exist |
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51 | 44 | return apcu_delete($id) || ! apcu_exists($id); |
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52 | } |
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53 | |||
54 | /** |
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55 | * {@inheritdoc} |
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56 | */ |
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57 | 1 | protected function doDeleteMultiple(array $keys) |
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58 | { |
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59 | 1 | $result = apcu_delete($keys); |
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60 | |||
61 | 1 | return $result !== false && count($result) !== count($keys); |
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62 | } |
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63 | |||
64 | /** |
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65 | * {@inheritdoc} |
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66 | */ |
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67 | 2 | protected function doFlush() |
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68 | { |
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69 | 2 | return apcu_clear_cache(); |
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70 | } |
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71 | |||
72 | /** |
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73 | * {@inheritdoc} |
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74 | */ |
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75 | 2 | protected function doFetchMultiple(array $keys) |
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76 | { |
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77 | 2 | return apcu_fetch($keys) ?: []; |
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78 | } |
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79 | |||
80 | /** |
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81 | * {@inheritdoc} |
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82 | */ |
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83 | 1 | protected function doSaveMultiple(array $keysAndValues, $lifetime = 0) |
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84 | { |
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85 | 1 | $result = apcu_store($keysAndValues, null, $lifetime); |
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86 | |||
87 | 1 | return empty($result); |
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88 | } |
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89 | |||
90 | /** |
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91 | * {@inheritdoc} |
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92 | */ |
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93 | 1 | protected function doGetStats() |
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94 | { |
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95 | 1 | $info = apcu_cache_info(true); |
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96 | 1 | $sma = apcu_sma_info(); |
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97 | |||
98 | return [ |
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99 | 1 | Cache::STATS_HITS => $info['num_hits'], |
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100 | 1 | Cache::STATS_MISSES => $info['num_misses'], |
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101 | 1 | Cache::STATS_UPTIME => $info['start_time'], |
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102 | 1 | Cache::STATS_MEMORY_USAGE => $info['mem_size'], |
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103 | 1 | Cache::STATS_MEMORY_AVAILABLE => $sma['avail_mem'], |
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104 | ]; |
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105 | } |
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106 | } |
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107 |