scratch – Blame information for rev 122
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Rev | Author | Line No. | Line |
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120 | office | 1 | <?php |
2 | |||
3 | namespace Doctrine\Common\Cache; |
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4 | |||
5 | use Predis\ClientInterface; |
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6 | |||
7 | /** |
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8 | * Predis cache provider. |
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9 | * |
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10 | * @author othillo <othillo@othillo.nl> |
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11 | */ |
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12 | class PredisCache extends CacheProvider |
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13 | { |
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14 | /** |
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15 | * @var ClientInterface |
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16 | */ |
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17 | private $client; |
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18 | |||
19 | /** |
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20 | * @param ClientInterface $client |
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21 | * |
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22 | * @return void |
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23 | */ |
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24 | public function __construct(ClientInterface $client) |
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25 | { |
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26 | $this->client = $client; |
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27 | } |
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28 | |||
29 | /** |
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30 | * {@inheritdoc} |
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31 | */ |
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32 | protected function doFetch($id) |
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33 | { |
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34 | $result = $this->client->get($id); |
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35 | if (null === $result) { |
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36 | return false; |
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37 | } |
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38 | |||
39 | return unserialize($result); |
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40 | } |
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41 | |||
42 | /** |
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43 | * {@inheritdoc} |
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44 | */ |
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45 | protected function doFetchMultiple(array $keys) |
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46 | { |
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47 | $fetchedItems = call_user_func_array(array($this->client, 'mget'), $keys); |
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48 | |||
49 | return array_map('unserialize', array_filter(array_combine($keys, $fetchedItems))); |
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50 | } |
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51 | |||
52 | /** |
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53 | * {@inheritdoc} |
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54 | */ |
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55 | protected function doSaveMultiple(array $keysAndValues, $lifetime = 0) |
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56 | { |
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57 | if ($lifetime) { |
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58 | $success = true; |
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59 | |||
60 | // Keys have lifetime, use SETEX for each of them |
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61 | foreach ($keysAndValues as $key => $value) { |
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62 | $response = $this->client->setex($key, $lifetime, serialize($value)); |
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63 | |||
64 | if ((string) $response != 'OK') { |
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65 | $success = false; |
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66 | } |
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67 | } |
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68 | |||
69 | return $success; |
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70 | } |
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71 | |||
72 | // No lifetime, use MSET |
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73 | $response = $this->client->mset(array_map(function ($value) { |
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74 | return serialize($value); |
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75 | }, $keysAndValues)); |
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76 | |||
77 | return (string) $response == 'OK'; |
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78 | } |
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79 | |||
80 | /** |
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81 | * {@inheritdoc} |
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82 | */ |
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83 | protected function doContains($id) |
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84 | { |
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85 | return (bool) $this->client->exists($id); |
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86 | } |
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87 | |||
88 | /** |
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89 | * {@inheritdoc} |
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90 | */ |
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91 | protected function doSave($id, $data, $lifeTime = 0) |
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92 | { |
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93 | $data = serialize($data); |
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94 | if ($lifeTime > 0) { |
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95 | $response = $this->client->setex($id, $lifeTime, $data); |
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96 | } else { |
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97 | $response = $this->client->set($id, $data); |
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98 | } |
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99 | |||
100 | return $response === true || $response == 'OK'; |
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101 | } |
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102 | |||
103 | /** |
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104 | * {@inheritdoc} |
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105 | */ |
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106 | protected function doDelete($id) |
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107 | { |
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108 | return $this->client->del($id) >= 0; |
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109 | } |
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110 | |||
111 | /** |
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112 | * {@inheritdoc} |
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113 | */ |
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114 | protected function doFlush() |
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115 | { |
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116 | $response = $this->client->flushdb(); |
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117 | |||
118 | return $response === true || $response == 'OK'; |
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119 | } |
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120 | |||
121 | /** |
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122 | * {@inheritdoc} |
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123 | */ |
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124 | protected function doGetStats() |
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125 | { |
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126 | $info = $this->client->info(); |
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127 | |||
128 | return array( |
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129 | Cache::STATS_HITS => $info['Stats']['keyspace_hits'], |
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130 | Cache::STATS_MISSES => $info['Stats']['keyspace_misses'], |
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131 | Cache::STATS_UPTIME => $info['Server']['uptime_in_seconds'], |
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132 | Cache::STATS_MEMORY_USAGE => $info['Memory']['used_memory'], |
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133 | Cache::STATS_MEMORY_AVAILABLE => false |
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134 | ); |
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135 | } |
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136 | } |