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115 | office | 1 | <?php |
2 | /* |
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3 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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4 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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5 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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6 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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7 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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8 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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9 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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10 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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11 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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12 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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13 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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14 | * |
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15 | * This software consists of voluntary contributions made by many individuals |
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16 | * and is licensed under the MIT license. For more information, see |
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17 | * <http://www.doctrine-project.org>. |
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18 | */ |
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19 | |||
20 | namespace Doctrine\Common\Cache; |
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21 | |||
22 | /** |
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23 | * APCu cache provider. |
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24 | * |
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25 | * @link www.doctrine-project.org |
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26 | * @since 1.6 |
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27 | * @author Kévin Dunglas <dunglas@gmail.com> |
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28 | */ |
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29 | class ApcuCache extends CacheProvider |
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30 | { |
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31 | /** |
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32 | * {@inheritdoc} |
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33 | */ |
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34 | protected function doFetch($id) |
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35 | { |
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36 | return apcu_fetch($id); |
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37 | } |
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38 | |||
39 | /** |
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40 | * {@inheritdoc} |
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41 | */ |
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42 | protected function doContains($id) |
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43 | { |
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44 | return apcu_exists($id); |
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45 | } |
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46 | |||
47 | /** |
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48 | * {@inheritdoc} |
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49 | */ |
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50 | protected function doSave($id, $data, $lifeTime = 0) |
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51 | { |
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52 | return apcu_store($id, $data, $lifeTime); |
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53 | } |
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54 | |||
55 | /** |
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56 | * {@inheritdoc} |
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57 | */ |
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58 | protected function doDelete($id) |
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59 | { |
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60 | // apcu_delete returns false if the id does not exist |
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61 | return apcu_delete($id) || ! apcu_exists($id); |
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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 | protected function doFlush() |
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68 | { |
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69 | 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 | protected function doFetchMultiple(array $keys) |
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76 | { |
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77 | return apcu_fetch($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 | protected function doSaveMultiple(array $keysAndValues, $lifetime = 0) |
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84 | { |
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85 | $result = apcu_store($keysAndValues, null, $lifetime); |
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86 | |||
87 | return empty($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 | protected function doGetStats() |
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94 | { |
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95 | $info = apcu_cache_info(true); |
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96 | $sma = apcu_sma_info(); |
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97 | |||
98 | return array( |
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99 | Cache::STATS_HITS => $info['num_hits'], |
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100 | Cache::STATS_MISSES => $info['num_misses'], |
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101 | Cache::STATS_UPTIME => $info['start_time'], |
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102 | Cache::STATS_MEMORY_USAGE => $info['mem_size'], |
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103 | Cache::STATS_MEMORY_AVAILABLE => $sma['avail_mem'], |
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104 | ); |
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105 | } |
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106 | } |