scratch – Blame information for rev 115
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| Rev | Author | Line No. | Line |
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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 | } |