annotate vendor/doctrine/cache/lib/Doctrine/Common/Cache/PredisCache.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 4c8ae668cc8c
children
rev   line source
Chris@0 1 <?php
Chris@0 2
Chris@0 3 namespace Doctrine\Common\Cache;
Chris@0 4
Chris@0 5 use Predis\ClientInterface;
Chris@0 6
Chris@0 7 /**
Chris@0 8 * Predis cache provider.
Chris@0 9 *
Chris@0 10 * @author othillo <othillo@othillo.nl>
Chris@0 11 */
Chris@0 12 class PredisCache extends CacheProvider
Chris@0 13 {
Chris@0 14 /**
Chris@0 15 * @var ClientInterface
Chris@0 16 */
Chris@0 17 private $client;
Chris@0 18
Chris@0 19 /**
Chris@0 20 * @param ClientInterface $client
Chris@0 21 *
Chris@0 22 * @return void
Chris@0 23 */
Chris@0 24 public function __construct(ClientInterface $client)
Chris@0 25 {
Chris@0 26 $this->client = $client;
Chris@0 27 }
Chris@0 28
Chris@0 29 /**
Chris@0 30 * {@inheritdoc}
Chris@0 31 */
Chris@0 32 protected function doFetch($id)
Chris@0 33 {
Chris@0 34 $result = $this->client->get($id);
Chris@0 35 if (null === $result) {
Chris@0 36 return false;
Chris@0 37 }
Chris@0 38
Chris@0 39 return unserialize($result);
Chris@0 40 }
Chris@0 41
Chris@0 42 /**
Chris@0 43 * {@inheritdoc}
Chris@0 44 */
Chris@0 45 protected function doFetchMultiple(array $keys)
Chris@0 46 {
Chris@0 47 $fetchedItems = call_user_func_array(array($this->client, 'mget'), $keys);
Chris@0 48
Chris@0 49 return array_map('unserialize', array_filter(array_combine($keys, $fetchedItems)));
Chris@0 50 }
Chris@0 51
Chris@0 52 /**
Chris@0 53 * {@inheritdoc}
Chris@0 54 */
Chris@0 55 protected function doSaveMultiple(array $keysAndValues, $lifetime = 0)
Chris@0 56 {
Chris@0 57 if ($lifetime) {
Chris@0 58 $success = true;
Chris@0 59
Chris@0 60 // Keys have lifetime, use SETEX for each of them
Chris@0 61 foreach ($keysAndValues as $key => $value) {
Chris@0 62 $response = $this->client->setex($key, $lifetime, serialize($value));
Chris@0 63
Chris@0 64 if ((string) $response != 'OK') {
Chris@0 65 $success = false;
Chris@0 66 }
Chris@0 67 }
Chris@0 68
Chris@0 69 return $success;
Chris@0 70 }
Chris@0 71
Chris@0 72 // No lifetime, use MSET
Chris@0 73 $response = $this->client->mset(array_map(function ($value) {
Chris@0 74 return serialize($value);
Chris@0 75 }, $keysAndValues));
Chris@0 76
Chris@0 77 return (string) $response == 'OK';
Chris@0 78 }
Chris@0 79
Chris@0 80 /**
Chris@0 81 * {@inheritdoc}
Chris@0 82 */
Chris@0 83 protected function doContains($id)
Chris@0 84 {
Chris@0 85 return (bool) $this->client->exists($id);
Chris@0 86 }
Chris@0 87
Chris@0 88 /**
Chris@0 89 * {@inheritdoc}
Chris@0 90 */
Chris@0 91 protected function doSave($id, $data, $lifeTime = 0)
Chris@0 92 {
Chris@0 93 $data = serialize($data);
Chris@0 94 if ($lifeTime > 0) {
Chris@0 95 $response = $this->client->setex($id, $lifeTime, $data);
Chris@0 96 } else {
Chris@0 97 $response = $this->client->set($id, $data);
Chris@0 98 }
Chris@0 99
Chris@0 100 return $response === true || $response == 'OK';
Chris@0 101 }
Chris@0 102
Chris@0 103 /**
Chris@0 104 * {@inheritdoc}
Chris@0 105 */
Chris@0 106 protected function doDelete($id)
Chris@0 107 {
Chris@0 108 return $this->client->del($id) >= 0;
Chris@0 109 }
Chris@0 110
Chris@0 111 /**
Chris@0 112 * {@inheritdoc}
Chris@0 113 */
Chris@0 114 protected function doFlush()
Chris@0 115 {
Chris@0 116 $response = $this->client->flushdb();
Chris@0 117
Chris@0 118 return $response === true || $response == 'OK';
Chris@0 119 }
Chris@0 120
Chris@0 121 /**
Chris@0 122 * {@inheritdoc}
Chris@0 123 */
Chris@0 124 protected function doGetStats()
Chris@0 125 {
Chris@0 126 $info = $this->client->info();
Chris@0 127
Chris@0 128 return array(
Chris@0 129 Cache::STATS_HITS => $info['Stats']['keyspace_hits'],
Chris@0 130 Cache::STATS_MISSES => $info['Stats']['keyspace_misses'],
Chris@0 131 Cache::STATS_UPTIME => $info['Server']['uptime_in_seconds'],
Chris@0 132 Cache::STATS_MEMORY_USAGE => $info['Memory']['used_memory'],
Chris@0 133 Cache::STATS_MEMORY_AVAILABLE => false
Chris@0 134 );
Chris@0 135 }
Chris@0 136 }