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<?php |
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namespace Cmp\Cache\Backend; |
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use Cmp\Cache\Cache; |
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use Cmp\Cache\Exceptions\NotFoundException; |
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use Cmp\Cache\Traits\MultiCacheTrait; |
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use Redis; |
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/** |
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* Class RedisCache |
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* |
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* A redis powered backend for caching |
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* |
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* @package Cmp\Cache\Infrastureture\Backend |
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*/ |
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class RedisCache implements Cache |
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{ |
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use MultiCacheTrait { |
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MultiCacheTrait::setItems as setItemsTrait; |
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} |
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const DEFAULT_HOST = '127.0.0.1'; |
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const DEFAULT_PORT = 6379; |
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const DEFAULT_DB = 0; |
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const DEFAULT_TIMEOUT = 0.0; |
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/** |
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* @var Redis |
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*/ |
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private $client; |
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/** |
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* RedisCache constructor. |
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* |
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* @param Redis $client |
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*/ |
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public function __construct(Redis $client) |
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{ |
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$this->client = $client; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($key, $value, $timeToLive = null) |
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{ |
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if ($timeToLive > 0) { |
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return $this->client->setex($key, $timeToLive, $value); |
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} |
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return $this->client->set($key, $value); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setItems(array $items, $timeToLive = null) |
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{ |
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if (!$timeToLive) { |
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return $this->client->mset($items); |
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} |
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return $this->setItemsTrait($items, $timeToLive); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($key) |
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{ |
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return $this->client->exists($key); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function demand($key) |
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{ |
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$value = $this->client->get($key); |
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if (!$value) { |
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throw new NotFoundException($key); |
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} |
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return $value; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($key, $default = null) |
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{ |
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try { |
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return $this->demand($key); |
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} catch (NotFoundException $exception) { |
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return $default; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getItems(array $keys) |
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{ |
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$items = []; |
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$values = $this->client->mget($keys); |
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foreach ($keys as $index => $key) { |
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$items[$key] = $values[$index] === false ? null : $values[$index]; |
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} |
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return $items; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($key) |
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{ |
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return (bool) $this->client->delete($key); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function deleteItems(array $keys) |
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{ |
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return (bool) call_user_func_array([$this->client, 'delete'], $keys); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function flush() |
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{ |
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return $this->client->flushDB(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getTimeToLive($key) |
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{ |
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$timeToLive = $this->client->ttl($key); |
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return false === $timeToLive || $timeToLive <= 0 ? null : $timeToLive; |
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} |
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} |
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CMProductions /
cache
