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<?php |
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namespace Cmp\Cache\Infrastructure; |
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use Cmp\Cache\Domain\Cache; |
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use Cmp\Cache\Domain\ExceptionsException; |
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use Cmp\Cache\Domain\Exceptions\NotFoundException; |
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use Exception; |
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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 |
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*/ |
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class RedisCache implements Cache |
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{ |
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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 = $client; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($key) |
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{ |
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try { |
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$this->client->delete($key); |
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} catch (Exception $exception) { |
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throw new BackendException("Redis raised an exception deleting item $key", $exception); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($key, $value, $timeToLive = 0) |
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{ |
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try { |
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if ($timeToLive > 0) { |
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$this->client->setex($key, $timeToLive, $value); |
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} else { |
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$this->client->set($key, $value); |
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} |
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} catch (Exception $exception) { |
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throw new BackendException("Redis raised an exception setting item $key", $exception); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($key) |
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{ |
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try { |
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return $this->client->exists($key); |
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} catch (Exception $exception) { |
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throw new BackendException("Redis raised an exception checking for item $key", $exception); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get($key) |
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{ |
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try { |
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$value = $this->client->get($key); |
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if (!$value && !$this->client->exists($key)) { |
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throw new NotFoundException($key); |
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} |
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return $value; |
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} catch (NotFoundException $exception) { |
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throw $exception; |
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} catch (Exception $exception) { |
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throw new BackendException("Redis raised an exception getting item $key", $exception); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function pull($key, $default = null) |
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{ |
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try { |
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return $this->get($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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CMProductions /
cache
