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<?php |
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declare(strict_types=1); |
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namespace RemotelyLiving\PHPCacheAdapter\CacheItemPool; |
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use Psr\Cache; |
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use RemotelyLiving\PHPCacheAdapter\Exceptions; |
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final class CacheItem implements Cache\CacheItemInterface, \Serializable |
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{ |
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private string $key; |
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/** |
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* @var mixed |
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*/ |
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private $value = null; |
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private bool $isHit = false; |
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private ?int $ttl = null; |
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private function __construct() |
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{ |
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} |
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public static function create(string $key): self |
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{ |
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$instance = new self(); |
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$instance->key = $key; |
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return $instance; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getKey(): string |
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{ |
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return $this->key; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function get() |
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{ |
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return $this->value; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function isHit(): bool |
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{ |
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return $this->isHit; |
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} |
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public function setAsHit(): self |
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{ |
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$this->isHit = true; |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function set($value): self |
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{ |
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$this->value = $value; |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function expiresAt($expiration): self |
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{ |
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if ($expiration === null) { |
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$this->ttl = null; |
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return $this; |
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} |
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if (!is_object($expiration) || !($expiration instanceof \DateTimeInterface)) { |
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throw Exceptions\InvalidArgument::invalidTTL(); |
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} |
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$this->ttl = max(0, $expiration->getTimestamp() - time()); |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function expiresAfter($time): self |
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{ |
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if ($time === null) { |
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return $this; |
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} |
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if (is_int($time)) { |
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$this->ttl = (int) $time; |
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return $this; |
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} |
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if (is_object($time) && $time instanceof \DateTimeInterface) { |
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return $this->expiresAt($time); |
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} |
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throw Exceptions\InvalidArgument::invalidTTL(); |
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} |
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public function getTTL(): ?int |
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{ |
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return $this->ttl; |
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} |
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public function unserialize($serialized, array $options = []) |
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{ |
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$unserialized = \unserialize($serialized, $options); |
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$this->key = (string) $unserialized['key']; |
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$this->value = $unserialized['value'] ?? null; |
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$this->ttl = $unserialized['ttl'] ?? null; |
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} |
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public function serialize(): string |
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{ |
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return \serialize([ |
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'key' => $this->key, |
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'value' => $this->value, |
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'ttl' => $this->ttl |
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]); |
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} |
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} |
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remotelyliving /
php-cache-adapter
