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<?php
declare( strict_types = 1 );
namespace MediaWiki\Extension\Translate\Cache;
use DateTime;
use InvalidArgumentException;
/**
* Represents a single result from the persistent cache
* @author Abijeet Patro
* @license GPL-2.0-or-later
* @since 2020.12
*/
class PersistentCacheEntry {
private const MAX_KEY_LENGTH = 255;
private const MAX_TAG_LENGTH = 255;
/** @var string */
private $key;
/** @var mixed */
private $value;
/** @var int|null */
private $exptime;
/** @var string|null */
private $tag;
public function __construct(
string $key,
$value = null,
int $exptime = null,
string $tag = null
) {
if ( strlen( $key ) > self::MAX_KEY_LENGTH ) {
throw new InvalidArgumentException(
"The length of key: $key is greater than allowed " . self::MAX_KEY_LENGTH
);
}
if ( $tag && strlen( $tag ) > self::MAX_TAG_LENGTH ) {
throw new InvalidArgumentException(
"The length of tag: $tag is greater than allowed " . self::MAX_TAG_LENGTH
);
}
$this->key = $key;
$this->value = $value;
$this->exptime = $exptime;
$this->tag = $tag;
}
public function key(): string {
return $this->key;
}
/** @return mixed */
public function value() {
return $this->value;
}
public function exptime(): ?int {
return $this->exptime;
}
public function tag(): ?string {
return $this->tag;
}
public function hasExpired(): bool {
if ( $this->exptime ) {
return $this->exptime < ( new DateTime() )->getTimestamp();
}
return false;
}
}
class_alias( PersistentCacheEntry::class, '\MediaWiki\Extensions\Translate\PersistentCacheEntry' );
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