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<?php
namespace MediaWiki\Tests\Json;
use Wikimedia\JsonCodec\JsonClassCodec;
/**
* Managed object factory which also handles serialization/deserialization
* of the objects it manages.
*
* @implements JsonClassCodec<ManagedObject>
*/
class ManagedObjectFactory implements JsonClassCodec {
/** @var array<string,ManagedObject> Fake database */
private $storage = [];
/**
* Create and store an object with $name and $value in the database.
* @param string $name
* @param int $value
* @return ManagedObject
*/
public function create( string $name, int $value ) {
if ( isset( $this->storage[$name] ) ) {
throw new \Error( "duplicate name" );
}
$this->storage[$name] = $o = new ManagedObject( $name, $value );
return $o;
}
/**
* Lookup $name in the database.
* @param string $name
* @return ManagedObject
*/
public function lookup( string $name ): ManagedObject {
if ( !isset( $this->storage[$name] ) ) {
throw new \Error( "not found" );
}
return $this->storage[$name];
}
/** @inheritDoc */
public function toJsonArray( $obj ): array {
'@phan-var ManagedObject $obj';
// Not necessary to serialize all the properties, since they
// will be reloaded from the "database" during deserialization
return [ 'name' => $obj->name ];
}
/** @inheritDoc */
public function newFromJsonArray( string $className, array $json ): ManagedObject {
// @phan-suppress-next-line PhanTypeMismatchReturn template limitations
return $this->lookup( $json['name'] );
}
/** @inheritDoc */
public function jsonClassHintFor( string $className, string $key ): ?string {
// no hints
return null;
}
}
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