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<?php
namespace Palladium\Component;
use RuntimeException;
use PDO;
use Palladium\Contract\CanCreateMapper;
class MapperFactory implements CanCreateMapper
{
private $connection;
private $cache = [];
private $table;
/**
* Creates new factory instance
*
* @param PDO $connection
* @param string $table A list of table name aliases
*/
public function __construct(PDO $connection, string $table)
$this->connection = $connection;
$this->table = $table;
}
* Method for retrieving an SQL data mapper instance
* @param string $className Fully qualified class name of the mapper
* @throws RuntimeException if mapper's class can't be found
* @return DataMapper
public function create(string $className)
if (array_key_exists($className, $this->cache)) {
return $this->cache[$className];
if (!class_exists($className)) {
throw new RuntimeException("Mapper not found. Attempted to load '{$className}'.");
$instance = new $className($this->connection, $this->table);
$this->cache[$className] = $instance;
return $instance;
teresko /
palladium
