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<?php |
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/** |
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* Pimf |
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* |
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* @copyright Copyright (c) Gjero Krsteski (http://krsteski.de) |
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* @license http://opensource.org/licenses/MIT MIT License |
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*/ |
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namespace Pimf; |
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use Pimf\DataMapper\Base; |
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/** |
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* Based on PDO it is a general manager for data persistence and object relational mapping. |
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* |
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* @package Pimf |
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* @author Gjero Krsteski <[email protected]> |
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* |
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*/ |
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class EntityManager extends Base |
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{ |
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/** |
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* @var string The namespace name of data-mappers repository. |
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*/ |
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protected $prefix; |
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/** |
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* @param \PDO $pdo |
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* @param string $prefix The data-mappers repository name. |
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*/ |
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public function __construct(\PDO $pdo, $prefix = '\Pimf') |
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{ |
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parent::__construct($pdo); |
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$this->prefix = $prefix . '\DataMapper\\'; |
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} |
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/** |
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* @param string $entity The name of the data-mapper class. |
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* |
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* @return Base |
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* @throws \BadMethodCallException If no entity fount at the repository. |
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*/ |
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public function load($entity) |
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{ |
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$entity = $this->prefix . ucfirst($entity); |
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if (true === $this->identityMap->hasId($entity)) { |
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return $this->identityMap->getObject($entity); |
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} |
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if (!class_exists($entity)) { |
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throw new \BadMethodCallException('entity "' . $entity . '" not found at the data-mapper repository'); |
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} |
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$model = new $entity($this->pdo); |
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$this->identityMap->set($entity, $model); |
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return $this->identityMap->getObject($entity); |
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} |
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/** |
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* @return bool |
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*/ |
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public function beginTransaction() |
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{ |
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return $this->pdo->beginTransaction(); |
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} |
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/** |
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* @return bool |
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*/ |
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public function commitTransaction() |
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{ |
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return $this->pdo->commit(); |
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} |
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/** |
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* @return bool |
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*/ |
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public function rollbackTransaction() |
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{ |
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return $this->pdo->rollBack(); |
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} |
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/** |
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* @param string $entity |
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* |
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* @return Base |
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*/ |
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public function __get($entity) |
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{ |
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return $this->load($entity); |
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} |
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/** |
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* @return Database |
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*/ |
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public function getPDO() |
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{ |
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return $this->pdo; |
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} |
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} |
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gjerokrsteski /
pimf-framework
