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<?php |
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/** |
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* Platine ORM |
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* |
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* Platine ORM provides a flexible and powerful ORM implementing a data-mapper pattern. |
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* |
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* This content is released under the MIT License (MIT) |
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* |
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* Copyright (c) 2020 Platine ORM |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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/** |
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* @file EntityManager.php |
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* |
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* The EntityManager class |
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* |
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* @package Platine\Orm |
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* @author Platine Developers Team |
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* @copyright Copyright (c) 2020 |
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* @license http://opensource.org/licenses/MIT MIT License |
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* @link https://www.platine-php.com |
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* @version 1.0.0 |
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* @filesource |
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*/ |
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declare(strict_types=1); |
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namespace Platine\Orm; |
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use Platine\Database\Connection; |
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use Platine\Orm\Mapper\EntityMapper; |
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use Platine\Orm\Query\EntityQuery; |
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use ReflectionClass; |
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use ReflectionException; |
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use RuntimeException; |
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/** |
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* @class EntityManager |
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* @package Platine\Orm |
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* @template TEntity as Entity |
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*/ |
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class EntityManager |
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{ |
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/** |
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* The date format |
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* @var string |
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*/ |
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protected string $dateFormat; |
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/** |
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* The cache of already resolved entities mappers |
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* @var array<string, EntityMapper<TEntity>> |
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*/ |
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protected array $entityMappers = []; |
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/** |
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* Create new instance |
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* @param Connection $connection |
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*/ |
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public function __construct(protected Connection $connection) |
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{ |
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$this->dateFormat = $connection->getDriver()->getDateFormat(); |
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} |
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/** |
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* |
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* @return Connection |
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*/ |
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public function getConnection(): Connection |
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{ |
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return $this->connection; |
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} |
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/** |
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* |
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* @return string |
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*/ |
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public function getDateFormat(): string |
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{ |
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return $this->dateFormat; |
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} |
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/** |
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* Get an instance of EntityQuery |
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* @param class-string<TEntity> $entityClass |
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* @return EntityQuery<TEntity> |
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*/ |
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public function query(string $entityClass): EntityQuery |
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{ |
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return new EntityQuery($this, $this->getEntityMapper($entityClass)); |
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} |
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/** |
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* Resolve the entity mapper for the given entity class |
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* @param class-string<TEntity> $entityClass |
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* @return EntityMapper<TEntity> |
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*/ |
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public function getEntityMapper(string $entityClass): EntityMapper |
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{ |
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if (isset($this->entityMappers[$entityClass])) { |
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return $this->entityMappers[$entityClass]; |
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} |
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try { |
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$reflection = new ReflectionClass($entityClass); |
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} catch (ReflectionException $ex) { |
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throw new RuntimeException( |
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sprintf('Error when build the mapper for entity [%s]', $entityClass), |
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0, |
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$ex |
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); |
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} |
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if ($reflection->isSubclassOf(Entity::class) === false) { |
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throw new RuntimeException(sprintf( |
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'[%s] must extend [%s]', |
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$entityClass, |
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Entity::class |
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)); |
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} |
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$mapper = new EntityMapper($entityClass); |
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$callback = $entityClass . '::mapEntity'; |
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if (is_callable($callback)) { |
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$callback($mapper); |
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} |
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return $this->entityMappers[$entityClass] = $mapper; |
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} |
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} |
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platine-php /
orm
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