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<?php declare(strict_types = 1); | |
/* | |
* Copyright (c) 2019, Josef Kufner <josef@kufner.cz> | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
* | |
*/ | |
namespace Smalldb\StateMachine\SqlExtension; | |
use Doctrine\DBAL\Connection; | |
use Smalldb\StateMachine\AbstractSmalldbRepository; | |
use Smalldb\StateMachine\ReferenceInterface; | |
use Smalldb\StateMachine\Smalldb; | |
use Smalldb\StateMachine\SmalldbRepositoryInterface; | |
use Smalldb\StateMachine\SqlExtension\ReferenceDataSource\DataSource; | |
use Smalldb\StateMachine\SqlExtension\ReferenceDataSource\ReferenceQueryBuilder; | |
/** | |
* Class AbstractSqlRepository | |
* | |
* This class implements a simple repository of a single entity class. | |
*/ | |
abstract class AbstractSqlRepository extends AbstractSmalldbRepository implements SmalldbRepositoryInterface | |
{ | |
protected Connection $db; | |
private ?DataSource $dataSource = null; | |
public function __construct(Smalldb $smalldb, Connection $db) | |
{ | |
parent::__construct($smalldb); | |
$this->db = $db; | |
} | |
protected function getDataSource(): DataSource | |
{ | |
return $this->dataSource ?? ($this->dataSource = $this->createDataSource()); | |
} | |
protected function createDataSource(): DataSource | |
{ | |
return new DataSource(null, $this->smalldb, $this->getMachineProvider(), $this->db); | |
} | |
protected function createQueryBuilder(string $tableAlias = 'this'): ReferenceQueryBuilder | |
{ | |
return $this->getDataSource()->createQueryBuilder($tableAlias) | |
->addSelectFromStatements(); | |
} | |
/** | |
* Create a reference to a state machine identified by $id. | |
* Override this method to use a proper return type hint. | |
*/ | |
public function ref($id): ReferenceInterface | |
{ | |
return $this->getDataSource()->ref($id); | |
} | |
} |