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<?php |
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declare(strict_types=1); |
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namespace Cycle\ORM\Select\Loader; |
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use Cycle\Database\Query\SelectQuery; |
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use Cycle\ORM\FactoryInterface; |
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use Cycle\ORM\Parser\AbstractNode; |
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use Cycle\ORM\Parser\ParentMergeNode; |
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use Cycle\ORM\Select\AbstractLoader; |
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use Cycle\ORM\Select\RootLoader; |
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use Cycle\ORM\Service\SourceProviderInterface; |
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use Cycle\ORM\Relation; |
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use Cycle\ORM\SchemaInterface; |
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use Cycle\ORM\Select\JoinableLoader; |
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use Cycle\ORM\Select\Traits\JoinOneTableTrait; |
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/** |
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* Load parent data. |
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* |
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* @internal |
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*/ |
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class ParentLoader extends JoinableLoader |
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{ |
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use JoinOneTableTrait; |
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/** |
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* Default set of relation options. Child implementation might defined their of default options. |
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*/ |
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protected array $options = [ |
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'load' => true, |
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'constrain' => true, |
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'method' => self::INLOAD, |
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'minify' => true, |
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'as' => null, |
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'using' => null, |
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]; |
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public function __construct( |
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SchemaInterface $ormSchema, |
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SourceProviderInterface $sourceProvider, |
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FactoryInterface $factory, |
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string $role, |
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string $target |
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) { |
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$schemaArray = [ |
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Relation::INNER_KEY => $ormSchema->define($role, SchemaInterface::PRIMARY_KEY), |
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Relation::OUTER_KEY => $ormSchema->define($role, SchemaInterface::PARENT_KEY) |
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?? $ormSchema->define($target, SchemaInterface::PRIMARY_KEY), |
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]; |
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$this->options['as'] ??= $target; |
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parent::__construct($ormSchema, $sourceProvider, $factory, $role, $target, $schemaArray); |
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} |
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protected function generateSublassLoaders(): iterable |
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{ |
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return []; |
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} |
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public function configureQuery(SelectQuery $query, array $outerKeys = []): SelectQuery |
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{ |
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if ($this->options['using'] !== null) { |
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// use pre-defined query |
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return parent::configureQuery($query, $outerKeys); |
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} |
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$this->configureParentQuery($query, $outerKeys); |
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return parent::configureQuery($query); |
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} |
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protected function getJoinMethod(): string |
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{ |
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return 'INNER'; |
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} |
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protected function calculateAlias(AbstractLoader $parent): string |
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{ |
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$alias = parent::calculateAlias($parent); |
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if ($parent instanceof RootLoader) { |
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return 'parent_' . $alias; |
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} |
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return $alias; |
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} |
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protected function initNode(): AbstractNode |
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{ |
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return new ParentMergeNode( |
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$this->target, |
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$this->columnNames(), |
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(array)$this->define(SchemaInterface::PRIMARY_KEY), |
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(array)$this->schema[Relation::OUTER_KEY], |
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(array)$this->schema[Relation::INNER_KEY] |
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); |
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} |
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} |
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cycle /
orm
