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<?php |
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/** |
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* Cycle DataMapper ORM |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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declare(strict_types=1); |
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namespace Cycle\ORM\Relation; |
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use Cycle\ORM\Exception\RelationException; |
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use Cycle\ORM\Heap\Node; |
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use Cycle\ORM\MapperInterface; |
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use Cycle\ORM\ORMInterface; |
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use Cycle\ORM\Promise\PromiseInterface; |
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use Cycle\ORM\Promise\ReferenceInterface; |
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use Cycle\ORM\Relation; |
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use Cycle\ORM\Schema; |
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use Cycle\ORM\Select\SourceInterface; |
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use Cycle\ORM\Select\SourceProviderInterface; |
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abstract class AbstractRelation implements RelationInterface |
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{ |
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use Traits\ContextTrait; |
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use Relation\Traits\NodeTrait; |
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/** @var ORMInterface|SourceProviderInterface @internal */ |
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protected $orm; |
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/** @var string */ |
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protected $name; |
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/** @var string */ |
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protected $target; |
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/** @var array */ |
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protected $schema; |
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/** @var string */ |
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protected $innerKey; |
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/** @var string */ |
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protected $outerKey; |
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/** |
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* @param ORMInterface $orm |
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* @param string $name |
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* @param string $target |
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* @param array $schema |
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*/ |
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public function __construct(ORMInterface $orm, string $name, string $target, array $schema) |
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{ |
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$this->orm = $orm; |
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$this->name = $name; |
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$this->target = $target; |
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$this->schema = $schema; |
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$this->innerKey = $schema[Relation::INNER_KEY]; |
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$this->outerKey = $schema[Relation::OUTER_KEY]; |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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// this is incorrect class |
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return sprintf('%s(%s)->%s', $this->name, get_class($this), $this->target); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getName(): string |
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{ |
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return $this->name; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function isCascade(): bool |
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{ |
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return $this->schema[Relation::CASCADE] ?? false; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function init(Node $node, array $data): array |
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{ |
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$item = $this->orm->make($this->target, $data, Node::MANAGED); |
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return [$item, $item]; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function extract($data) |
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{ |
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return $data; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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protected function isNullable(): bool |
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{ |
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if (array_key_exists(Relation::NULLABLE, $this->schema)) { |
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return $this->schema[Relation::NULLABLE]; |
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} |
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return false; |
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} |
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/** |
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* Get the source associated with the role. |
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* |
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* @param string|null $role |
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* @return SourceInterface |
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*/ |
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protected function getSource(string $role = null): SourceInterface |
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{ |
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return $this->orm->getSource($role ?? $this->target); |
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} |
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/** |
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* Get the mapper associated with a role. |
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* |
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* @param string|null $role |
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* @return MapperInterface |
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*/ |
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protected function getMapper(string $role = null): MapperInterface |
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{ |
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return $this->orm->getMapper($role ?? $this->target); |
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} |
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/** |
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* @param Node $node |
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* @param string $field |
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* @return string |
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*/ |
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protected function columnName(Node $node, string $field): string |
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{ |
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return $this->orm->getSchema()->define($node->getRole(), Schema::COLUMNS)[$field] ?? $field; |
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} |
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/** |
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* Assert that given entity is allowed for the relation. |
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* |
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* @param Node $related |
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* |
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* @throws RelationException |
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*/ |
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protected function assertValid(Node $related): void |
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{ |
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if ($related->getRole() != $this->target) { |
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throw new RelationException(sprintf('Unable to link %s, given `%s`', $this, $related->getRole())); |
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} |
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} |
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/** |
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* Resolve the reference to the object. |
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* |
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* @param ReferenceInterface $reference |
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* @return mixed|null |
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*/ |
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protected function resolve(ReferenceInterface $reference) |
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{ |
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if ($reference instanceof PromiseInterface) { |
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return $reference->__resolve(); |
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} |
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return $this->orm->get($reference->__role(), $reference->__scope(), true); |
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} |
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} |
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cycle /
orm
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