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<?php |
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declare(strict_types=1); |
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namespace Stratadox\Hydration\Mapper\Instruction\Relation; |
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use function class_exists; |
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use function class_implements; |
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use function in_array; |
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use Stratadox\Collection\Alterable; |
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use Stratadox\Hydration\Mapper\NoContainerAvailable; |
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use Stratadox\Hydration\Mapper\NoLoaderAvailable; |
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use Stratadox\Hydration\Mapper\NoSuchClass; |
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use Stratadox\Hydration\Mapping\Property\Relationship\HasManyNested; |
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use Stratadox\Hydration\Mapping\Property\Relationship\HasManyProxies; |
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use Stratadox\Hydration\Mapping\Property\Relationship\HasOneProxy; |
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use Stratadox\HydrationMapper\InvalidMapperConfiguration; |
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use Stratadox\HydrationMapping\MapsProperty; |
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use Stratadox\Hydrator\ArrayHydrator; |
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use Stratadox\Hydrator\Hydrates; |
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use Stratadox\Hydrator\SimpleHydrator; |
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use Stratadox\Hydrator\VariadicConstructor; |
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use Stratadox\Instantiator\CannotInstantiateThis; |
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use Stratadox\Proxy\AlterableCollectionEntryUpdaterFactory; |
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use Stratadox\Proxy\ArrayEntryUpdaterFactory; |
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use Stratadox\Proxy\ProducesOwnerUpdaters; |
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use Stratadox\Proxy\PropertyUpdaterFactory; |
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use Stratadox\Proxy\Proxy; |
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use Stratadox\Proxy\ProxyFactory; |
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/** |
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* Indicates a polygamic relationship in the property. |
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* |
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* @package Stratadox\Hydrate |
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* @author Stratadox |
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*/ |
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final class HasMany extends Relationship |
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{ |
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/** @inheritdoc */ |
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public function followFor(string $property): MapsProperty |
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{ |
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if ($this->shouldNest) { |
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return $this->manyNestedInThe($property); |
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} |
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if ($this->isImplementingThe(Proxy::class, $this->class)) { |
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return $this->manyProxiesInThe($property); |
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} |
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return $this->oneProxyInThe($property); |
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} |
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/** |
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* Maps an eagerly loaded collection from a nested data set. |
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* |
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* @param string $property The property that gets a nested eager relationship. |
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* @return MapsProperty The resulting property mapping. |
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* @throws InvalidMapperConfiguration |
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*/ |
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private function manyNestedInThe(string $property): MapsProperty |
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{ |
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if (null !== $this->container && !class_exists($this->container)) { |
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throw NoSuchClass::couldNotLoadCollection($this->container); |
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} |
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return $this->addConstraintTo(HasManyNested::inPropertyWithDifferentKey( |
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$property, |
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$this->keyOr($property), |
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$this->container(), |
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$this->hydrator() |
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)); |
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} |
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/** |
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* Maps an extra lazily loaded collection as list of proxies. |
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* |
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* @param string $property The property that gets an extra lazy relationship. |
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* @return MapsProperty The resulting property mapping. |
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* @throws InvalidMapperConfiguration |
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*/ |
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private function manyProxiesInThe(string $property): MapsProperty |
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{ |
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if (null === $this->loader) { |
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throw NoLoaderAvailable::whilstRequiredFor($this->class); |
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} |
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return $this->addConstraintTo(HasManyProxies::inPropertyWithDifferentKey( |
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$property, |
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$this->keyOr($property), |
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$this->container(), |
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ProxyFactory::fromThis( |
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SimpleHydrator::forThe($this->class), |
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$this->loader, |
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$this->updaterFactory() |
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) |
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)); |
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} |
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/** |
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* Maps a lazily loaded collection as a single proxy. |
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* |
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* @param string $property The property that gets a lazy relationship. |
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* @return MapsProperty The resulting property mapping. |
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* @throws InvalidMapperConfiguration |
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*/ |
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private function oneProxyInThe(string $property): MapsProperty |
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{ |
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if (null === $this->loader) { |
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throw NoLoaderAvailable::whilstRequiredFor($this->class); |
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} |
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if (null === $this->container) { |
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throw NoContainerAvailable::whilstRequiredFor($this->class); |
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} |
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try { |
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return HasOneProxy::inProperty($property, |
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ProxyFactory::fromThis( |
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SimpleHydrator::forThe($this->container), |
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$this->loader, |
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new PropertyUpdaterFactory |
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) |
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); |
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} catch (CannotInstantiateThis $problem) { |
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throw NoSuchClass::couldNotLoadCollection($this->container); |
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} |
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} |
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/** |
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* @return Hydrates The hydrator for the collection container. |
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*/ |
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private function container(): Hydrates |
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{ |
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if (null !== $this->container) { |
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return VariadicConstructor::forThe($this->container); |
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} |
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return ArrayHydrator::create(); |
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} |
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/** |
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* @return ProducesOwnerUpdaters The relevant updater factory. |
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*/ |
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private function updaterFactory(): ProducesOwnerUpdaters |
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{ |
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if ($this->isImplementingThe(Alterable::class, $this->container)) { |
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return new AlterableCollectionEntryUpdaterFactory; |
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} |
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return new ArrayEntryUpdaterFactory; |
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} |
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/** |
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* @param string $interface The interface name. |
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* @param null|string $class The class name. |
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* @return bool Whether the class implements the interface. |
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*/ |
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private function isImplementingThe(string $interface, ?string $class): bool |
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{ |
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return null !== $class |
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&& class_exists($class) |
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&& in_array($interface, class_implements($class)); |
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} |
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} |
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Stratadox /
HydrationMapper
