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<?php declare(strict_types=1); |
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namespace Stratadox\EntityState\Internal; |
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use function in_array; |
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use function is_object; |
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use Stratadox\IdentityMap\MapsObjectsByIdentity as Map; |
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use Stratadox\IdentityMap\NoSuchObject; |
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final class ExtractionRequest |
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{ |
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private $value; |
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private $owner; |
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private $name; |
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private $map; |
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private $visited; |
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private $newEntities; |
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private function __construct( |
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$value, |
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object $owner, |
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Name $name, |
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Map $map, |
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Visited $visited, |
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object ...$newEntities |
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) { |
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$this->value = $value; |
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$this->owner = $owner; |
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$this->name = $name; |
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$this->map = $map; |
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$this->visited = $visited; |
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$this->newEntities = $newEntities; |
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} |
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public static function for($entity, Map $identityMap, object ...$newEntities): self |
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{ |
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return new self( |
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$entity, |
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$entity, |
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Name::start(), |
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$identityMap, |
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Visited::noneYet(), |
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...$newEntities |
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); |
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} |
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public function value() |
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{ |
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return $this->value; |
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} |
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public function isTheOwner(): bool |
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{ |
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return $this->value === $this->owner; |
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} |
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public function objectName(): Name |
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{ |
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return $this->name->for($this->value); |
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} |
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public function nameForCounting(): Name |
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{ |
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return $this->name->toCount($this->value); |
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} |
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public function name(): Name |
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{ |
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return $this->name; |
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} |
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public function pointsToAnotherEntity(): bool |
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{ |
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return $this->pointsToAKnownEntity() && !$this->isTheOwner(); |
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} |
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public function pointsToAKnownEntity(): bool |
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{ |
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return is_object($this->value) && ( |
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$this->map->hasThe($this->value) || |
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in_array($this->value, $this->newEntities, true) |
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); |
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} |
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/** @throws NoSuchObject */ |
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public function otherEntityId(): string |
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{ |
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return $this->map->idOf($this->value); |
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} |
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public function isRecursive(): bool |
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{ |
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return $this->visited->already($this->value); |
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} |
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public function visitedName(): string |
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{ |
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return $this->visited->name($this->value); |
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} |
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public function withVisitation(): self |
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{ |
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$new = clone $this; |
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$new->visited = $this->visited->add($this->value, $this->name); |
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return $new; |
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} |
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public function forCollectionItem( |
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iterable $collection, |
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string $key, |
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$value |
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): self { |
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$new = clone $this; |
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$new->value = $value; |
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$new->name = $this->name->forItem($collection, $key); |
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return $new; |
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} |
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public function forProperty(ReflectionProperty $property): self |
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{ |
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$new = clone $this; |
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$new->value = $property->getValue($this->value); |
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$new->name = $this->isTheOwner() ? |
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$this->name->forReflected($property) : |
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$this->name->for($this->value)->forReflected($property); |
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return $new; |
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} |
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} |
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Stratadox /
EntityState
