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<?php |
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namespace Daikon\Entity\Entity; |
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use Daikon\Entity\Assert\Assertion; |
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use Daikon\Entity\EntityType\EntityTypeInterface; |
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use Daikon\Entity\Entity\Path\ValuePathParser; |
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use Daikon\Entity\Exception\UnexpectedType; |
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use Daikon\Entity\Exception\UnknownAttribute; |
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use Daikon\Entity\ValueObject\Nil; |
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use Daikon\Entity\ValueObject\ValueObjectInterface; |
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abstract class Entity implements EntityInterface |
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{ |
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/** |
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* @var EntityTypeInterface |
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*/ |
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private $type; |
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/** |
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* @var EntityInterface |
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*/ |
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private $parent; |
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/** |
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* @var ValueObjectMap |
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*/ |
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private $valueObjectMap; |
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/** |
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* @param ValuePathParser |
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*/ |
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private $pathParser; |
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/** |
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* @param mixed[] array |
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* @return EntityInterface |
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*/ |
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public static function fromNative($nativeState): EntityInterface |
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{ |
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$entityType = $nativeState[self::TYPE_KEY]; |
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Assertion::isInstanceOf($entityType, EntityTypeInterface::class); |
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$parent = null; |
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if (isset($nativeState[self::PARENT_KEY])) { |
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$parent = $nativeState[self::PARENT_KEY]; |
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Assertion::isInstanceOf($parent, EntityInterface::class); |
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unset($nativeState[self::PARENT_KEY]); |
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} |
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return new static($entityType, $nativeState, $parent); |
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} |
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public function toNative(): array |
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{ |
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$entityState = $this->valueObjectMap->toNative(); |
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$entityState[self::TYPE_KEY] = $this->getEntityType()->getName(); |
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return $entityState; |
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} |
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public function isSameAs(EntityInterface $entity): bool |
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{ |
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Assertion::isInstanceOf($entity, static::class); |
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return $this->getIdentity()->equals($entity->getIdentity()); |
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} |
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public function withValue(string $attributeName, $value): EntityInterface |
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{ |
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$copy = clone $this; |
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$copy->valueObjectMap = $this->valueObjectMap->withValue($attributeName, $value); |
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return $copy; |
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} |
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public function withValues(array $values): EntityInterface |
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{ |
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$copy = clone $this; |
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$copy->valueObjectMap = $this->valueObjectMap->withValues($values); |
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return $copy; |
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} |
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public function has(string $attributeName): bool |
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{ |
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if (!$this->type->hasAttribute($attributeName)) { |
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throw new UnknownAttribute(sprintf('Attribute "%s" is not known to the entity value-map.', $attributeName)); |
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} |
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return $this->valueObjectMap->has($attributeName); |
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} |
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public function get(string $valuePath): ?ValueObjectInterface |
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{ |
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if (mb_strpos($valuePath, '.')) { |
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return $this->evaluatePath($valuePath); |
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} |
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if (!$this->type->hasAttribute($valuePath)) { |
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throw new UnknownAttribute(sprintf( |
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'Attribute "%s" is unknown to type "%s"', |
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$valuePath, |
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$this->getEntityType()->getName() |
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)); |
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} |
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return $this->valueObjectMap->has($valuePath) ? $this->valueObjectMap->get($valuePath) : null; |
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} |
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public function getEntityRoot(): EntityInterface |
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{ |
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$tmpParent = $this->getEntityParent(); |
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$root = $tmpParent; |
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while ($tmpParent) { |
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$root = $tmpParent; |
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$tmpParent = $tmpParent->getEntityParent(); |
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} |
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return $root ?? $this; |
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} |
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public function getEntityParent(): ?EntityInterface |
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{ |
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return $this->parent; |
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} |
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public function getEntityType(): EntityTypeInterface |
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{ |
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return $this->type; |
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} |
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protected function __construct(EntityTypeInterface $type, array $values = [], EntityInterface $parent = null) |
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{ |
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$this->type = $type; |
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$this->parent = $parent; |
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$this->valueObjectMap = ValueObjectMap::forEntity($this, $values); |
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$this->pathParser = ValuePathParser::create(); |
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} |
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private function evaluatePath($valuePath): ?ValueObjectInterface |
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{ |
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$value = null; |
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$entity = $this; |
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foreach ($this->pathParser->parse($valuePath) as $pathPart) { |
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/* @var EntityInterface $value */ |
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$value = $entity->get($pathPart->getAttributeName()); |
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if ($pathPart->hasPosition()) { |
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$entity = $value->get($pathPart->getPosition()); |
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$value = $entity; |
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} |
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} |
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return $value; |
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} |
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} |
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daikon-cqrs /
entity
