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<?php |
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namespace Xml\Impl\Type\Reference; |
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use Xml\Type\Reference\ReferenceInterface; |
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use Xml\Instance\ModelElementInstanceInterface; |
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use Xml\Exception\ModelReferenceException; |
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use Xml\Type\Attribute\AttributeInterface; |
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use Xml\Impl\Type\Attribute\AttributeImpl; |
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use Xml\Impl\Type\ModelElementTypeImpl; |
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abstract class ReferenceImpl implements ReferenceInterface |
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{ |
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protected $referenceTargetAttribute; |
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private $referenceTargetElementType; |
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abstract protected function setReferenceIdentifier( |
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ModelElementInstanceInterface $referenceSourceElement, |
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string $referenceIdentifier |
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): void; |
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/** |
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* @return mixed |
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*/ |
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public function getReferenceTargetElement(ModelElementInstanceInterface $referenceSourceElement) |
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{ |
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$identifier = $this->getReferenceIdentifier($referenceSourceElement); |
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$referenceTargetElement = $referenceSourceElement->getModelInstance()->getModelElementById($identifier); |
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return $referenceTargetElement; |
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} |
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/** |
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* @param ModelElementInstanceInterface $referenceSourceElement |
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* @param mixed $referenceTargetElement |
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*/ |
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public function setReferenceTargetElement( |
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ModelElementInstanceInterface $referenceSourceElement, |
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$referenceTargetElement |
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): void { |
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$modelInstance = $referenceSourceElement->getModelInstance(); |
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$referenceTargetIdentifier = $this->referenceTargetAttribute->getValue($referenceTargetElement); |
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$xml = $modelInstance->getDocument()->getDomSource()->saveXML(); |
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$existingElement = $modelInstance->getModelElementById($referenceTargetIdentifier); |
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if ($existingElement === null || !$existingElement->equals($referenceTargetElement)) { |
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throw new ModelReferenceException("Cannot create reference to model element"); |
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} else { |
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$this->setReferenceIdentifier($referenceSourceElement, $referenceTargetIdentifier); |
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} |
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} |
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public function setReferenceTargetAttribute(AttributeImpl $referenceTargetAttribute): void |
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{ |
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$this->referenceTargetAttribute = $referenceTargetAttribute; |
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} |
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public function getReferenceTargetAttribute(): AttributeInterface |
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{ |
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return $this->referenceTargetAttribute; |
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} |
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public function setReferenceTargetElementType(ModelElementTypeImpl $referenceTargetElementType): void |
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{ |
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$this->referenceTargetElementType = $referenceTargetElementType; |
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} |
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public function findReferenceSourceElements(ModelElementInstanceInterface $referenceTargetElement): array |
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{ |
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if ($this->referenceTargetElementType->isBaseTypeOf($referenceTargetElement->getElementType())) { |
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$owningElementType = $this->getReferenceSourceElementType(); |
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return $referenceTargetElement->getModelInstance()->getModelElementsByType($owningElementType); |
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} else { |
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return []; |
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} |
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} |
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abstract protected function updateReference( |
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ModelElementInstanceInterface $referenceSourceElement, |
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?string $oldIdentifier, |
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string $newIdentifier |
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): void; |
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public function referencedElementUpdated( |
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ModelElementInstanceInterface $referenceTargetElement, |
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?string $oldIdentifier, |
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string $newIdentifier |
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): void { |
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foreach ($this->findReferenceSourceElements($referenceTargetElement) as $referenceSourceElement) { |
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$this->updateReference($referenceSourceElement, $oldIdentifier, $newIdentifier); |
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} |
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} |
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abstract protected function removeReference( |
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ModelElementInstanceInterface $referenceSourceElement, |
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ModelElementInstanceInterface $referenceTargetElement |
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): void; |
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/** |
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* @param ModelElementInstanceInterface $referenceTargetElement |
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* @param mixed $referenceIdentifier |
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*/ |
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public function referencedElementRemoved( |
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ModelElementInstanceInterface $referenceTargetElement, |
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$referenceIdentifier |
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): void { |
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foreach ($this->findReferenceSourceElements($referenceTargetElement) as $referenceSourceElement) { |
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if ($referenceIdentifier == $this->getReferenceIdentifier($referenceSourceElement)) { |
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$this->removeReference($referenceSourceElement, $referenceTargetElement); |
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} |
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} |
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} |
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} |
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bingo-soft /
xml
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