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<?php |
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namespace Kaliop\eZMigrationBundle\Core\Executor; |
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use Kaliop\eZMigrationBundle\API\Collection\AbstractCollection; |
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use Kaliop\eZMigrationBundle\API\Exception\InvalidMatchResultsNumberException; |
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use Kaliop\eZMigrationBundle\API\Exception\InvalidStepDefinitionException; |
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use Kaliop\eZMigrationBundle\API\ReferenceBagInterface; |
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use Kaliop\eZMigrationBundle\API\Value\MigrationStep; |
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/** |
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* A trait to be used by Executors which has code useful to set values to references. |
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* @todo add a method that validates the 'references' key. Atm all we can check is that it is an array (we could as well |
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* reject empty reference arrays in fact) |
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*/ |
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trait ReferenceSetterTrait |
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{ |
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protected function addReference($identifier, $value, $overwrite = false) |
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{ |
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/** @var ReferenceBagInterface $this->referenceResolver */ |
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return $this->referenceResolver->addReference($identifier, $value, $overwrite); |
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} |
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/** |
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* Allows to have refs defined using two syntax variants: |
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* - { identifier: xxx, attribute: yyy, overwrite: bool } |
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* or |
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* identifier: attribute |
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* @param $key |
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* @param $value |
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* @return array |
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* @throws InvalidStepDefinitionException |
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* |
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* @todo should we resolve references in ref identifiers, attributes and overwrite? Inception! :-D |
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*/ |
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protected function parseReferenceDefinition($key, $value) |
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{ |
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if (is_string($key) && is_string($value)) { |
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return array('identifier' => $key, 'attribute' => $value); |
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} |
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if (!is_array($value) || !isset($value['identifier']) || ! isset($value['attribute'])) { |
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throw new InvalidStepDefinitionException("Invalid reference definition for reference number $key"); |
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} |
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return $value; |
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} |
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/** |
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* Valid reference values are either scalars or nested arrays. No objects, no resources. |
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* @param mixed $value |
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* @return bool |
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*/ |
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protected function isValidReferenceValue($value) |
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{ |
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if (is_scalar($value)) { |
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return true; |
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} |
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if (is_object($value) || is_resource($value)) { |
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return false; |
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} |
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foreach($value as $subValue) { |
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if (!$this->isValidReferenceValue($subValue)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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} |
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kaliop-uk /
ezmigrationbundle
