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<?php |
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namespace Ddeboer\DataImport\Reader; |
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use Doctrine\Common\Persistence\ObjectManager; |
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use Doctrine\ORM\Internal\Hydration\IterableResult; |
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use Doctrine\ORM\Query; |
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/** |
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* Reads entities through the Doctrine ORM |
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* |
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* @author David de Boer <[email protected]> |
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*/ |
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class DoctrineReader implements CountableReader |
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{ |
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/** |
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* @var ObjectManager |
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*/ |
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protected $objectManager; |
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/** |
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* @var string |
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*/ |
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protected $objectName; |
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/** |
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* @var IterableResult |
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*/ |
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protected $iterableResult; |
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/** |
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* @param ObjectManager $objectManager |
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* @param string $objectName e.g. YourBundle:YourEntity |
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*/ |
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public function __construct(ObjectManager $objectManager, $objectName) |
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{ |
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$this->objectManager = $objectManager; |
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$this->objectName = $objectName; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFields() |
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{ |
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return $this->objectManager->getClassMetadata($this->objectName) |
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->getFieldNames(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function current() |
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{ |
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return current($this->iterableResult->current()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function next() |
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{ |
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$this->iterableResult->next(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function key() |
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{ |
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return $this->iterableResult->key(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function valid() |
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{ |
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return $this->iterableResult->valid(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function rewind() |
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{ |
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if (!$this->iterableResult) { |
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$query = $this->objectManager->createQuery( |
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sprintf('SELECT o FROM %s o', $this->objectName) |
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); |
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$this->iterableResult = $query->iterate([], Query::HYDRATE_ARRAY); |
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} |
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$this->iterableResult->rewind(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function count() |
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{ |
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$query = $this->objectManager->createQuery( |
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sprintf('SELECT COUNT(o) FROM %s o', $this->objectName) |
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); |
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return $query->getSingleScalarResult(); |
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} |
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} |
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ddeboer /
data-import
