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<?php
namespace Smart\EtlBundle\Extractor;
use Smart\EtlBundle\Transformer\TransformerInterface;
/**
* Nicolas Bastien <[email protected]>
*/
abstract class AbstractExtractor
{
* @var TransformerInterface[]
protected $transformers = [];
* @param TransformerInterface $transformer
* @return mixed
public function addTransformer(TransformerInterface $transformer)
$this->transformers[] = $transformer;
}
* @param array $data
protected function transformData(array $data)
foreach ($this->transformers as $transformer) {
$data = $transformer->transform($data);
if (is_null($data)) {
//allow transformer to skip invalid data
return null;
return $data;
smartbooster /
etl-bundle
