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<?php |
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declare(strict_types=1); |
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namespace Oliverde8\Component\PhpEtl\ChainOperation; |
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use Oliverde8\Component\PhpEtl\ChainProcessor; |
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use Oliverde8\Component\PhpEtl\Item\DataItemInterface; |
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use Oliverde8\Component\PhpEtl\Item\ItemInterface; |
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use Oliverde8\Component\PhpEtl\Item\MixItem; |
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use Oliverde8\Component\PhpEtl\Item\StopItem; |
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use Oliverde8\Component\PhpEtl\Model\ExecutionContext; |
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/** |
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* Class ChainSplitOperation |
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* |
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* @author de Cramer Oliver<[email protected]> |
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* @copyright 2018 Oliverde8 |
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* @package Oliverde8\Component\PhpEtl\ChainOperation |
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*/ |
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class ChainMergeOperation extends AbstractChainOperation implements DataChainOperationInterface |
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{ |
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/** @var ChainProcessor[] */ |
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protected array $chainProcessors; |
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/** |
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* ChainSplitOperation constructor. |
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* |
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* @param ChainProcessor[] $chainProcessors |
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*/ |
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public function __construct(array $chainProcessors) |
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{ |
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$this->chainProcessors = $chainProcessors; |
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} |
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public function processData(DataItemInterface $item, ExecutionContext $context): ItemInterface |
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{ |
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$returnItems = []; |
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foreach ($this->chainProcessors as $chainProcessor) { |
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$returnItems[] = $chainProcessor->processItem($item, 0, $context); |
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} |
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// Nothing to process. |
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return new MixItem($returnItems); |
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} |
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public function processStop(StopItem $item, ExecutionContext $context): ItemInterface |
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{ |
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foreach ($this->chainProcessors as $chainProcessor) { |
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$result = $chainProcessor->processItem($item, 0, $context); |
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if ($result !== $item) { |
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// Return a new stop item in order to continue flushing out data with stop items. |
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$item = new StopItem(); |
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} |
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} |
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return $item; |
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} |
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} |
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oliverde8 /
php-etl
