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<?php |
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namespace Oliverde8\Component\PhpEtl; |
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use Oliverde8\Component\PhpEtl\Builder\Factories\AbstractFactory; |
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use Oliverde8\Component\PhpEtl\ChainOperation\ChainOperationInterface; |
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use Oliverde8\Component\PhpEtl\Exception\UnknownOperationException; |
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/** |
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* Class ChainBuilder |
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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 |
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*/ |
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class ChainBuilder |
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{ |
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/** @var AbstractFactory[] */ |
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protected $operationFactories; |
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/** |
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* Register a operation factory. |
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* |
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* @param AbstractFactory $factory |
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*/ |
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public function registerFactory(AbstractFactory $factory) |
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{ |
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$this->operationFactories[] = $factory; |
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} |
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/** |
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* Get chain processor from configs. |
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* |
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* @param $configs |
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* |
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* @return ChainProcessor |
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* @throws Exception\ChainBuilderValidationException |
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* @throws UnknownOperationException |
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*/ |
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public function buildChainProcessor($configs) |
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{ |
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$chainOperations = []; |
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foreach ($configs as $id => $operation) { |
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$chainOperations[$id] = $this->getOperationFromConfig($operation); |
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} |
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return new ChainProcessor($chainOperations); |
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} |
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/** |
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* Get chain operation instance from config. |
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* |
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* @param $config |
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* |
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* @return ChainOperationInterface |
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* |
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* @throws Exception\ChainBuilderValidationException |
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* @throws UnknownOperationException |
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*/ |
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protected function getOperationFromConfig($config) |
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{ |
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foreach ($this->operationFactories as $factory) { |
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if ($factory->supports($config['operation'], $config['options'])) { |
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return $factory->getOperation($config['operation'], $config['options']); |
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} |
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} |
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throw new UnknownOperationException("No compatible factories were found for operation '{$config['operation']}'"); |
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} |
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} |
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oliverde8 /
php-etl
