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<?php |
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declare(strict_types=1); |
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namespace SlayerBirden\DataFlow; |
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use SlayerBirden\DataFlow\Pipe\Copy; |
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use SlayerBirden\DataFlow\Pipe\Delete; |
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use SlayerBirden\DataFlow\Pipe\Filter; |
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use SlayerBirden\DataFlow\Pipe\FilterCallbackInterface; |
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use SlayerBirden\DataFlow\Pipe\Map; |
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use SlayerBirden\DataFlow\Pipe\MapperCallbackInterface; |
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use SlayerBirden\DataFlow\Pipe\Swap; |
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class PipelineBuilder implements PipelineBuilderInterface |
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{ |
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/** |
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* @var PipeLineInterface |
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*/ |
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private $pipeline; |
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private $pipesCount = 0; |
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/** |
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* @var EmitterInterface |
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*/ |
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private $emitter; |
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public function __construct(EmitterInterface $emitter) |
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{ |
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$this->pipeline = new PipeLine(); |
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$this->emitter = $emitter; |
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} |
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/** |
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* Add arbitrary (not pre-defined) section to pipeline. |
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* |
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* @param PipeInterface $handler |
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* @param int $priority |
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* @return PipelineBuilder |
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*/ |
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public function addSection(PipeInterface $handler, int $priority = 0): PipelineBuilder |
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{ |
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$this->pipeline->insert($handler, $priority); |
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$this->pipesCount++; |
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return $this; |
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} |
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public function map(string $field, MapperCallbackInterface $callback, ?string $id = null): PipelineBuilder |
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{ |
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if (!$id) { |
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$id = 'mapper' . $this->pipesCount++ . '-' . $field; |
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} |
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return $this->addSection(new Map($id, $field, $callback)); |
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} |
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public function filter(FilterCallbackInterface $callback, ?string $id = null): PipelineBuilder |
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{ |
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if (!$id) { |
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$id = 'filter' . $this->pipesCount++ . '-' . get_class($callback); |
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} |
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return $this->addSection(new Filter($id, $callback)); |
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} |
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public function delete(array $names, ?string $id = null): PipelineBuilder |
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{ |
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if (!$id) { |
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$id = 'delete' . $this->pipesCount++ . '-' . json_encode($names); |
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} |
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return $this->addSection(new Delete($id, ...$names)); |
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} |
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public function swap(string $first, string $second, ?string $id = null): PipelineBuilder |
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{ |
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if (!$id) { |
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$id = 'swap' . $this->pipesCount++ . '-' . $first . '-' . $second; |
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} |
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return $this->addSection(new Swap($id, $first, $second)); |
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} |
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public function cp(string $from, string $to, ?string $id = null): PipelineBuilder |
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{ |
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if (!$id) { |
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$id = 'copy' . $this->pipesCount++ . '-' . $from . '-' . $to; |
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} |
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return $this->addSection(new Copy($id, $from, $to)); |
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} |
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public function build(): PipeLineInterface |
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{ |
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return $this->pipeline; |
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} |
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} |
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SlayerBirden /
dataflow
