SlayerBirden\DataFlow\Plumber

Complexity

Total Complexity

6

Size/Duplication

Total Lines	47
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	5

Test Coverage

Coverage

90%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	6	1
A	pour()	0	21	5

<?php
declare(strict_types=1);

namespace SlayerBirden\DataFlow;

use SlayerBirden\DataFlow\Exception\FlowTerminationException;

class Plumber
{
    /**
     * @var ProviderInterface
     */
    private $source;
    /**
     * @var PipeLineInterface
     */
    private $pipeLine;
    /**
     * @var EmitterInterface
     */
    private $emitter;

    public function __construct(ProviderInterface $source, PipeLineInterface $pipeLine, EmitterInterface $emitter)
    {
        $this->source = $source;
        $this->pipeLine = $pipeLine;
        $this->emitter = $emitter;
    }

    /**
     * Pour source into pipeline.
     */
    public function pour(): void
    {
        $provider = $this->source->getCask();
        foreach ($provider as $dataBag) {
            if ($dataBag instanceof \Throwable) {
                $this->emitter->emit('provider_error', $dataBag->getMessage());
                continue;
            }
            try {
                $this->pipeLine->rewind();
                while ($this->pipeLine->valid()) {
                    $handler = $this->pipeLine->current();
                    $dataBag = $handler->pass($dataBag);
                    $this->pipeLine->next();
                }
            } catch (FlowTerminationException $exception) {
                $this->emitter->emit('valve_closed', $exception->getIdentifier(), $dataBag);
            }
        }
        $this->emitter->emit('empty_cask');
    }
}