RDS\Hydrogen\Processor\DatabaseProcessor\Builder

Complexity

Total Complexity

6

Size/Duplication

Total Lines	64
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Test Coverage

Coverage

68.75%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	meta()	0	4	1
A	execute()	0	4	1
A	nothing()	0	6	2
A	extractResult()	0	6	1

<?php
/**
 * This file is part of Hydrogen package.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
declare(strict_types=1);

namespace RDS\Hydrogen\Processor\DatabaseProcessor;

use Doctrine\ORM\Mapping\ClassMetadata;
use RDS\Hydrogen\Processor\BuilderInterface;
use RDS\Hydrogen\Processor\ProcessorInterface;
use RDS\Hydrogen\Query;

/**
 * Class Builder
 */
abstract class Builder implements BuilderInterface
{
    /**
     * @var ProcessorInterface
     */
    protected $processor;

    /**
     * @var ClassMetadata
     */
    protected $meta;

    /**
     * Builder constructor.
     * @param ClassMetadata $meta
     * @param ProcessorInterface $processor
     */
    public function __construct(ClassMetadata $meta, ProcessorInterface $processor)
    {
        $this->meta = $meta;
        $this->processor = $processor;
    }

    /**
     * @param string $entity
     * @return ClassMetadata
     */
    protected function meta(string $entity): ClassMetadata
    {
        return $this->processor->getEntityManager()->getClassMetadata($entity);
    }

    /**
     * @param string $entity
     * @param Query $query
     * @return iterable
     */
    protected function execute(string $entity, Query $query): iterable
    {
        return $this->processor->getProcessor($entity)->getResult($query);
    }

    /**
     * @return \Generator
     */
    protected function nothing(): \Generator
    {
        if (false) {
            yield;
        }
    }

    /**
     * @param \Generator $generator
     * @param \Closure $then
     * @return \Generator
     */
    protected function extractResult(\Generator $generator, \Closure $then): \Generator
    {
        yield from $generator;

        $then($generator->getReturn());
    }
}