ORMBatchProcessor::getIterator() - Code Metrics - kbond/porpaginas - Measure and Improve Code Quality continuously with Scrutinizer

ORMBatchProcessor::getIterator() A
last analyzed 2020-12-16 13:10 UTC

↳ Parent: ORMBatchProcessor

Complexity

Conditions	3
Paths	3

Size

Total Lines	23
Code Lines	14

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	3.0884

Importance

Changes

Metric	Value
cc	3
eloc	14
nc	3
nop	0
dl	0
loc	23
rs	9.7998
c	0
b	0
f	0
ccs	11
cts	14
cp	0.7856
crap	3.0884

<?php

namespace Zenstruck\Porpaginas\Doctrine\Batch;

use Doctrine\ORM\EntityManagerInterface;
use Doctrine\ORM\Internal\Hydration\IterableResult;

/**
 * @author Marco Pivetta <[email protected]>
 * @author Kevin Bond <[email protected]>
 */
final class ORMBatchProcessor implements \IteratorAggregate
{
    private iterable $items;
    private EntityManagerInterface $em;
    private int $chunkSize;

    public function __construct(iterable $items, EntityManagerInterface $em, int $chunkSize = 100)
    {
        if ($items instanceof IterableResult) {
            $items = new ORMIterableResultDecorator($items);
        }

        $this->items = $items;
        $this->em = $em;
        $this->chunkSize = $chunkSize;
    }

    public function getIterator(): \Traversable
    {
        $logger = $this->em->getConfiguration()->getSQLLogger();
        $this->em->getConfiguration()->setSQLLogger(null);
        $this->em->beginTransaction();

        $iteration = 0;

        try {
            foreach ($this->items as $key => $value) {
                yield $key => $value;

                $this->flushAndClearBatch(++$iteration);
            }
        } catch (\Throwable $exception) {
            $this->em->rollback();

            throw $exception;
        }

        $this->flushAndClear();
        $this->em->commit();
        $this->em->getConfiguration()->setSQLLogger($logger);
    }

    private function flushAndClearBatch(int $iteration): void
    {
        if ($iteration % $this->chunkSize) {
            return;
        }

        $this->flushAndClear();
    }

    private function flushAndClear(): void
    {
        $this->em->flush();
        $this->em->clear();
    }
}


1		<?php
2
3		namespace Zenstruck\Porpaginas\Doctrine\Batch;
4
5		use Doctrine\ORM\EntityManagerInterface;
6		use Doctrine\ORM\Internal\Hydration\IterableResult;
7
8		/**
9		* @author Marco Pivetta <[email protected]>
10		* @author Kevin Bond <[email protected]>
11		*/
12		final class ORMBatchProcessor implements \IteratorAggregate
13		{
14		private iterable $items;
15		private EntityManagerInterface $em;
16		private int $chunkSize;
17
18	16	public function __construct(iterable $items, EntityManagerInterface $em, int $chunkSize = 100)
19		{
20	16	if ($items instanceof IterableResult) {
21		$items = new ORMIterableResultDecorator($items);
22		}
23
24	16	$this->items = $items;
25	16	$this->em = $em;
26	16	$this->chunkSize = $chunkSize;
27	16	}
28
29	16	public function getIterator(): \Traversable
30		{
31	16	$logger = $this->em->getConfiguration()->getSQLLogger();
32	16	$this->em->getConfiguration()->setSQLLogger(null);
33	16	$this->em->beginTransaction();
34
35	16	$iteration = 0;
36
37		try {
38	16	foreach ($this->items as $key => $value) {
39	16	yield $key => $value;
40
41	16	$this->flushAndClearBatch(++$iteration);
42		}
43		} catch (\Throwable $exception) {
44		$this->em->rollback();
45
46		throw $exception;
47		}
48
49	16	$this->flushAndClear();
50	16	$this->em->commit();
51	16	$this->em->getConfiguration()->setSQLLogger($logger);
52	16	}
53
54	16	private function flushAndClearBatch(int $iteration): void
55		{
56	16	if ($iteration % $this->chunkSize) {
57	16	return;
58		}
59
60	7	$this->flushAndClear();
61	7	}
62
63	16	private function flushAndClear(): void
64		{
65	16	$this->em->flush();
66	16	$this->em->clear();
67	16	}
68		}
69

kbond / porpaginas

ORMBatchProcessor::getIterator() A last analyzed 2020-12-16 13:10 UTC

Complexity

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ORMBatchProcessor::getIterator() A
last analyzed 2020-12-16 13:10 UTC