Completed
Pull Request — master (#17)
by
unknown
01:38
created

QueryExtractor::extract()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 12
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 12
rs 9.4285
c 0
b 0
f 0
cc 2
eloc 6
nc 2
nop 0
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<?php
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namespace Extraload\Extractor\Doctrine;
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use Doctrine\DBAL\Connection;
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use Extraload\Extractor\ExtractorInterface;
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class QueryExtractor implements ExtractorInterface
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{
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    private $position = 0;
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    private $data;
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    public function __construct(Connection $conn, string $sql)
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    {
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        $this->position = 0;
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        $this->data = $conn->query($sql)->fetchAll();
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    }
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    public function extract()
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    {
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        if ($this->position >= count($this->data)) {
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            return;
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        }
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        $data = $this->current();
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        $this->next();
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        return $data;
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    }
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    public function current()
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    {
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        return $this->data[$this->position];
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    }
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    public function key()
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    {
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        return $this->position;
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    }
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    public function next()
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    {
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        $this->position += 1;
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    }
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    public function rewind()
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    {
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        $this->position = 0;
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    }
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    public function valid()
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    {
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        return isset($this->data[$this->position]);
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    }
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}
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