AbstractExtractor::addTransformer()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 1
Bugs 1 Features 0
Metric Value
cc 1
eloc 1
c 1
b 1
f 0
nc 1
nop 1
dl 0
loc 3
ccs 2
cts 2
cp 1
crap 1
rs 10
1
<?php
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namespace Smart\EtlBundle\Extractor;
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use Smart\EtlBundle\Transformer\TransformerInterface;
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/**
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 * Nicolas Bastien <[email protected]>
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 */
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abstract class AbstractExtractor
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{
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    /**
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     * @var TransformerInterface[]
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     */
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    protected $transformers = [];
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    /**
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     * @param TransformerInterface $transformer
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     * @return mixed
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     */
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    public function addTransformer(TransformerInterface $transformer)
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    {
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        $this->transformers[] = $transformer;
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    }
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    /**
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     * @param  array $data
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     * @return mixed
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     */
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    protected function transformData(array $data)
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    {
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        foreach ($this->transformers as $transformer) {
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            $data = $transformer->transform($data);
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            if (is_null($data)) {
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                //allow transformer to skip invalid data
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                return null;
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            }
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        }
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        return $data;
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    }
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}
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