Passed
Pull Request — master (#38)
by Teye
07:11
created

FlattenFieldType::validate()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 11
Code Lines 6

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 7
CRAP Score 2

Importance

Changes 1
Bugs 0 Features 0
Metric Value
eloc 6
c 1
b 0
f 0
dl 0
loc 11
ccs 7
cts 7
cp 1
rs 10
cc 2
nc 2
nop 1
crap 2
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<?php
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declare(strict_types=1);
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namespace Level23\Druid\Types;
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use InvalidArgumentException;
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/**
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 * Class FlattenFieldType
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 *
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 * @package Level23\Druid\Types
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 */
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final class FlattenFieldType extends Enum
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{
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    /**
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     * root, referring to a field at the root level of the record. Only really useful if useFieldDiscovery is false.
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     */
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    public const ROOT = 'root';
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    /**
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     * referring to a field using JsonPath notation. Supported by most data formats that offer nesting, including avro,
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     * json, orc, and parquet.
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     *
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     * @see https://github.com/json-path/JsonPath
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     */
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    public const PATH = 'path';
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    /**
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     * referring to a field using jackson-jq notation. Only supported for the json format
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     *
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     * @see https://github.com/eiiches/jackson-jq
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     */
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    public const JQ = 'jq';
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    /**
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     * @param string $flattenFieldType
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     *
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     * @return string
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     * @throws InvalidArgumentException
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     */
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    public static function validate(string $flattenFieldType): string
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    {
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        $flattenFieldType = strtolower($flattenFieldType);
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        if (!FlattenFieldType::isValidValue($flattenFieldType)) {
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            throw new InvalidArgumentException(
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                'The given flatten field type is invalid: ' . $flattenFieldType . '. ' .
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                'Allowed are: ' . implode(', ', FlattenFieldType::values())
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            );
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        }
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        return $flattenFieldType;
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    }
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}