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<?php |
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declare(strict_types=1); |
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namespace Level23\Druid\Filters; |
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use Level23\Druid\Types\DataType; |
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class EqualityFilter implements FilterInterface |
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{ |
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protected string $column; |
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protected string|int|float $value; |
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/** |
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* @var \Level23\Druid\Types\DataType |
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*/ |
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protected DataType $matchValueType; |
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/** |
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* Equality Filter constructor. |
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* |
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* @param string $column Input column or virtual column name to filter. |
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* @param string|int|float $value Value to match, must not be null. |
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* @param \Level23\Druid\Types\DataType|null $matchValueType The type of value to match. When not given, we will |
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* auto-detect the value based on the given value. |
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*/ |
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public function __construct( |
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string $column, |
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string|int|float $value, |
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DataType $matchValueType = null |
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) { |
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if (is_null($matchValueType)) { |
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if (is_int($value)) { |
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$matchValueType = DataType::LONG; |
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} elseif (is_float($value)) { |
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$matchValueType = DataType::DOUBLE; |
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} else { |
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$matchValueType = DataType::STRING; |
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} |
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} |
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$this->value = $value; |
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$this->matchValueType = $matchValueType; |
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$this->column = $column; |
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} |
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/** |
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* Return the filter as it can be used in the druid query. |
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* |
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* @return array<string,string|int|float|array<string,string|int|bool|array<mixed>>> |
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*/ |
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public function toArray(): array |
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{ |
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return [ |
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'type' => 'equals', |
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'column' => $this->column, |
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'matchValueType' => $this->matchValueType->value, |
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'matchValue' => $this->value, |
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]; |
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} |
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} |
level23 /
druid-client
