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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\SortingOrder; |
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use Level23\Druid\Types\BoundOperator; |
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/** |
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* Class BoundFilter |
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* |
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* Bound filters can be used to filter on ranges of dimension values. It can be used for comparison filtering like |
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* greater than, less than, greater than or equal to and less than or equal to. |
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* |
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* @package Level23\Druid\Filters |
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*/ |
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class BoundFilter implements FilterInterface |
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{ |
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protected string $dimension; |
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protected BoundOperator $operator; |
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protected string $value; |
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protected SortingOrder $ordering; |
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/** |
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* BoundFilter constructor. |
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* |
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* @param string $dimension The dimension to filter on |
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* @param string|BoundOperator $operator The operator to use. Use ">", ">=", "<", or "<=" Or use the |
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* BoundOperator constants. |
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* @param string $value The value to compare with. This can either be a numeric or a |
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* string. |
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* @param string|SortingOrder|null $ordering Specifies the sorting order using when comparing values |
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* against the bound. |
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*/ |
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public function __construct( |
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string $dimension, |
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string|BoundOperator $operator, |
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string $value, |
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string|SortingOrder $ordering = null |
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) { |
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if(is_string($ordering)) { |
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$ordering = SortingOrder::from(strtolower($ordering)); |
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} |
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$this->dimension = $dimension; |
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$this->operator = is_string($operator) ? BoundOperator::from($operator) : $operator; |
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$this->value = $value; |
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$this->ordering = $ordering ?? (is_numeric($value) ? SortingOrder::NUMERIC : SortingOrder::LEXICOGRAPHIC); |
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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|bool|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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$result = [ |
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'type' => 'bound', |
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'dimension' => $this->dimension, |
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'ordering' => $this->ordering->value, |
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]; |
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switch ($this->operator) { |
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case BoundOperator::GE: |
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$result['lower'] = $this->value; |
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$result['lowerStrict'] = false; |
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break; |
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case BoundOperator::GT: |
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$result['lower'] = $this->value; |
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$result['lowerStrict'] = true; |
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break; |
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case BoundOperator::LE: |
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$result['upper'] = $this->value; |
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$result['upperStrict'] = false; |
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break; |
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case BoundOperator::LT: |
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$result['upper'] = $this->value; |
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$result['upperStrict'] = true; |
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break; |
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} |
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return $result; |
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} |
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} |
level23 /
druid-client
