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<?php |
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/* |
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* This file is part of the ONGR package. |
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* |
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* (c) NFQ Technologies UAB <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace ONGR\ElasticsearchDSL\Aggregation\Metric; |
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use ONGR\ElasticsearchDSL\Aggregation\AbstractAggregation; |
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use ONGR\ElasticsearchDSL\Aggregation\Type\MetricTrait; |
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use ONGR\ElasticsearchDSL\ScriptAwareTrait; |
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/** |
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* Difference values counter. |
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* |
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* @link http://goo.gl/tG7ciG |
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*/ |
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class CardinalityAggregation extends AbstractAggregation |
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{ |
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use MetricTrait; |
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use ScriptAwareTrait; |
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/** |
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* @var int |
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*/ |
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private $precisionThreshold; |
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/** |
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* @var bool |
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*/ |
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private $rehash; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getArray() |
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{ |
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$out = array_filter( |
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[ |
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'field' => $this->getField(), |
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'script' => $this->getScript(), |
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'precision_threshold' => $this->getPrecisionThreshold(), |
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'rehash' => $this->isRehash(), |
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], |
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function ($val) { |
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return ($val || is_bool($val)); |
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} |
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); |
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$this->checkRequiredFields($out); |
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return $out; |
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} |
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/** |
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* Precision threshold. |
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* |
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* @param int $precision Precision Threshold. |
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*/ |
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public function setPrecisionThreshold($precision) |
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{ |
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$this->precisionThreshold = $precision; |
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} |
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/** |
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* @return int |
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*/ |
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public function getPrecisionThreshold() |
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{ |
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return $this->precisionThreshold; |
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} |
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/** |
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* @return bool |
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*/ |
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public function isRehash() |
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{ |
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return $this->rehash; |
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} |
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/** |
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* @param bool $rehash |
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*/ |
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public function setRehash($rehash) |
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{ |
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$this->rehash = $rehash; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getType() |
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{ |
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return 'cardinality'; |
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} |
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/** |
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* Checks if required fields are set. |
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* |
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* @param array $fields |
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* |
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* @throws \LogicException |
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*/ |
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private function checkRequiredFields($fields) |
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{ |
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if (!array_key_exists('field', $fields) && !array_key_exists('script', $fields)) { |
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throw new \LogicException('Cardinality aggregation must have field or script set.'); |
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} |
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} |
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} |
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ongr-io /
ElasticsearchDSL
