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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; |
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use ONGR\ElasticsearchDSL\BuilderBag; |
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use ONGR\ElasticsearchDSL\NameAwareTrait; |
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use ONGR\ElasticsearchDSL\NamedBuilderInterface; |
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use ONGR\ElasticsearchDSL\ParametersTrait; |
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/** |
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* AbstractAggregation class. |
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*/ |
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abstract class AbstractAggregation implements NamedBuilderInterface |
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{ |
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use ParametersTrait; |
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use NameAwareTrait; |
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/** |
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* @var string |
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*/ |
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private $field; |
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/** |
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* @var BuilderBag |
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*/ |
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private $aggregations; |
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/** |
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* Abstract supportsNesting method. |
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* |
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* @return bool |
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*/ |
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abstract protected function supportsNesting(); |
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/** |
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* @return array|\stdClass |
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*/ |
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abstract protected function getArray(); |
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/** |
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* Inner aggregations container init. |
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* |
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* @param string $name |
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*/ |
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public function __construct($name) |
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{ |
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$this->setName($name); |
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} |
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/** |
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* @param string $field |
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* |
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* @return $this |
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*/ |
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public function setField($field) |
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{ |
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$this->field = $field; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getField() |
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{ |
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return $this->field; |
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} |
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/** |
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* Adds a sub-aggregation. |
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* |
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* @param AbstractAggregation $abstractAggregation |
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* |
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* @return $this |
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*/ |
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public function addAggregation(AbstractAggregation $abstractAggregation) |
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{ |
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if (!$this->aggregations) { |
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$this->aggregations = $this->createBuilderBag(); |
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} |
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$this->aggregations->add($abstractAggregation); |
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return $this; |
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} |
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/** |
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* Returns all sub aggregations. |
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* |
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* @return BuilderBag[]|NamedBuilderInterface[] |
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*/ |
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public function getAggregations() |
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{ |
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if ($this->aggregations) { |
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return $this->aggregations->all(); |
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} else { |
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return []; |
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} |
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} |
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/** |
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* Returns sub aggregation. |
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* @param string $name Aggregation name to return. |
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* |
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* @return AbstractAggregation|NamedBuilderInterface|null |
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*/ |
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public function getAggregation($name) |
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{ |
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if ($this->aggregations && $this->aggregations->has($name)) { |
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return $this->aggregations->get($name); |
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} else { |
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return null; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function toArray() |
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{ |
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$array = $this->getArray(); |
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$result = [ |
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$this->getType() => is_array($array) ? $this->processArray($array) : $array, |
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]; |
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if ($this->supportsNesting()) { |
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$nestedResult = $this->collectNestedAggregations(); |
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if (!empty($nestedResult)) { |
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$result['aggregations'] = $nestedResult; |
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} |
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} |
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return $result; |
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} |
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/** |
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* Process all nested aggregations. |
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* |
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* @return array |
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*/ |
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protected function collectNestedAggregations() |
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{ |
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$result = []; |
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/** @var AbstractAggregation $aggregation */ |
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foreach ($this->getAggregations() as $aggregation) { |
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$result[$aggregation->getName()] = $aggregation->toArray(); |
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} |
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return $result; |
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} |
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/** |
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* Creates BuilderBag new instance. |
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* |
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* @return BuilderBag |
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*/ |
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private function createBuilderBag() |
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{ |
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return new BuilderBag(); |
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} |
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} |
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It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: