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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\ElasticsearchBundle\Result\Aggregation; |
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use ONGR\ElasticsearchDSL\Aggregation\AbstractAggregation; |
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/** |
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* This is the class for plain aggregation result with nested aggregations support. |
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*/ |
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class ValueAggregation implements \ArrayAccess, \IteratorAggregate |
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{ |
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/** |
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* @var array |
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*/ |
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private $rawData; |
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/** |
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* Constructor. |
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* |
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* @param array $rawData |
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*/ |
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public function __construct($rawData) |
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{ |
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$this->rawData = $rawData; |
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} |
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/** |
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* Returns aggregation value by name. |
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* |
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* @param string $name |
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* |
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* @return array |
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*/ |
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public function getValue($name) |
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{ |
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if (!isset($this->rawData[$name])) { |
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return null; |
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} |
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return $this->rawData[$name]; |
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} |
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/** |
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* Returns array of bucket values. |
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* |
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* @return ValueAggregation[]|null |
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*/ |
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public function getBuckets() |
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{ |
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if (!isset($this->rawData['buckets'])) { |
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return null; |
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} |
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$buckets = []; |
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foreach ($this->rawData['buckets'] as $bucket) { |
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$buckets[] = new ValueAggregation($bucket); |
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} |
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return $buckets; |
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} |
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/** |
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* Returns sub-aggregation. |
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* |
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* @param string $name |
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* |
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* @return ValueAggregation|null |
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*/ |
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public function getAggregation($name) |
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{ |
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if (!isset($this->rawData[$name])) { |
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return null; |
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} |
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return new ValueAggregation($this->rawData[$name]); |
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} |
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/** |
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* Applies path method to aggregations. |
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* |
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* @param string $path |
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* |
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* @return ValueAggregation|null |
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*/ |
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public function find($path) |
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{ |
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$name = explode('.', $path, 2); |
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$aggregation = $this->getAggregation($name[0]); |
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if ($aggregation === null || !isset($name[1])) { |
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return $aggregation; |
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} |
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return $aggregation->find($name[1]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetExists($offset) |
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{ |
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return array_key_exists($offset, $this->rawData); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetGet($offset) |
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{ |
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if (!isset($this->rawData[$offset])) { |
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return null; |
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} |
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return $this->rawData[$offset]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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throw new \LogicException('Aggregation result can not be changed on runtime.'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function offsetUnset($offset) |
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{ |
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throw new \LogicException('Aggregation result can not be changed on runtime.'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getIterator() |
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{ |
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$buckets = $this->getBuckets(); |
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if ($buckets === null) { |
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throw new \LogicException('Can not iterate over aggregation without buckets!'); |
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} |
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return new \ArrayIterator($this->getBuckets()); |
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} |
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} |
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ongr-io /
ElasticsearchBundle
