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<?php |
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namespace Maslosoft\Manganel\Adapters\Finder; |
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use Maslosoft\Mangan\Interfaces\Adapters\FinderCursorInterface; |
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use Maslosoft\Manganel\Decorators\IndexDecorator; |
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use Maslosoft\Manganel\Decorators\ScoreDecorator; |
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use Maslosoft\Manganel\QueryBuilder; |
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use Maslosoft\Manganel\SearchCriteria; |
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/** |
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* ElasticSearchCursor |
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* |
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* @author Piotr Maselkowski <pmaselkowski at gmail.com> |
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*/ |
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class ElasticSearchCursor implements FinderCursorInterface |
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{ |
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/** |
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* Whether query was sent to search server |
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* @var bool |
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*/ |
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private $isExecuted = false; |
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/** |
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* |
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* @var QueryBuilder |
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*/ |
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private $qb = null; |
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/** |
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* |
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* @var array |
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*/ |
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private $data = []; |
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public function __construct(QueryBuilder $qb) |
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{ |
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$this->qb = $qb; |
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$criteria = $qb->getCriteria(); |
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if (empty($criteria)) |
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{ |
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$this->qb->setCriteria(new SearchCriteria()); |
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} |
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} |
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public function limit($num) |
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{ |
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$this->qb->getCriteria()->limit($num); |
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return $this; |
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} |
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public function skip($num) |
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{ |
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$this->qb->getCriteria()->offset($num); |
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return $this; |
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} |
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public function sort(array $fields) |
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{ |
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$this->qb->getCriteria()->setSort($fields); |
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return $this; |
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} |
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public function fields(array $fields) |
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{ |
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$this->qb->getCriteria()->select($fields); |
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return $this; |
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} |
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// <editor-fold defaultstate="collapsed" desc="Countable impl"> |
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/** |
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* |
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* @return int |
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*/ |
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public function count() |
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{ |
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$this->execute(); |
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return count($this->data); |
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} |
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// </editor-fold> |
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// <editor-fold defaultstate="collapsed" desc="Iterator impl"> |
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public function current() |
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{ |
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$this->execute(); |
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return current($this->data); |
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} |
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public function key() |
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{ |
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$this->execute(); |
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return key($this->data); |
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} |
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public function next() |
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{ |
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$this->execute(); |
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next($this->data); |
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} |
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public function rewind() |
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{ |
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$this->execute(); |
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return reset($this->data); |
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} |
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public function valid() |
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{ |
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$this->execute(); |
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$key = key($this->data); |
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return ($key !== null && $key !== false); |
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} |
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private function execute() |
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{ |
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if (!$this->isExecuted) |
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{ |
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$this->isExecuted = true; |
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$data = $this->qb->search(); |
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foreach ($data as $result) |
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{ |
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$document = $result['_source']; |
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$document[IndexDecorator::Key] = $result['_index']; |
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$document[ScoreDecorator::Key] = $result['_score']; |
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$this->data[] = $document; |
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} |
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} |
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} |
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132
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// </editor-fold> |
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} |
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Maslosoft /
Manganel
