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<?php |
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/* |
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* This file is part of the Pagerfanta package. |
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* |
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* (c) Pablo Díez <[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 Pagerfanta\Adapter; |
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use Pagerfanta\Exception\InvalidArgumentException; |
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use Solarium\QueryType\Select\Query\Query; |
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use Solarium\Core\Client\Client; |
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use Solarium_Query_Select; |
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use Solarium_Client; |
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/** |
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* SolariumAdapter. |
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* |
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* @author Igor Wiedler <[email protected]> |
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*/ |
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class SolariumAdapter implements AdapterInterface |
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{ |
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private $client; |
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private $query; |
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private $resultSet; |
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private $endPoint; |
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private $resultSetStart; |
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private $resultSetRows; |
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/** |
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* Constructor. |
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* |
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* @param Solarium_Client|Client $client A Solarium client. |
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* @param Solarium_Query_Select|Query $query A Solarium select query. |
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*/ |
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public function __construct($client, $query) |
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{ |
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$this->checkClient($client); |
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$this->checkQuery($query); |
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$this->client = $client; |
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$this->query = $query; |
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} |
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private function checkClient($client) |
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{ |
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if ($this->isClientInvalid($client)) { |
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throw new InvalidArgumentException($this->getClientInvalidMessage($client)); |
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} |
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} |
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private function isClientInvalid($client) |
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{ |
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return !($client instanceof Client) && |
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!($client instanceof Solarium_Client); |
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} |
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private function getClientInvalidMessage($client) |
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{ |
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return sprintf('The client object should be a Solarium_Client or Solarium\Core\Client\Client instance, %s given', |
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get_class($client) |
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); |
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} |
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private function checkQuery($query) |
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{ |
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if ($this->isQueryInvalid($query)) { |
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throw new InvalidArgumentException($this->getQueryInvalidMessage($query)); |
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} |
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} |
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private function isQueryInvalid($query) |
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{ |
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return !($query instanceof Query) && |
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!($query instanceof Solarium_Query_Select); |
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} |
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private function getQueryInvalidMessage($query) |
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{ |
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return sprintf('The query object should be a Solarium_Query_Select or Solarium\QueryType\Select\Query\Query instance, %s given', |
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get_class($query) |
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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 getNbResults() |
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{ |
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return $this->getResultSet()->getNumFound(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getSlice($offset, $length) |
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{ |
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return $this->getResultSet($offset, $length); |
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} |
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/** |
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* @param int $start |
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* @param int $rows |
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* |
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* @return \Solarium_Result_Select|\Solarium\QueryType\Select\Result\Result |
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**/ |
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public function getResultSet($start = null, $rows = null) |
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{ |
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if ($this->resultSetStartAndRowsAreNotNullAndChange($start, $rows)) { |
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$this->resultSetStart = $start; |
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$this->resultSetRows = $rows; |
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$this->modifyQuery(); |
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$this->clearResultSet(); |
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} |
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if ($this->resultSetEmpty()) { |
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$this->resultSet = $this->createResultSet(); |
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} |
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return $this->resultSet; |
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} |
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private function resultSetStartAndRowsAreNotNullAndChange($start, $rows) |
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{ |
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return $this->resultSetStartAndRowsAreNotNull($start, $rows) && |
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$this->resultSetStartAndRowsChange($start, $rows); |
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} |
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private function resultSetStartAndRowsAreNotNull($start, $rows) |
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{ |
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return $start !== null && $rows !== null; |
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} |
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private function resultSetStartAndRowsChange($start, $rows) |
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{ |
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return $start !== $this->resultSetStart || $rows !== $this->resultSetRows; |
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} |
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private function modifyQuery() |
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{ |
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$this->query |
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->setStart($this->resultSetStart) |
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->setRows($this->resultSetRows); |
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} |
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private function createResultSet() |
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{ |
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return $this->client->select($this->query, $this->endPoint); |
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} |
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private function clearResultSet() |
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{ |
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$this->resultSet = null; |
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} |
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private function resultSetEmpty() |
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{ |
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return $this->resultSet === null; |
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} |
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public function setEndPoint($endPoint) |
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{ |
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$this->endPoint = $endPoint; |
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return $this; |
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} |
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} |
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whiteoctober /
Pagerfanta
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