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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; |
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use ONGR\ElasticsearchBundle\Collection\Collection; |
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/** |
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* ObjectIterator class. |
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*/ |
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class ObjectIterator extends Collection |
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{ |
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/** |
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* @var Converter |
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*/ |
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private $converter; |
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/** |
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* @var array Aliases information. |
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*/ |
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private $alias; |
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/** |
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* @var array |
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*/ |
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private $rawObjects; |
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/** |
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* @var \Closure |
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*/ |
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private $convertCallback; |
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/** |
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* Using part of abstract iterator functionality only. |
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* |
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* @param Converter $converter |
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* @param array $objects |
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* @param array $alias |
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*/ |
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public function __construct($converter, $objects, $alias) |
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{ |
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$this->converter = $converter; |
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$this->rawObjects = $objects; |
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$this->alias = $alias; |
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// On-demand conversion callback for ArrayAccess/IteratorAggregate |
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$this->convertCallback = function ($key) { |
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$value = $this->convertDocument($this->rawObjects[$key]); |
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$this->rawObjects[$key] = null; |
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$this->offsetSet($key, $value); |
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return $value; |
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}; |
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$callback = function ($v) { |
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return null; |
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}; |
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// Pass array with available keys and no values |
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parent::__construct(array_map($callback, $objects)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function convertDocument(array $document) |
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{ |
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return $this->converter->assignArrayToObject( |
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$document, |
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new $this->alias['namespace'](), |
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$this->alias['aliases'] |
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); |
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} |
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/** |
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* Converts a raw object when the key for the object must be determined first. |
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* |
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* @param array $rawObject |
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* |
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* @return bool|object |
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*/ |
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protected function convertFromValue(array $rawObject) { |
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if (false === $rawObject) { |
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return false; |
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} |
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$callback = $this->convertCallback; |
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$key = key($this->rawObjects); |
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return $callback($key); |
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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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$callback = $this->convertCallback; |
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return new ObjectCallbackIterator($callback, $this->toArray()); |
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} |
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View Code Duplication |
public function first() |
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{ |
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$first = parent::first(); |
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if ($first === null) { |
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$first = reset($this->rawObjects); |
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return $this->convertFromValue($first); |
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} |
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return $first; |
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} |
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View Code Duplication |
public function last() |
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{ |
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$last = parent::last(); |
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if ($last === null) { |
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$last = end($this->rawObjects); |
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return $this->convertFromValue($last); |
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} |
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return $last; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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View Code Duplication |
public function get($offset) |
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{ |
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$value = parent::get($offset); |
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// Generate objects on demand |
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if ($value === null && $this->containsKey($this->key())) { |
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$callback = $this->convertCallback; |
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return $callback($offset); |
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} |
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return $value; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function createFrom(array $elements) |
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{ |
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return new static($this->converter, $elements, $this->alias); |
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} |
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} |
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ongr-io /
ElasticsearchBundle
Loading history...
This class, trait or interface has been deprecated. The supplier of the file has supplied an explanatory message.
The explanatory message should give you some clue as to whether and when the type will be removed from the class and what other constant to use instead.