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<?php |
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namespace ApacheSolrForTypo3\Solr\System\Data; |
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/* |
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* This file is part of the TYPO3 CMS project. |
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* |
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* It is free software; you can redistribute it and/or modify it under |
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* the terms of the GNU General Public License, either version 2 |
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* of the License, or any later version. |
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* |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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* |
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* The TYPO3 project - inspiring people to share! |
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*/ |
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/** |
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* Class AbstractCollection |
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*/ |
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abstract class AbstractCollection implements \IteratorAggregate, \Countable, \ArrayAccess |
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{ |
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/** |
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* @var array |
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*/ |
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protected $data = []; |
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/** |
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* @param array $data |
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*/ |
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public function __construct(array $data = []) |
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{ |
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$this->data = $data; |
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} |
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public function clean() |
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{ |
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$this->data = []; |
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} |
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/** |
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* This method can be used to pass a closure to created a filtered copy. |
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* The closure get an collection item passed and needs to return true when the item should |
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* be kept or false when it can be skipped. |
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* |
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* @param callable $filter |
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* @return AbstractCollection |
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*/ |
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public function getFilteredCopy(\Closure $filter) |
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{ |
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$copy = clone $this; |
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$filteredData = []; |
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foreach ($this->data as $key => $item) { |
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if ($filter($item)) { |
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$filteredData[$key] = $item; |
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} |
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} |
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$copy->data = $filteredData; |
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return $copy; |
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} |
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/** |
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* @return \ArrayIterator|\Traversable |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator($this->data); |
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} |
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/** |
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* @return array |
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*/ |
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public function getArrayCopy() |
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{ |
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return $this->data; |
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} |
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/** |
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* @param int $position |
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* @return object |
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*/ |
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public function getByPosition($position) |
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{ |
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$keys = array_keys($this->data); |
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return isset($this->data[$keys[$position]]) ? $this->data[$keys[$position]] : null; |
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} |
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/** |
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* (PHP 5 >= 5.1.0)<br/> |
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* Count elements of an object |
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* @link http://php.net/manual/en/countable.count.php |
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* @return int The custom count as an integer. |
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* </p> |
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* <p> |
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* The return value is cast to an integer. |
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*/ |
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public function count() |
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{ |
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return count($this->data); |
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} |
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/** |
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* @return int |
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*/ |
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public function getCount() |
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{ |
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return $this->count(); |
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} |
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/** |
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* Whether a offset exists |
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* |
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* @param mixed $offset |
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* @return bool true on success or false on failure |
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*/ |
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public function offsetExists($offset) |
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{ |
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return array_key_exists($offset, $this->data); |
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} |
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/** |
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* Offset to retrieve |
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* |
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* @param mixed $offset |
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* @return mixed |
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*/ |
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public function offsetGet($offset) |
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{ |
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if ($this->offsetExists($offset)) { |
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return $this->data[$offset]; |
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} |
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return null; |
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} |
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/** |
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* Offset to set |
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* |
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* @param mixed $offset |
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* @param mixed $value |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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if ($offset === null) { |
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$this->data[] = $value; |
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return; |
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} |
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$this->data[$offset] = $value; |
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} |
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/** |
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* Offset to unset |
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* |
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* @param mixed $offset |
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*/ |
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public function offsetUnset($offset) |
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{ |
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if ($this->offsetExists($offset)) { |
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unset($this->data[$offset]); |
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} |
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} |
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} |
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TYPO3-Solr /
ext-solr
