76 lines
2.5 KiB
PHP
76 lines
2.5 KiB
PHP
<?php
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/*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the MIT license. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\ORM\Cache\Region;
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use Doctrine\Common\Cache\MultiGetCache;
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use Doctrine\ORM\Cache\Region;
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use Doctrine\ORM\Cache\CollectionCacheEntry;
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/**
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* A cache region that enables the retrieval of multiple elements with one call
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*
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* @since 2.5
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* @author Asmir Mustafic <goetas@gmail.com>
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*/
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class DefaultMultiGetRegion extends DefaultRegion
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{
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/**
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* Note that the multiple type is due to doctrine/cache not integrating the MultiGetCache interface
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* in its signature due to BC in 1.x
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*
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* @var MultiGetCache|\Doctrine\Common\Cache\Cache
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*/
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protected $cache;
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/**
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* {@inheritDoc}
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*
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* @param MultiGetCache $cache
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*/
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public function __construct($name, MultiGetCache $cache, $lifetime = 0)
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{
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/* @var $cache \Doctrine\Common\Cache\Cache */
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parent::__construct($name, $cache, $lifetime);
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}
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/**
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* {@inheritdoc}
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*/
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public function getMultiple(CollectionCacheEntry $collection)
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{
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$keysToRetrieve = array();
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foreach ($collection->identifiers as $index => $key) {
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$keysToRetrieve[$index] = $this->name . '_' . $key->hash;
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}
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$items = $this->cache->fetchMultiple($keysToRetrieve);
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if (count($items) !== count($keysToRetrieve)) {
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return null;
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}
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$returnableItems = array();
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foreach ($keysToRetrieve as $index => $key) {
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$returnableItems[$index] = $items[$key];
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}
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return $returnableItems;
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}
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}
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