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<?php |
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namespace As3\Modlr\Metadata\Cache; |
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use As3\Modlr\Metadata\MetadataFactory; |
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/** |
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* Warms up the metadata cache objects by placing all known entities into the cache source. |
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* Only functions if the MetadataFactory has cache implemented. |
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* |
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* @author Jacob Bare <[email protected]> |
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*/ |
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class CacheWarmer |
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{ |
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/** |
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* The metadata factory for loading and caching metadata objects. |
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* |
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* @var MetadataFactory |
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*/ |
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private $mf; |
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/** |
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* Constructor. |
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* |
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* @param MetadataFactory $mf |
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*/ |
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public function __construct(MetadataFactory $mf) |
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{ |
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$this->mf = $mf; |
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} |
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/** |
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* Clears metadata objects from the cache. |
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* |
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* @param string|array|null $type |
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* @return array |
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*/ |
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public function clear($type = null) |
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{ |
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if (false === $this->mf->hasCache()) { |
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return []; |
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} |
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return $this->doClear($this->getTypes($type)); |
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} |
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/** |
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* Warms up metadata objects into the cache. |
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* |
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* @param string|array|null $type |
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* @return array |
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*/ |
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public function warm($type = null) |
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{ |
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if (false === $this->mf->hasCache()) { |
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return []; |
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} |
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return $this->doWarm($this->getTypes($type)); |
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} |
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/** |
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* Clears metadata objects for the provided model types. |
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* |
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* @param array $types |
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* @return array |
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*/ |
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private function doClear(array $types) |
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{ |
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$cleared = []; |
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$this->mf->enableCache(false); |
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foreach ($types as $type) { |
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$metadata = $this->mf->getMetadataForType($type); |
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$this->mf->getCache()->evictMetadataFromCache($metadata); |
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$cleared[] = $type; |
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} |
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$this->mf->enableCache(true); |
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$this->mf->clearMemory(); |
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return $cleared; |
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} |
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/** |
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* Warms up the metadata objects for the provided model types. |
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* |
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* @param array $types |
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* @return array |
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*/ |
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private function doWarm(array $types) |
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{ |
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$warmed = []; |
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$this->doClear($types); |
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foreach ($types as $type) { |
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$this->mf->getMetadataForType($type); |
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$warmed[] = $type; |
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} |
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return $warmed; |
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} |
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/** |
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* Gets the model types based on an array, string, or null type value. |
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* |
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* @param string|array|null |
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* @return array |
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*/ |
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private function getTypes($type = null) |
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{ |
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if (null === $type) { |
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return $this->mf->getAllTypeNames(); |
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} |
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return (array) $type; |
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} |
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} |
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as3io /
modlr
