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<?php |
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namespace EventEspresso\core\services\loaders; |
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use EE_Registry; |
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use EventEspresso\core\exceptions\InvalidDataTypeException; |
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use EventEspresso\core\exceptions\InvalidInterfaceException; |
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use EventEspresso\core\services\collections\LooseCollection; |
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use InvalidArgumentException; |
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defined('EVENT_ESPRESSO_VERSION') || exit; |
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/** |
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* Class Loader |
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* Provides a common interface for generating new or shared instantiations of classes |
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* |
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* @package Event Espresso |
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* @author Brent Christensen |
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* @since $VID:$ |
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*/ |
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class Loader implements LoaderInterface |
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{ |
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/** |
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* @var LoaderInterface $new_loader |
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*/ |
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private $new_loader; |
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/** |
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* @var LoaderInterface $shared_loader |
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*/ |
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private $shared_loader; |
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/** |
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* Loader constructor. |
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* |
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* @param LoaderInterface|null $new_loader |
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* @param LoaderInterface|null $shared_loader |
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* @throws InvalidInterfaceException |
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* @throws InvalidArgumentException |
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* @throws InvalidDataTypeException |
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*/ |
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public function __construct(LoaderInterface $new_loader = null, LoaderInterface $shared_loader = null) |
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{ |
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$this->new_loader = $this->setupNewLoader($new_loader); |
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$this->shared_loader = $this->setupSharedLoader($shared_loader); |
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} |
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/** |
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* @param LoaderInterface|null $new_loader |
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* @return CoreLoader|LoaderInterface |
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* @throws InvalidArgumentException |
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*/ |
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private function setupNewLoader(LoaderInterface $new_loader = null) |
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{ |
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// if not already generated, create a standard loader |
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if (! $new_loader instanceof LoaderInterface) { |
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$new_loader = new CoreLoader(EE_Registry::instance()); |
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} |
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return $new_loader; |
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} |
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/** |
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* @param LoaderInterface|null $shared_loader |
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* @return CoreLoader|LoaderInterface |
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* @throws InvalidDataTypeException |
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* @throws InvalidInterfaceException |
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* @throws InvalidArgumentException |
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*/ |
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private function setupSharedLoader(LoaderInterface $shared_loader = null) |
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{ |
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// if not already generated, create a caching loader |
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if (! $shared_loader instanceof LoaderInterface) { |
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$shared_loader = new CachingLoader( |
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new CoreLoader(EE_Registry::instance()), |
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new LooseCollection('') |
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); |
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} |
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return $shared_loader; |
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} |
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/** |
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* @return LoaderInterface |
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*/ |
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public function getNewLoader() |
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{ |
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return $this->new_loader; |
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} |
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/** |
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* @return LoaderInterface |
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*/ |
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public function getSharedLoader() |
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{ |
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return $this->shared_loader; |
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} |
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/** |
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* @param string $fqcn |
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* @param array $arguments |
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* @param bool $shared |
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* @return mixed |
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*/ |
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public function load($fqcn, $arguments = array(), $shared = true) |
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{ |
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return $shared |
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? $this->getSharedLoader()->load($fqcn, $arguments) |
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: $this->getNewLoader()->load($fqcn, $arguments); |
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} |
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/** |
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* @param string $fqcn |
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* @param array $arguments |
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* @return mixed |
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*/ |
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public function getNew($fqcn, $arguments = array()) |
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{ |
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return $this->getNewLoader()->load($fqcn, $arguments); |
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} |
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/** |
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* @param string $fqcn |
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* @param array $arguments |
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* @return mixed |
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*/ |
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public function getShared($fqcn, $arguments = array()) |
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{ |
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return $this->getSharedLoader()->load($fqcn, $arguments); |
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} |
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/** |
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* calls reset() on loaders if that method exists |
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*/ |
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public function reset() |
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{ |
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$this->new_loader->reset(); |
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$this->shared_loader->reset(); |
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} |
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} |
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// End of file Loader.php |
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// Location: EventEspresso\core\services\loaders/Loader.php |
eventespresso /
event-espresso-core
