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<?php |
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/** |
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* Xyster Framework |
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* |
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* This source file is subject to the new BSD license that is bundled |
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* with this package in the file LICENSE.txt. |
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* It is also available through the world-wide-web at this URL: |
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* http://www.opensource.org/licenses/bsd-license.php |
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* |
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* @category Xyster |
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* @package Xyster_Orm |
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* @copyright Copyright (c) 2007-2008 Irrational Logic (http://irrationallogic.net) |
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* @license http://www.opensource.org/licenses/bsd-license.php New BSD License |
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* @version $Id: Factory.php 202 2008-01-20 16:20:09Z doublecompile $ |
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*/ |
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/** |
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* @see Xyster_Orm_Mapper_Factory_Abstract |
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*/ |
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require_once 'Xyster/Orm/Mapper/Factory/Abstract.php'; |
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/** |
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* A simple factory for creating mappers |
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* |
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* @category Xyster |
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* @package Xyster_Orm |
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* @copyright Copyright (c) 2007-2008 Irrational Logic (http://irrationallogic.net) |
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* @license http://www.opensource.org/licenses/bsd-license.php New BSD License |
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*/ |
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class Xyster_Orm_Mapper_Factory extends Xyster_Orm_Mapper_Factory_Abstract |
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{ |
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/** |
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* Default cache for meta information provided by the backend |
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* |
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* @var Zend_Cache_Core |
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*/ |
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protected $_defaultMetadataCache; |
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/** |
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* Gets the mapper for a given class |
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* |
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* @param string $className The name of the entity class |
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* @return Xyster_Orm_Mapper The mapper object |
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*/ |
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public function get( $className ) |
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{ |
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if ( !isset($this->_mappers[$className]) ) { |
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$mapperName = Xyster_Orm_Loader::loadMapperClass($className); |
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$this->_mappers[$className] = new $mapperName($this, |
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$this->getDefaultMetadataCache()); |
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$this->_mappers[$className]->init(); |
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} |
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return $this->_mappers[$className]; |
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} |
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/** |
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* Gets the default metadata cache for information returned by getFields() |
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* |
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* @return Zend_Cache_Core |
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*/ |
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public function getDefaultMetadataCache() |
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{ |
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return $this->_defaultMetadataCache; |
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} |
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/** |
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* Sets the default metadata cache for information returned by getFields() |
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* |
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* If $defaultMetadataCache is null, then no metadata cache is used by |
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* default. |
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* |
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* @param mixed $metadataCache Either a Cache object, or a string naming a Registry key |
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*/ |
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public function setDefaultMetadataCache($metadataCache = null) |
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{ |
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$this->_defaultMetadataCache = $this->_setupMetadataCache($metadataCache); |
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} |
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/** |
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* @param mixed $metadataCache Either a Cache object, or a string naming a Registry key |
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* @return Zend_Cache_Core |
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* @throws Xyster_Orm_Mapper_Exception |
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*/ |
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protected function _setupMetadataCache($metadataCache) |
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{ |
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if (is_string($metadataCache)) { |
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require_once 'Zend/Registry.php'; |
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$metadataCache = Zend_Registry::get($metadataCache); |
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} |
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if ($metadataCache === null || $metadataCache instanceof Zend_Cache_Core) { |
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return $metadataCache; |
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} |
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require_once 'Xyster/Orm/Mapper/Exception.php'; |
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throw new Xyster_Orm_Mapper_Exception('Argument must be of type Zend_Cache_Core, or a Registry key where a Zend_Cache_Core object is stored'); |
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} |
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} |
