2008-05-26 00:10:41 +04:00
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<?php
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2008-02-11 20:08:22 +03:00
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/*
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* $Id$
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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 LGPL. For more information, see
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2009-02-05 20:34:44 +03:00
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* <http://www.doctrine-project.org>.
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2008-02-11 20:08:22 +03:00
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*/
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2008-02-04 00:29:57 +03:00
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2009-01-22 22:38:10 +03:00
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namespace Doctrine\ORM\Mapping;
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2008-12-18 17:08:11 +03:00
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2009-12-09 15:37:57 +03:00
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use Doctrine\ORM\ORMException,
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2009-07-30 19:16:02 +04:00
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Doctrine\DBAL\Platforms\AbstractPlatform,
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Doctrine\ORM\Events;
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2008-07-21 00:13:24 +04:00
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2008-02-04 00:29:57 +03:00
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/**
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2009-07-18 15:41:37 +04:00
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* The ClassMetadataFactory is used to create ClassMetadata objects that contain all the
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2008-12-18 17:08:11 +03:00
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* metadata mapping informations of a class which describes how a class should be mapped
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* to a relational database.
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2008-02-04 00:29:57 +03:00
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*
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2009-09-13 03:25:47 +04:00
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.doctrine-project.org
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* @since 2.0
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* @version $Revision: 3938 $
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
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* @author Jonathan Wage <jonwage@gmail.com>
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* @author Roman Borschel <roman@code-factory.org>
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2008-02-04 00:29:57 +03:00
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*/
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2009-01-22 22:38:10 +03:00
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class ClassMetadataFactory
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2008-02-04 00:29:57 +03:00
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{
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2009-07-16 00:18:40 +04:00
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private $_em;
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2008-12-18 17:08:11 +03:00
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/** The targeted database platform. */
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private $_targetPlatform;
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2009-02-04 21:03:05 +03:00
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/** The used metadata driver. */
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2009-01-05 20:25:56 +03:00
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private $_driver;
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2009-07-16 00:18:40 +04:00
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/** The event manager instance */
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private $_evm;
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2009-02-04 21:03:05 +03:00
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/** The used cache driver. */
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2009-01-06 20:22:23 +03:00
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private $_cacheDriver;
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2009-05-21 12:53:40 +04:00
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private $_loadedMetadata = array();
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2009-12-16 00:06:32 +03:00
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private $_initialized = false;
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2008-02-04 00:29:57 +03:00
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2008-02-11 20:08:22 +03:00
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/**
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2008-12-18 17:08:11 +03:00
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* Creates a new factory instance that uses the given metadata driver implementation.
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2008-02-11 20:08:22 +03:00
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*
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* @param $driver The metadata driver to use.
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*/
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2009-07-16 00:18:40 +04:00
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public function __construct(\Doctrine\ORM\EntityManager $em)
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2008-02-04 00:29:57 +03:00
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{
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2009-07-16 00:18:40 +04:00
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$this->_em = $em;
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2008-02-04 00:29:57 +03:00
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}
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2009-01-05 20:25:56 +03:00
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2009-01-07 00:47:29 +03:00
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/**
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2009-12-16 00:06:32 +03:00
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* Sets the cache driver used by the factory to cache ClassMetadata instances.
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2009-01-07 00:47:29 +03:00
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*
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2009-07-07 00:34:54 +04:00
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* @param Doctrine\Common\Cache\Cache $cacheDriver
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2009-01-07 00:47:29 +03:00
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*/
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2009-01-06 20:22:23 +03:00
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public function setCacheDriver($cacheDriver)
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{
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$this->_cacheDriver = $cacheDriver;
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}
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2009-01-07 00:47:29 +03:00
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/**
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* Gets the cache driver used by the factory to cache ClassMetadata instances.
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*
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2009-07-07 00:34:54 +04:00
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* @return Doctrine\Common\Cache\Cache
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2009-01-07 00:47:29 +03:00
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*/
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2009-01-06 20:22:23 +03:00
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public function getCacheDriver()
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{
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return $this->_cacheDriver;
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}
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2009-08-31 20:21:29 +04:00
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public function getLoadedMetadata()
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{
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return $this->_loadedMetadata;
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}
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2009-12-16 00:06:32 +03:00
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/**
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* Forces the factory to load the metadata of all classes known to the underlying
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* mapping driver.
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*
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* @return array The ClassMetadata instances of all mapped classes.
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*/
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public function getAllMetadata()
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{
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if ( ! $this->_initialized) {
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$this->_initialize();
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}
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$metadata = array();
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foreach ($this->_driver->getAllClassNames() as $className) {
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$metadata[] = $this->getMetadataFor($className);
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}
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return $metadata;
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}
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/**
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* Lazy initialization of this stuff, especially the metadata driver,
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* since these are not needed at all when a metadata cache is active.
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*/
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private function _initialize()
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{
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$this->_driver = $this->_em->getConfiguration()->getMetadataDriverImpl();
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$this->_targetPlatform = $this->_em->getConnection()->getDatabasePlatform();
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$this->_evm = $this->_em->getEventManager();
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$this->_initialized = true;
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}
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2009-01-06 20:22:23 +03:00
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2009-01-05 20:25:56 +03:00
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/**
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2009-07-30 19:16:02 +04:00
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* Gets the class metadata descriptor for a class.
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2009-01-05 20:25:56 +03:00
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*
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2009-07-23 13:52:16 +04:00
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* @param string $className The name of the class.
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2009-01-06 20:22:23 +03:00
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* @return Doctrine\ORM\Mapping\ClassMetadata
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2009-01-05 20:25:56 +03:00
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*/
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public function getMetadataFor($className)
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{
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2010-03-01 07:03:44 +03:00
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$className = $this->_resolveClassName($className);
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2009-01-05 20:25:56 +03:00
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if ( ! isset($this->_loadedMetadata[$className])) {
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2009-02-04 21:03:05 +03:00
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$cacheKey = "$className\$CLASSMETADATA";
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2010-03-01 07:03:44 +03:00
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2009-01-06 20:22:23 +03:00
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if ($this->_cacheDriver) {
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2009-08-11 14:51:38 +04:00
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if (($cached = $this->_cacheDriver->fetch($cacheKey)) !== false) {
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$this->_loadedMetadata[$className] = $cached;
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2009-01-06 20:22:23 +03:00
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} else {
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2009-11-21 21:52:02 +03:00
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foreach ($this->_loadMetadata($className) as $loadedClassName) {
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$this->_cacheDriver->save($cacheKey, $this->_loadedMetadata[$className], null);
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}
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2009-01-06 20:22:23 +03:00
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}
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} else {
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$this->_loadMetadata($className);
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}
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2009-01-05 20:25:56 +03:00
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}
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2009-09-11 23:50:48 +04:00
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2009-01-05 20:25:56 +03:00
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return $this->_loadedMetadata[$className];
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}
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2009-07-29 15:57:27 +04:00
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2009-07-30 19:16:02 +04:00
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/**
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2009-12-16 00:06:32 +03:00
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* Checks whether the factory has the metadata for a class loaded already.
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2009-07-30 19:16:02 +04:00
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*
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2009-12-16 00:06:32 +03:00
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* @param string $className
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* @return boolean TRUE if the metadata of the class in question is already loaded, FALSE otherwise.
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2009-07-30 19:16:02 +04:00
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*/
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2009-07-29 15:57:27 +04:00
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public function hasMetadataFor($className)
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{
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return isset($this->_loadedMetadata[$className]);
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}
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2009-05-13 19:19:27 +04:00
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/**
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2009-05-21 12:53:40 +04:00
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* Sets the metadata descriptor for a specific class.
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2009-07-18 15:41:37 +04:00
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*
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* NOTE: This is only useful in very special cases, like when generating proxy classes.
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2009-05-13 19:19:27 +04:00
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*
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2009-05-21 12:53:40 +04:00
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* @param string $className
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* @param ClassMetadata $class
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2009-05-13 19:19:27 +04:00
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*/
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public function setMetadataFor($className, $class)
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{
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$this->_loadedMetadata[$className] = $class;
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}
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2008-02-04 00:29:57 +03:00
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/**
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* Loads the metadata of the class in question and all it's ancestors whose metadata
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* is still not loaded.
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*
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2009-05-21 12:53:40 +04:00
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* @param string $name The name of the class for which the metadata should get loaded.
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2008-02-04 00:29:57 +03:00
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* @param array $tables The metadata collection to which the loaded metadata is added.
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*/
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2008-12-18 17:08:11 +03:00
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protected function _loadMetadata($name)
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2008-02-04 00:29:57 +03:00
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{
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2009-12-16 00:06:32 +03:00
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if ( ! $this->_initialized) {
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$this->_initialize();
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}
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2009-11-21 21:52:02 +03:00
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$loaded = array();
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2009-02-05 20:34:44 +03:00
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// Collect parent classes, ignoring transient (not-mapped) classes.
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2008-02-04 00:29:57 +03:00
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$parentClass = $name;
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$parentClasses = array();
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while ($parentClass = get_parent_class($parentClass)) {
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2009-02-05 20:34:44 +03:00
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if ( ! $this->_driver->isTransient($parentClass)) {
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$parentClasses[] = $parentClass;
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2008-02-04 00:29:57 +03:00
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}
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}
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$parentClasses = array_reverse($parentClasses);
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$parentClasses[] = $name;
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2009-09-11 23:50:48 +04:00
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2008-08-22 13:05:14 +04:00
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// Move down the hierarchy of parent classes, starting from the topmost class
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2009-02-05 20:34:44 +03:00
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$parent = null;
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$visited = array();
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foreach ($parentClasses as $className) {
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2009-05-21 12:53:40 +04:00
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if (isset($this->_loadedMetadata[$className])) {
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$parent = $this->_loadedMetadata[$className];
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2009-07-30 19:16:02 +04:00
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if ( ! $parent->isMappedSuperclass) {
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array_unshift($visited, $className);
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}
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2009-05-21 12:53:40 +04:00
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continue;
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}
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2009-02-05 20:34:44 +03:00
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$class = $this->_newClassMetadataInstance($className);
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2009-07-30 19:16:02 +04:00
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2009-02-05 20:34:44 +03:00
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if ($parent) {
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2009-05-14 14:03:09 +04:00
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$class->setInheritanceType($parent->inheritanceType);
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$class->setDiscriminatorColumn($parent->discriminatorColumn);
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$class->setIdGeneratorType($parent->generatorType);
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2009-02-05 20:34:44 +03:00
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$this->_addInheritedFields($class, $parent);
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$this->_addInheritedRelations($class, $parent);
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2009-05-14 14:03:09 +04:00
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$class->setIdentifier($parent->identifier);
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2009-07-18 15:41:37 +04:00
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$class->setVersioned($parent->isVersioned);
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2009-07-17 22:13:03 +04:00
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$class->setVersionField($parent->versionField);
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2009-10-22 16:50:58 +04:00
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$class->setDiscriminatorMap($parent->discriminatorMap);
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2010-02-11 01:17:43 +03:00
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$class->setLifecycleCallbacks($parent->lifecycleCallbacks);
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2009-02-05 20:34:44 +03:00
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}
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2009-09-11 23:50:48 +04:00
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2009-02-05 20:34:44 +03:00
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// Invoke driver
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2010-01-22 01:25:42 +03:00
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try {
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$this->_driver->loadMetadataForClass($className, $class);
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} catch(\ReflectionException $e) {
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throw MappingException::reflectionFailure($className, $e);
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}
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2009-03-30 23:43:05 +04:00
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// Verify & complete identifier mapping
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2009-07-30 19:16:02 +04:00
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if ( ! $class->identifier && ! $class->isMappedSuperclass) {
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2009-03-30 23:43:05 +04:00
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throw MappingException::identifierRequired($className);
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}
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2009-09-30 08:35:43 +04:00
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if ($parent && ! $parent->isMappedSuperclass) {
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2009-05-05 21:20:55 +04:00
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if ($parent->isIdGeneratorSequence()) {
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$class->setSequenceGeneratorDefinition($parent->getSequenceGeneratorDefinition());
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} else if ($parent->isIdGeneratorTable()) {
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$class->getTableGeneratorDefinition($parent->getTableGeneratorDefinition());
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}
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2009-09-29 19:54:16 +04:00
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if ($generatorType = $parent->generatorType) {
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$class->setIdGeneratorType($generatorType);
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}
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if ($idGenerator = $parent->getIdGenerator()) {
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$class->setIdGenerator($idGenerator);
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}
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2009-05-05 21:20:55 +04:00
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} else {
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$this->_completeIdGeneratorMapping($class);
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}
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2009-02-05 20:34:44 +03:00
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if ($parent && $parent->isInheritanceTypeSingleTable()) {
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$class->setTableName($parent->getTableName());
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2008-02-04 00:29:57 +03:00
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}
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2009-05-19 20:11:08 +04:00
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$class->setParentClasses($visited);
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2009-05-21 12:53:40 +04:00
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2009-07-16 00:18:40 +04:00
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if ($this->_evm->hasListeners(Events::loadClassMetadata)) {
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$eventArgs = new \Doctrine\ORM\Event\LoadClassMetadataEventArgs($class);
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$this->_evm->dispatchEvent(Events::loadClassMetadata, $eventArgs);
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}
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2009-02-05 20:34:44 +03:00
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$this->_loadedMetadata[$className] = $class;
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2009-05-19 20:11:08 +04:00
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2009-02-05 20:34:44 +03:00
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$parent = $class;
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2009-07-30 19:16:02 +04:00
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if ( ! $class->isMappedSuperclass) {
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array_unshift($visited, $className);
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}
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2009-11-21 21:52:02 +03:00
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$loaded[] = $className;
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2008-02-04 00:29:57 +03:00
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}
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2009-11-21 21:52:02 +03:00
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return $loaded;
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2008-02-04 00:29:57 +03:00
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}
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2009-01-06 20:22:23 +03:00
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2009-01-07 00:47:29 +03:00
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/**
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* Creates a new ClassMetadata instance for the given class name.
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*
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* @param string $className
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* @return Doctrine\ORM\Mapping\ClassMetadata
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*/
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2009-01-06 20:22:23 +03:00
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protected function _newClassMetadataInstance($className)
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{
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2009-01-22 22:38:10 +03:00
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return new ClassMetadata($className);
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2009-01-06 20:22:23 +03:00
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}
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2008-02-04 00:29:57 +03:00
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2008-08-16 23:40:59 +04:00
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/**
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* Adds inherited fields to the subclass mapping.
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*
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2009-01-06 20:22:23 +03:00
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* @param Doctrine\ORM\Mapping\ClassMetadata $subClass
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* @param Doctrine\ORM\Mapping\ClassMetadata $parentClass
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2008-08-16 23:40:59 +04:00
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*/
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2009-02-05 20:34:44 +03:00
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private function _addInheritedFields(ClassMetadata $subClass, ClassMetadata $parentClass)
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2008-02-04 00:29:57 +03:00
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{
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2009-05-14 14:03:09 +04:00
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foreach ($parentClass->fieldMappings as $fieldName => $mapping) {
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2009-07-30 19:16:02 +04:00
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if ( ! isset($mapping['inherited']) && ! $parentClass->isMappedSuperclass) {
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2009-05-14 14:03:09 +04:00
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$mapping['inherited'] = $parentClass->name;
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2008-08-22 13:05:14 +04:00
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}
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2009-04-09 22:12:48 +04:00
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$subClass->addFieldMapping($mapping);
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2009-05-21 12:53:40 +04:00
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}
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foreach ($parentClass->reflFields as $name => $field) {
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$subClass->reflFields[$name] = $field;
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2008-02-04 00:29:57 +03:00
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}
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}
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2008-08-16 23:40:59 +04:00
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/**
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* Adds inherited associations to the subclass mapping.
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*
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2009-01-06 20:22:23 +03:00
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* @param Doctrine\ORM\Mapping\ClassMetadata $subClass
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* @param Doctrine\ORM\Mapping\ClassMetadata $parentClass
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2008-08-16 23:40:59 +04:00
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*/
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2009-02-05 20:34:44 +03:00
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private function _addInheritedRelations(ClassMetadata $subClass, ClassMetadata $parentClass)
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2008-05-26 00:10:41 +04:00
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{
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2009-05-14 14:03:09 +04:00
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foreach ($parentClass->associationMappings as $mapping) {
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2009-05-21 12:53:40 +04:00
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if (isset($parentClass->inheritedAssociationFields[$mapping->sourceFieldName])) {
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// parent class also inherited that one
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$subClass->addAssociationMapping($mapping, $parentClass->inheritedAssociationFields[$mapping->sourceFieldName]);
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2009-07-30 19:16:02 +04:00
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} else if ( ! $parentClass->isMappedSuperclass) {
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2009-05-21 12:53:40 +04:00
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// parent class defined that one
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$subClass->addAssociationMapping($mapping, $parentClass->name);
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2009-07-30 19:16:02 +04:00
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} else {
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$subClass->addAssociationMapping($mapping);
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2009-05-21 12:53:40 +04:00
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}
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}
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}
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2008-02-04 00:29:57 +03:00
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/**
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2009-02-05 20:34:44 +03:00
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* Completes the ID generator mapping. If "auto" is specified we choose the generator
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* most appropriate for the targeted database platform.
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2008-03-26 14:10:45 +03:00
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*
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2009-02-05 20:34:44 +03:00
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* @param Doctrine\ORM\Mapping\ClassMetadata $class
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2008-02-04 00:29:57 +03:00
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*/
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2009-02-05 20:34:44 +03:00
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private function _completeIdGeneratorMapping(ClassMetadata $class)
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2008-02-04 00:29:57 +03:00
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{
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2009-05-14 14:03:09 +04:00
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$idGenType = $class->generatorType;
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2009-03-30 23:43:05 +04:00
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if ($idGenType == ClassMetadata::GENERATOR_TYPE_AUTO) {
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2008-12-18 17:08:11 +03:00
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if ($this->_targetPlatform->prefersSequences()) {
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2009-02-05 20:34:44 +03:00
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$class->setIdGeneratorType(ClassMetadata::GENERATOR_TYPE_SEQUENCE);
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2008-12-18 17:08:11 +03:00
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} else if ($this->_targetPlatform->prefersIdentityColumns()) {
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2009-02-05 20:34:44 +03:00
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$class->setIdGeneratorType(ClassMetadata::GENERATOR_TYPE_IDENTITY);
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2008-12-18 17:08:11 +03:00
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} else {
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2009-02-05 20:34:44 +03:00
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$class->setIdGeneratorType(ClassMetadata::GENERATOR_TYPE_TABLE);
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2008-12-18 17:08:11 +03:00
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}
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}
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2009-03-30 23:43:05 +04:00
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// Create & assign an appropriate ID generator instance
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2009-05-14 14:03:09 +04:00
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switch ($class->generatorType) {
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2009-03-30 23:43:05 +04:00
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case ClassMetadata::GENERATOR_TYPE_IDENTITY:
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$class->setIdGenerator(new \Doctrine\ORM\Id\IdentityGenerator());
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break;
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case ClassMetadata::GENERATOR_TYPE_SEQUENCE:
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// If there is no sequence definition yet, create a default definition
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$definition = $class->getSequenceGeneratorDefinition();
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if ( ! $definition) {
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2009-08-28 21:25:28 +04:00
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$sequenceName = $class->getTableName() . '_' . $class->getSingleIdentifierColumnName() . '_seq';
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$definition['sequenceName'] = $this->_targetPlatform->fixSchemaElementName($sequenceName);
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2009-12-11 03:56:47 +03:00
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$definition['allocationSize'] = 10;
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2009-03-30 23:43:05 +04:00
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$definition['initialValue'] = 1;
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$class->setSequenceGeneratorDefinition($definition);
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}
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$sequenceGenerator = new \Doctrine\ORM\Id\SequenceGenerator(
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$definition['sequenceName'],
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$definition['allocationSize']
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);
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$class->setIdGenerator($sequenceGenerator);
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break;
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case ClassMetadata::GENERATOR_TYPE_NONE:
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$class->setIdGenerator(new \Doctrine\ORM\Id\Assigned());
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break;
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case ClassMetadata::GENERATOR_TYPE_TABLE:
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2009-12-09 15:37:57 +03:00
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throw new ORMException("TableGenerator not yet implemented.");
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2009-03-30 23:43:05 +04:00
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break;
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default:
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2009-12-09 15:37:57 +03:00
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throw new ORMException("Unknown generator type: " . $class->generatorType);
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2009-03-30 23:43:05 +04:00
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}
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2008-02-04 00:29:57 +03:00
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}
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2010-03-01 07:03:44 +03:00
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protected function _resolveClassName($className)
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{
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if (($pos = strrpos($className, ':')) !== false) {
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$entityNamespaces = $this->_em->getConfiguration()->getEntityNamespaces();
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$entityNamespace = substr($className, 0, $pos);
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if ( ! isset($entityNamespaces[$entityNamespace])) {
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throw MappingException::unknownEntityNamespace($entityNamespace, $className);
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}
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$className = trim($entityNamespaces[$entityNamespace], '\\') . '\\' . substr($className, $pos + 1);
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}
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return $className;
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}
|
2009-07-20 16:05:19 +04:00
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|
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}
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