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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2009-03-30 23:43:05 +04:00
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use Doctrine\Common\DoctrineException;
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2009-01-22 22:38:10 +03:00
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use Doctrine\DBAL\Platforms\AbstractPlatform;
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2009-07-16 00:18:40 +04:00
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use 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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2008-02-11 20:08:22 +03:00
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* The metadata factory 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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2008-05-26 00:10:41 +04:00
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* @author Roman Borschel <roman@code-factory.org>
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @version $Revision$
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2009-01-05 20:25:56 +03:00
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* @link www.doctrine-project.org
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2008-05-26 00:10:41 +04:00
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* @since 2.0
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2009-05-21 12:53:40 +04:00
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* @todo Support for mapped superclasses (@DoctrineMappedSuperclass)
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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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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 = $em;
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$this->_driver = $em->getConfiguration()->getMetadataDriverImpl();
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$this->_targetPlatform = $em->getConnection()->getDatabasePlatform();
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$this->_evm = $em->getEventManager();
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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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2009-05-30 13:37:56 +04:00
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* Sets the cache driver used by the factory to cache ClassMetadata instances
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* and invokes the preload() method of the metadata driver to prepopulate the cache.
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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 = $cacheDriver;
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2009-05-30 13:37:56 +04:00
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foreach ($this->_driver->preload() as $className) {
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$cacheKey = "$className\$CLASSMETADATA";
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$this->_cacheDriver->save($cacheKey, $this->getMetadataFor($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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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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2009-01-05 20:25:56 +03:00
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/**
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* Returns the metadata object for a class.
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*
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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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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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2009-01-06 20:22:23 +03:00
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if ($this->_cacheDriver) {
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2009-02-04 21:03:05 +03:00
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if ($this->_cacheDriver->contains($cacheKey)) {
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$this->_loadedMetadata[$className] = $this->_cacheDriver->fetch($cacheKey);
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2009-01-06 20:22:23 +03:00
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} else {
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$this->_loadMetadata($className);
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2009-02-04 21:03:05 +03:00
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$this->_cacheDriver->save($cacheKey, $this->_loadedMetadata[$className], null);
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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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return $this->_loadedMetadata[$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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* 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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2009-02-05 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[] = $name;
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2008-08-22 13:05:14 +04:00
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// Move down the hierarchy of parent classes, starting from the topmost class
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2009-02-05 20:34:44 +03:00
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$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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array_unshift($visited, $className);
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continue;
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}
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2009-02-05 20:34:44 +03:00
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$class = $this->_newClassMetadataInstance($className);
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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($parent->identifier);
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2009-02-05 20:34:44 +03:00
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}
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// Invoke driver
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$this->_driver->loadMetadataForClass($className, $class);
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2009-03-30 23:43:05 +04:00
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// Verify & complete identifier mapping
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2009-05-14 14:03:09 +04:00
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if ( ! $class->identifier) {
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2009-03-30 23:43:05 +04:00
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throw MappingException::identifierRequired($className);
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}
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2009-05-05 21:20:55 +04:00
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if ($parent) {
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if ($parent->isIdGeneratorSequence()) {
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$class->setSequenceGeneratorDefinition($parent->getSequenceGeneratorDefinition());
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} else if ($parent->isIdGeneratorTable()) {
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$class->getTableGeneratorDefinition($parent->getTableGeneratorDefinition());
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}
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2009-05-14 14:03:09 +04:00
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$class->setIdGeneratorType($parent->generatorType);
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2009-05-05 21:20:55 +04:00
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$class->setidGenerator($parent->getIdGenerator());
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} else {
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$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, $eventArgs);
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}
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2009-05-21 12:53:40 +04:00
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$this->_generateStaticSql($class);
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2009-02-05 20:34:44 +03:00
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$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 = $class;
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array_unshift($visited, $className);
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2008-02-04 00:29:57 +03:00
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}
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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 => $mapping) {
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2008-08-22 13:05:14 +04:00
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if ( ! isset($mapping['inherited'])) {
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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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} else {
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// parent class defined that one
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$subClass->addAssociationMapping($mapping, $parentClass->name);
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}
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}
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}
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/**
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* Generates any static SQL strings for a class and stores them in the descriptor.
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*
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* @param ClassMetadata $class
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*/
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private function _generateStaticSql($class)
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{
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// Generate INSERT SQL
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$columns = $values = array();
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if ($class->inheritanceType == ClassMetadata::INHERITANCE_TYPE_JOINED) {
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2009-05-28 15:39:16 +04:00
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// Generate INSERT SQL for inheritance type JOINED
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2009-05-21 12:53:40 +04:00
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foreach ($class->reflFields as $name => $field) {
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if (isset($class->fieldMappings[$name]['inherited']) && ! isset($class->fieldMappings[$name]['id'])
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|| isset($class->inheritedAssociationFields[$name])) {
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continue;
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}
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if (isset($class->associationMappings[$name])) {
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$assoc = $class->associationMappings[$name];
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if ($assoc->isOneToOne() && $assoc->isOwningSide) {
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foreach ($assoc->targetToSourceKeyColumns as $sourceCol) {
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$columns[] = $this->_targetPlatform->quoteIdentifier($sourceCol);
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$values[] = '?';
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}
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}
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} else if ($class->name != $class->rootEntityName || ! $class->isIdGeneratorIdentity() || $class->identifier[0] != $name) {
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$columns[] = $this->_targetPlatform->quoteIdentifier($class->columnNames[$name]);
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$values[] = '?';
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}
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}
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} else {
|
2009-05-28 15:39:16 +04:00
|
|
|
// Generate INSERT SQL for inheritance types NONE, SINGLE_TABLE, TABLE_PER_CLASS
|
2009-05-21 12:53:40 +04:00
|
|
|
foreach ($class->reflFields as $name => $field) {
|
|
|
|
if (isset($class->associationMappings[$name])) {
|
|
|
|
$assoc = $class->associationMappings[$name];
|
|
|
|
if ($assoc->isOwningSide && $assoc->isOneToOne()) {
|
|
|
|
foreach ($assoc->targetToSourceKeyColumns as $sourceCol) {
|
|
|
|
$columns[] = $this->_targetPlatform->quoteIdentifier($sourceCol);
|
|
|
|
$values[] = '?';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else if ($class->generatorType != ClassMetadata::GENERATOR_TYPE_IDENTITY || $class->identifier[0] != $name) {
|
|
|
|
$columns[] = $this->_targetPlatform->quoteIdentifier($class->columnNames[$name]);
|
|
|
|
$values[] = '?';
|
|
|
|
}
|
|
|
|
}
|
2008-02-04 00:29:57 +03:00
|
|
|
}
|
2009-05-28 15:13:12 +04:00
|
|
|
|
|
|
|
// Add discriminator column to the INSERT SQL if necessary
|
2009-05-21 12:53:40 +04:00
|
|
|
if ($class->isInheritanceTypeSingleTable() || $class->isInheritanceTypeJoined() && $class->name == $class->rootEntityName) {
|
|
|
|
$columns[] = $class->discriminatorColumn['name'];
|
|
|
|
$values[] = '?';
|
|
|
|
}
|
|
|
|
|
|
|
|
$class->insertSql = 'INSERT INTO ' .
|
|
|
|
$this->_targetPlatform->quoteIdentifier($class->primaryTable['name'])
|
|
|
|
. ' (' . implode(', ', $columns) . ') '
|
|
|
|
. 'VALUES (' . implode(', ', $values) . ')';
|
2008-02-04 00:29:57 +03:00
|
|
|
}
|
2009-02-05 20:34:44 +03:00
|
|
|
|
2008-02-04 00:29:57 +03:00
|
|
|
/**
|
2009-02-05 20:34:44 +03:00
|
|
|
* Completes the ID generator mapping. If "auto" is specified we choose the generator
|
|
|
|
* most appropriate for the targeted database platform.
|
2008-03-26 14:10:45 +03:00
|
|
|
*
|
2009-02-05 20:34:44 +03:00
|
|
|
* @param Doctrine\ORM\Mapping\ClassMetadata $class
|
2008-02-04 00:29:57 +03:00
|
|
|
*/
|
2009-02-05 20:34:44 +03:00
|
|
|
private function _completeIdGeneratorMapping(ClassMetadata $class)
|
2008-02-04 00:29:57 +03:00
|
|
|
{
|
2009-05-14 14:03:09 +04:00
|
|
|
$idGenType = $class->generatorType;
|
2009-03-30 23:43:05 +04:00
|
|
|
if ($idGenType == ClassMetadata::GENERATOR_TYPE_AUTO) {
|
2008-12-18 17:08:11 +03:00
|
|
|
if ($this->_targetPlatform->prefersSequences()) {
|
2009-02-05 20:34:44 +03:00
|
|
|
$class->setIdGeneratorType(ClassMetadata::GENERATOR_TYPE_SEQUENCE);
|
2008-12-18 17:08:11 +03:00
|
|
|
} else if ($this->_targetPlatform->prefersIdentityColumns()) {
|
2009-02-05 20:34:44 +03:00
|
|
|
$class->setIdGeneratorType(ClassMetadata::GENERATOR_TYPE_IDENTITY);
|
2008-12-18 17:08:11 +03:00
|
|
|
} else {
|
2009-02-05 20:34:44 +03:00
|
|
|
$class->setIdGeneratorType(ClassMetadata::GENERATOR_TYPE_TABLE);
|
2008-12-18 17:08:11 +03:00
|
|
|
}
|
|
|
|
}
|
2009-03-30 23:43:05 +04:00
|
|
|
|
|
|
|
// Create & assign an appropriate ID generator instance
|
2009-05-14 14:03:09 +04:00
|
|
|
switch ($class->generatorType) {
|
2009-03-30 23:43:05 +04:00
|
|
|
case ClassMetadata::GENERATOR_TYPE_IDENTITY:
|
|
|
|
$class->setIdGenerator(new \Doctrine\ORM\Id\IdentityGenerator());
|
|
|
|
break;
|
|
|
|
case ClassMetadata::GENERATOR_TYPE_SEQUENCE:
|
|
|
|
// If there is no sequence definition yet, create a default definition
|
|
|
|
$definition = $class->getSequenceGeneratorDefinition();
|
|
|
|
if ( ! $definition) {
|
|
|
|
$definition['sequenceName'] = $class->getTableName() . '_' . $class->getSingleIdentifierColumnName() . '_seq';
|
|
|
|
$definition['allocationSize'] = 20;
|
|
|
|
$definition['initialValue'] = 1;
|
|
|
|
$class->setSequenceGeneratorDefinition($definition);
|
|
|
|
}
|
|
|
|
$sequenceGenerator = new \Doctrine\ORM\Id\SequenceGenerator(
|
|
|
|
$definition['sequenceName'],
|
|
|
|
$definition['allocationSize']
|
|
|
|
);
|
|
|
|
$class->setIdGenerator($sequenceGenerator);
|
|
|
|
break;
|
|
|
|
case ClassMetadata::GENERATOR_TYPE_NONE:
|
|
|
|
$class->setIdGenerator(new \Doctrine\ORM\Id\Assigned());
|
|
|
|
break;
|
|
|
|
case ClassMetadata::GENERATOR_TYPE_TABLE:
|
|
|
|
throw new DoctrineException("DoctrineTableGenerator not yet implemented.");
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
throw new DoctrineException("Unexhaustive match.");
|
|
|
|
}
|
2008-02-04 00:29:57 +03:00
|
|
|
}
|
2009-02-20 08:46:20 +03:00
|
|
|
}
|