665 lines
24 KiB
PHP
665 lines
24 KiB
PHP
<?php
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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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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\ORM\Mapping;
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use ReflectionException,
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Doctrine\ORM\ORMException,
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Doctrine\ORM\EntityManager,
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Doctrine\DBAL\Platforms,
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Doctrine\ORM\Events,
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Doctrine\Common\Persistence\Mapping\RuntimeReflectionService,
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Doctrine\Common\Persistence\Mapping\ReflectionService,
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Doctrine\Common\Persistence\Mapping\ClassMetadataFactory as ClassMetadataFactoryInterface;
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/**
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* The ClassMetadataFactory is used to create ClassMetadata objects that contain all the
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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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*
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* @since 2.0
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* @author Benjamin Eberlei <kontakt@beberlei.de>
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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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*/
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class ClassMetadataFactory implements ClassMetadataFactoryInterface
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{
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/**
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* @var EntityManager
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*/
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private $em;
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/**
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* @var AbstractPlatform
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*/
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private $targetPlatform;
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/**
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* @var \Doctrine\ORM\Mapping\Driver\Driver
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*/
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private $driver;
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/**
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* @var \Doctrine\Common\EventManager
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*/
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private $evm;
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/**
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* @var \Doctrine\Common\Cache\Cache
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*/
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private $cacheDriver;
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/**
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* @var array
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*/
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private $loadedMetadata = array();
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/**
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* @var bool
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*/
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private $initialized = false;
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/**
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* @var ReflectionService
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*/
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private $reflectionService;
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/**
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* @param EntityManager $$em
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*/
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public function setEntityManager(EntityManager $em)
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{
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$this->em = $em;
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}
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/**
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* Sets the cache driver used by the factory to cache ClassMetadata instances.
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*
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* @param \Doctrine\Common\Cache\Cache $cacheDriver
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*/
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public function setCacheDriver($cacheDriver)
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{
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$this->cacheDriver = $cacheDriver;
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}
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/**
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* Gets the cache driver used by the factory to cache ClassMetadata instances.
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*
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* @return \Doctrine\Common\Cache\Cache
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*/
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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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public function getLoadedMetadata()
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{
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return $this->loadedMetadata;
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}
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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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/**
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* Gets the class metadata descriptor for a class.
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*
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* @param string $className The name of the class.
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* @return \Doctrine\ORM\Mapping\ClassMetadata
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*/
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public function getMetadataFor($className)
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{
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if ( ! isset($this->loadedMetadata[$className])) {
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$realClassName = $className;
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// Check for namespace alias
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if (strpos($className, ':') !== false) {
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list($namespaceAlias, $simpleClassName) = explode(':', $className);
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$realClassName = $this->em->getConfiguration()->getEntityNamespace($namespaceAlias) . '\\' . $simpleClassName;
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if (isset($this->loadedMetadata[$realClassName])) {
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// We do not have the alias name in the map, include it
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$this->loadedMetadata[$className] = $this->loadedMetadata[$realClassName];
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return $this->loadedMetadata[$realClassName];
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}
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}
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if ($this->cacheDriver) {
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if (($cached = $this->cacheDriver->fetch("$realClassName\$CLASSMETADATA")) !== false) {
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$this->wakeupReflection($cached, $this->getReflectionService());
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$this->loadedMetadata[$realClassName] = $cached;
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} else {
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foreach ($this->loadMetadata($realClassName) as $loadedClassName) {
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$this->cacheDriver->save(
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"$loadedClassName\$CLASSMETADATA", $this->loadedMetadata[$loadedClassName], null
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);
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}
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}
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} else {
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$this->loadMetadata($realClassName);
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}
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if ($className != $realClassName) {
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// We do not have the alias name in the map, include it
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$this->loadedMetadata[$className] = $this->loadedMetadata[$realClassName];
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}
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}
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return $this->loadedMetadata[$className];
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}
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/**
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* Checks whether the factory has the metadata for a class loaded already.
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*
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* @param string $className
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* @return boolean TRUE if the metadata of the class in question is already loaded, FALSE otherwise.
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*/
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public function hasMetadataFor($className)
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{
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return isset($this->loadedMetadata[$className]);
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}
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/**
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* Sets the metadata descriptor for a specific class.
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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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*
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* @param string $className
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* @param ClassMetadata $class
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*/
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public function setMetadataFor($className, $class)
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{
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$this->loadedMetadata[$className] = $class;
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}
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/**
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* Get array of parent classes for the given entity class
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*
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* @param string $name
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* @return array $parentClasses
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*/
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protected function getParentClasses($name)
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{
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// Collect parent classes, ignoring transient (not-mapped) classes.
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$parentClasses = array();
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foreach (array_reverse($this->getReflectionService()->getParentClasses($name)) as $parentClass) {
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if ( ! $this->driver->isTransient($parentClass)) {
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$parentClasses[] = $parentClass;
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}
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}
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return $parentClasses;
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}
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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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* @param string $name The name of the class for which the metadata should get loaded.
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* @param array $tables The metadata collection to which the loaded metadata is added.
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*/
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protected function loadMetadata($name)
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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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$loaded = array();
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$parentClasses = $this->getParentClasses($name);
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$parentClasses[] = $name;
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// Move down the hierarchy of parent classes, starting from the topmost class
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$parent = null;
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$rootEntityFound = false;
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$visited = array();
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foreach ($parentClasses as $className) {
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if (isset($this->loadedMetadata[$className])) {
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$parent = $this->loadedMetadata[$className];
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if ( ! $parent->isMappedSuperclass) {
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$rootEntityFound = true;
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array_unshift($visited, $className);
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}
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continue;
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}
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$class = $this->newClassMetadataInstance($className);
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$this->initializeReflection($class, $this->getReflectionService());
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if ($parent) {
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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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$this->addInheritedFields($class, $parent);
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$this->addInheritedRelations($class, $parent);
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$class->setIdentifier($parent->identifier);
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$class->setVersioned($parent->isVersioned);
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$class->setVersionField($parent->versionField);
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$class->setDiscriminatorMap($parent->discriminatorMap);
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$class->setLifecycleCallbacks($parent->lifecycleCallbacks);
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$class->setChangeTrackingPolicy($parent->changeTrackingPolicy);
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if ($parent->isMappedSuperclass) {
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$class->setCustomRepositoryClass($parent->customRepositoryClassName);
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}
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}
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// Invoke driver
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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, $e);
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}
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// If this class has a parent the id generator strategy is inherited.
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// However this is only true if the hierachy of parents contains the root entity,
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// if it consinsts of mapped superclasses these don't necessarily include the id field.
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if ($parent && $rootEntityFound) {
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if ($parent->isIdGeneratorSequence()) {
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$class->setSequenceGeneratorDefinition($parent->sequenceGeneratorDefinition);
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} else if ($parent->isIdGeneratorTable()) {
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$class->getTableGeneratorDefinition($parent->tableGeneratorDefinition);
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}
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if ($parent->generatorType) {
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$class->setIdGeneratorType($parent->generatorType);
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}
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if ($parent->idGenerator) {
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$class->setIdGenerator($parent->idGenerator);
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}
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} else {
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$this->completeIdGeneratorMapping($class);
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}
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if ($parent && $parent->isInheritanceTypeSingleTable()) {
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$class->setPrimaryTable($parent->table);
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}
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if ($parent && $parent->containsForeignIdentifier) {
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$class->containsForeignIdentifier = true;
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}
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if ($parent && !empty ($parent->namedQueries)) {
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$this->addInheritedNamedQueries($class, $parent);
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}
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if ($parent && !empty ($parent->namedNativeQueries)) {
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$this->addInheritedNamedNativeQueries($class, $parent);
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}
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if ($parent && !empty ($parent->sqlResultSetMappings)) {
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$this->addInheritedSqlResultSetMappings($class, $parent);
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}
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$class->setParentClasses($visited);
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if ($this->evm->hasListeners(Events::loadClassMetadata)) {
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$eventArgs = new \Doctrine\ORM\Event\LoadClassMetadataEventArgs($class, $this->em);
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$this->evm->dispatchEvent(Events::loadClassMetadata, $eventArgs);
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}
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$this->wakeupReflection($class, $this->getReflectionService());
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$this->validateRuntimeMetadata($class, $parent);
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$this->loadedMetadata[$className] = $class;
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$parent = $class;
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if ( ! $class->isMappedSuperclass) {
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$rootEntityFound = true;
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array_unshift($visited, $className);
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}
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$loaded[] = $className;
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}
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return $loaded;
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}
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/**
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* Validate runtime metadata is correctly defined.
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*
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* @param ClassMetadata $class
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* @param ClassMetadata $parent
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*/
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protected function validateRuntimeMetadata($class, $parent)
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{
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if ( ! $class->reflClass ) {
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// only validate if there is a reflection class instance
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return;
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}
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$class->validateIdentifier();
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$class->validateAssocations();
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$class->validateLifecycleCallbacks($this->getReflectionService());
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// verify inheritance
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if (!$class->isMappedSuperclass && !$class->isInheritanceTypeNone()) {
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if (!$parent) {
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if (count($class->discriminatorMap) == 0) {
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throw MappingException::missingDiscriminatorMap($class->name);
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}
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if (!$class->discriminatorColumn) {
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throw MappingException::missingDiscriminatorColumn($class->name);
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}
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} else if ($parent && !$class->reflClass->isAbstract() && !in_array($class->name, array_values($class->discriminatorMap))) {
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// enforce discriminator map for all entities of an inheritance hierachy, otherwise problems will occur.
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throw MappingException::mappedClassNotPartOfDiscriminatorMap($class->name, $class->rootEntityName);
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}
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} else if ($class->isMappedSuperclass && $class->name == $class->rootEntityName && (count($class->discriminatorMap) || $class->discriminatorColumn)) {
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// second condition is necessary for mapped superclasses in the middle of an inheritance hierachy
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throw MappingException::noInheritanceOnMappedSuperClass($class->name);
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}
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}
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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 $className
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* @return \Doctrine\ORM\Mapping\ClassMetadata
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*/
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protected function newClassMetadataInstance($className)
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{
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return new ClassMetadata($className, $this->em->getConfiguration()->getNamingStrategy());
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}
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/**
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* Adds inherited fields to the subclass mapping.
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*
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* @param \Doctrine\ORM\Mapping\ClassMetadata $subClass
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* @param \Doctrine\ORM\Mapping\ClassMetadata $parentClass
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*/
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private function addInheritedFields(ClassMetadata $subClass, ClassMetadata $parentClass)
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{
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foreach ($parentClass->fieldMappings as $mapping) {
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if ( ! isset($mapping['inherited']) && ! $parentClass->isMappedSuperclass) {
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$mapping['inherited'] = $parentClass->name;
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}
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if ( ! isset($mapping['declared'])) {
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$mapping['declared'] = $parentClass->name;
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}
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$subClass->addInheritedFieldMapping($mapping);
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}
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foreach ($parentClass->reflFields as $name => $field) {
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$subClass->reflFields[$name] = $field;
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}
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}
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/**
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* Adds inherited association mappings to the subclass mapping.
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*
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* @param \Doctrine\ORM\Mapping\ClassMetadata $subClass
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* @param \Doctrine\ORM\Mapping\ClassMetadata $parentClass
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*/
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private function addInheritedRelations(ClassMetadata $subClass, ClassMetadata $parentClass)
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{
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foreach ($parentClass->associationMappings as $field => $mapping) {
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if ($parentClass->isMappedSuperclass) {
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if ($mapping['type'] & ClassMetadata::TO_MANY && !$mapping['isOwningSide']) {
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throw MappingException::illegalToManyAssocationOnMappedSuperclass($parentClass->name, $field);
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}
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$mapping['sourceEntity'] = $subClass->name;
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}
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//$subclassMapping = $mapping;
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if ( ! isset($mapping['inherited']) && ! $parentClass->isMappedSuperclass) {
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$mapping['inherited'] = $parentClass->name;
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}
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if ( ! isset($mapping['declared'])) {
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$mapping['declared'] = $parentClass->name;
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}
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$subClass->addInheritedAssociationMapping($mapping);
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}
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}
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/**
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* Adds inherited named queries to the subclass mapping.
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*
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* @since 2.2
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* @param \Doctrine\ORM\Mapping\ClassMetadata $subClass
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* @param \Doctrine\ORM\Mapping\ClassMetadata $parentClass
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*/
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private function addInheritedNamedQueries(ClassMetadata $subClass, ClassMetadata $parentClass)
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{
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foreach ($parentClass->namedQueries as $name => $query) {
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if (!isset ($subClass->namedQueries[$name])) {
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$subClass->addNamedQuery(array(
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'name' => $query['name'],
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'query' => $query['query']
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));
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}
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}
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}
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/**
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* Adds inherited named native queries to the subclass mapping.
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*
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* @since 2.3
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* @param \Doctrine\ORM\Mapping\ClassMetadata $subClass
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* @param \Doctrine\ORM\Mapping\ClassMetadata $parentClass
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*/
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private function addInheritedNamedNativeQueries(ClassMetadata $subClass, ClassMetadata $parentClass)
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{
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foreach ($parentClass->namedNativeQueries as $name => $query) {
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if (!isset ($subClass->namedNativeQueries[$name])) {
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$subClass->addNamedNativeQuery(array(
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'name' => $query['name'],
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'query' => $query['query'],
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'isSelfClass' => $query['isSelfClass'],
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'resultSetMapping' => $query['resultSetMapping'],
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'resultClass' => $query['isSelfClass'] ? $subClass->name : $query['resultClass'],
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));
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}
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}
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}
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/**
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* Adds inherited sql result set mappings to the subclass mapping.
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*
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* @since 2.3
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* @param \Doctrine\ORM\Mapping\ClassMetadata $subClass
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* @param \Doctrine\ORM\Mapping\ClassMetadata $parentClass
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*/
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private function addInheritedSqlResultSetMappings(ClassMetadata $subClass, ClassMetadata $parentClass)
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{
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foreach ($parentClass->sqlResultSetMappings as $name => $mapping) {
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if (!isset ($subClass->sqlResultSetMappings[$name])) {
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$entities = array();
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foreach ($mapping['entities'] as $entity) {
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$entities[] = array(
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'fields' => $entity['fields'],
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'isSelfClass' => $entity['isSelfClass'],
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'discriminatorColumn' => $entity['discriminatorColumn'],
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'entityClass' => $entity['isSelfClass'] ? $subClass->name : $entity['entityClass'],
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);
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}
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$subClass->addSqlResultSetMapping(array(
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'name' => $mapping['name'],
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'columns' => $mapping['columns'],
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'entities' => $entities,
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));
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}
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}
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}
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/**
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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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*
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* @param \Doctrine\ORM\Mapping\ClassMetadata $class
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*/
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private function completeIdGeneratorMapping(ClassMetadataInfo $class)
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{
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$idGenType = $class->generatorType;
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if ($idGenType == ClassMetadata::GENERATOR_TYPE_AUTO) {
|
|
if ($this->targetPlatform->prefersSequences()) {
|
|
$class->setIdGeneratorType(ClassMetadata::GENERATOR_TYPE_SEQUENCE);
|
|
} else if ($this->targetPlatform->prefersIdentityColumns()) {
|
|
$class->setIdGeneratorType(ClassMetadata::GENERATOR_TYPE_IDENTITY);
|
|
} else {
|
|
$class->setIdGeneratorType(ClassMetadata::GENERATOR_TYPE_TABLE);
|
|
}
|
|
}
|
|
|
|
// Create & assign an appropriate ID generator instance
|
|
switch ($class->generatorType) {
|
|
case ClassMetadata::GENERATOR_TYPE_IDENTITY:
|
|
// For PostgreSQL IDENTITY (SERIAL) we need a sequence name. It defaults to
|
|
// <table>_<column>_seq in PostgreSQL for SERIAL columns.
|
|
// Not pretty but necessary and the simplest solution that currently works.
|
|
$seqName = $this->targetPlatform instanceof Platforms\PostgreSQLPlatform ?
|
|
$class->getTableName() . '_' . $class->columnNames[$class->identifier[0]] . '_seq' :
|
|
null;
|
|
$class->setIdGenerator(new \Doctrine\ORM\Id\IdentityGenerator($seqName));
|
|
break;
|
|
case ClassMetadata::GENERATOR_TYPE_SEQUENCE:
|
|
// If there is no sequence definition yet, create a default definition
|
|
$definition = $class->sequenceGeneratorDefinition;
|
|
if ( ! $definition) {
|
|
$sequenceName = $class->getTableName() . '_' . $class->getSingleIdentifierColumnName() . '_seq';
|
|
$definition['sequenceName'] = $this->targetPlatform->fixSchemaElementName($sequenceName);
|
|
$definition['allocationSize'] = 1;
|
|
$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\AssignedGenerator());
|
|
break;
|
|
case ClassMetadata::GENERATOR_TYPE_UUID:
|
|
$class->setIdGenerator(new \Doctrine\ORM\Id\UuidGenerator());
|
|
break;
|
|
case ClassMetadata::GENERATOR_TYPE_TABLE:
|
|
throw new ORMException("TableGenerator not yet implemented.");
|
|
break;
|
|
case ClassMetadata::GENERATOR_TYPE_CUSTOM:
|
|
$definition = $class->customGeneratorDefinition;
|
|
if (!class_exists($definition['class'])) {
|
|
throw new ORMException("Can't instantiate custom generator : " .
|
|
$definition['class']);
|
|
}
|
|
$class->setIdGenerator(new $definition['class']);
|
|
break;
|
|
default:
|
|
throw new ORMException("Unknown generator type: " . $class->generatorType);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if this class is mapped by this EntityManager + ClassMetadata configuration
|
|
*
|
|
* @param $class
|
|
* @return bool
|
|
*/
|
|
public function isTransient($class)
|
|
{
|
|
if ( ! $this->initialized) {
|
|
$this->initialize();
|
|
}
|
|
|
|
// Check for namespace alias
|
|
if (strpos($class, ':') !== false) {
|
|
list($namespaceAlias, $simpleClassName) = explode(':', $class);
|
|
$class = $this->em->getConfiguration()->getEntityNamespace($namespaceAlias) . '\\' . $simpleClassName;
|
|
}
|
|
|
|
return $this->driver->isTransient($class);
|
|
}
|
|
|
|
/**
|
|
* Get reflectionService.
|
|
*
|
|
* @return \Doctrine\Common\Persistence\Mapping\ReflectionService
|
|
*/
|
|
public function getReflectionService()
|
|
{
|
|
if ($this->reflectionService === null) {
|
|
$this->reflectionService = new RuntimeReflectionService();
|
|
}
|
|
return $this->reflectionService;
|
|
}
|
|
|
|
/**
|
|
* Set reflectionService.
|
|
*
|
|
* @param reflectionService the value to set.
|
|
*/
|
|
public function setReflectionService(ReflectionService $reflectionService)
|
|
{
|
|
$this->reflectionService = $reflectionService;
|
|
}
|
|
|
|
/**
|
|
* Wakeup reflection after ClassMetadata gets unserialized from cache.
|
|
*
|
|
* @param ClassMetadataInfo $class
|
|
* @param ReflectionService $reflService
|
|
* @return void
|
|
*/
|
|
protected function wakeupReflection(ClassMetadataInfo $class, ReflectionService $reflService)
|
|
{
|
|
$class->wakeupReflection($reflService);
|
|
}
|
|
|
|
/**
|
|
* Initialize Reflection after ClassMetadata was constructed.
|
|
*
|
|
* @param ClassMetadataInfo $class
|
|
* @param ReflectionService $reflService
|
|
* @return void
|
|
*/
|
|
protected function initializeReflection(ClassMetadataInfo $class, ReflectionService $reflService)
|
|
{
|
|
$class->initializeReflection($reflService);
|
|
}
|
|
}
|