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mirror of synced 2025-02-22 23:23:14 +03:00

Internalize UnitOfWork in CollectionPersisters. Updated related code.

This commit is contained in:
Guilherme Blanco 2015-01-12 19:52:27 +00:00
parent c5f1b99721
commit 932a56f26f
7 changed files with 55 additions and 78 deletions

View File

@ -153,7 +153,7 @@ interface EntityPersister
* *
* @param object $entity The entity to delete. * @param object $entity The entity to delete.
* *
* @return bool * @return bool TRUE if the entity got deleted in the database, FALSE otherwise.
*/ */
public function delete($entity); public function delete($entity);

View File

@ -223,7 +223,7 @@ class ManyToManyPersister extends AbstractCollectionPersister
$mapping = $coll->getMapping(); $mapping = $coll->getMapping();
$association = $mapping; $association = $mapping;
$class = $this->em->getClassMetadata($mapping['sourceEntity']); $class = $this->em->getClassMetadata($mapping['sourceEntity']);
$id = $this->em->getUnitOfWork()->getEntityIdentifier($coll->getOwner()); $id = $this->uow->getEntityIdentifier($coll->getOwner());
if ( ! $mapping['isOwningSide']) { if ( ! $mapping['isOwningSide']) {
$targetEntity = $this->em->getClassMetadata($mapping['targetEntity']); $targetEntity = $this->em->getClassMetadata($mapping['targetEntity']);
@ -264,8 +264,9 @@ class ManyToManyPersister extends AbstractCollectionPersister
public function slice(PersistentCollection $coll, $offset, $length = null) public function slice(PersistentCollection $coll, $offset, $length = null)
{ {
$mapping = $coll->getMapping(); $mapping = $coll->getMapping();
$persister = $this->uow->getEntityPersister($mapping['targetEntity']);
return $this->em->getUnitOfWork()->getEntityPersister($mapping['targetEntity'])->getManyToManyCollection($mapping, $coll->getOwner(), $offset, $length); return $persister->getManyToManyCollection($mapping, $coll->getOwner(), $offset, $length);
} }
/** /**
* {@inheritdoc} * {@inheritdoc}
@ -273,7 +274,9 @@ class ManyToManyPersister extends AbstractCollectionPersister
public function containsKey(PersistentCollection $coll, $key) public function containsKey(PersistentCollection $coll, $key)
{ {
list($quotedJoinTable, $whereClauses, $params) = $this->getJoinTableRestrictionsWithKey($coll, $key, true); list($quotedJoinTable, $whereClauses, $params) = $this->getJoinTableRestrictionsWithKey($coll, $key, true);
$sql = 'SELECT 1 FROM ' . $quotedJoinTable . ' WHERE ' . implode(' AND ', $whereClauses); $sql = 'SELECT 1 FROM ' . $quotedJoinTable . ' WHERE ' . implode(' AND ', $whereClauses);
return (bool) $this->conn->fetchColumn($sql, $params); return (bool) $this->conn->fetchColumn($sql, $params);
} }
@ -282,17 +285,14 @@ class ManyToManyPersister extends AbstractCollectionPersister
*/ */
public function contains(PersistentCollection $coll, $element) public function contains(PersistentCollection $coll, $element)
{ {
$uow = $this->em->getUnitOfWork(); $entityState = $this->uow->getEntityState($element, UnitOfWork::STATE_NEW);
// Shortcut for new entities
$entityState = $uow->getEntityState($element, UnitOfWork::STATE_NEW);
if ($entityState === UnitOfWork::STATE_NEW) { if ($entityState === UnitOfWork::STATE_NEW) {
return false; return false;
} }
// Entity is scheduled for inclusion // Entity is scheduled for inclusion
if ($entityState === UnitOfWork::STATE_MANAGED && $uow->isScheduledForInsert($element)) { if ($entityState === UnitOfWork::STATE_MANAGED && $this->uow->isScheduledForInsert($element)) {
return false; return false;
} }
@ -308,10 +308,7 @@ class ManyToManyPersister extends AbstractCollectionPersister
*/ */
public function removeElement(PersistentCollection $coll, $element) public function removeElement(PersistentCollection $coll, $element)
{ {
$uow = $this->em->getUnitOfWork(); $entityState = $this->uow->getEntityState($element, UnitOfWork::STATE_NEW);
// shortcut for new entities
$entityState = $uow->getEntityState($element, UnitOfWork::STATE_NEW);
if ($entityState === UnitOfWork::STATE_NEW) { if ($entityState === UnitOfWork::STATE_NEW) {
return false; return false;
@ -319,7 +316,7 @@ class ManyToManyPersister extends AbstractCollectionPersister
// If Entity is scheduled for inclusion, it is not in this collection. // If Entity is scheduled for inclusion, it is not in this collection.
// We can assure that because it would have return true before on array check // We can assure that because it would have return true before on array check
if ($entityState === UnitOfWork::STATE_MANAGED && $uow->isScheduledForInsert($element)) { if ($entityState === UnitOfWork::STATE_MANAGED && $this->uow->isScheduledForInsert($element)) {
return false; return false;
} }
@ -339,11 +336,10 @@ class ManyToManyPersister extends AbstractCollectionPersister
*/ */
private function getJoinTableRestrictionsWithKey(PersistentCollection $coll, $key, $addFilters) private function getJoinTableRestrictionsWithKey(PersistentCollection $coll, $key, $addFilters)
{ {
$uow = $this->em->getUnitOfWork();
$filterMapping = $coll->getMapping(); $filterMapping = $coll->getMapping();
$mapping = $filterMapping; $mapping = $filterMapping;
$indexBy = $mapping['indexBy']; $indexBy = $mapping['indexBy'];
$id = $uow->getEntityIdentifier($coll->getOwner()); $id = $this->uow->getEntityIdentifier($coll->getOwner());
$targetEntity = $this->em->getClassMetadata($mapping['targetEntity']); $targetEntity = $this->em->getClassMetadata($mapping['targetEntity']);
@ -411,22 +407,21 @@ class ManyToManyPersister extends AbstractCollectionPersister
*/ */
private function getJoinTableRestrictions(PersistentCollection $coll, $element, $addFilters) private function getJoinTableRestrictions(PersistentCollection $coll, $element, $addFilters)
{ {
$uow = $this->em->getUnitOfWork();
$filterMapping = $coll->getMapping(); $filterMapping = $coll->getMapping();
$mapping = $filterMapping; $mapping = $filterMapping;
if ( ! $mapping['isOwningSide']) { if ( ! $mapping['isOwningSide']) {
$sourceClass = $this->em->getClassMetadata($mapping['targetEntity']); $sourceClass = $this->em->getClassMetadata($mapping['targetEntity']);
$targetClass = $this->em->getClassMetadata($mapping['sourceEntity']); $targetClass = $this->em->getClassMetadata($mapping['sourceEntity']);
$sourceId = $uow->getEntityIdentifier($element); $sourceId = $this->uow->getEntityIdentifier($element);
$targetId = $uow->getEntityIdentifier($coll->getOwner()); $targetId = $this->uow->getEntityIdentifier($coll->getOwner());
$mapping = $sourceClass->associationMappings[$mapping['mappedBy']]; $mapping = $sourceClass->associationMappings[$mapping['mappedBy']];
} else { } else {
$sourceClass = $this->em->getClassMetadata($mapping['sourceEntity']); $sourceClass = $this->em->getClassMetadata($mapping['sourceEntity']);
$targetClass = $this->em->getClassMetadata($mapping['targetEntity']); $targetClass = $this->em->getClassMetadata($mapping['targetEntity']);
$sourceId = $uow->getEntityIdentifier($coll->getOwner()); $sourceId = $this->uow->getEntityIdentifier($coll->getOwner());
$targetId = $uow->getEntityIdentifier($element); $targetId = $this->uow->getEntityIdentifier($element);
} }
$quotedJoinTable = $this->quoteStrategy->getJoinTableName($mapping, $sourceClass, $this->platform); $quotedJoinTable = $this->quoteStrategy->getJoinTableName($mapping, $sourceClass, $this->platform);

View File

@ -39,8 +39,7 @@ class OneToManyPersister extends AbstractCollectionPersister
public function get(PersistentCollection $coll, $index) public function get(PersistentCollection $coll, $index)
{ {
$mapping = $coll->getMapping(); $mapping = $coll->getMapping();
$uow = $this->em->getUnitOfWork(); $persister = $this->uow->getEntityPersister($mapping['targetEntity']);
$persister = $uow->getEntityPersister($mapping['targetEntity']);
if (!isset($mapping['indexBy'])) { if (!isset($mapping['indexBy'])) {
throw new \BadMethodCallException("Selecting a collection by index is only supported on indexed collections."); throw new \BadMethodCallException("Selecting a collection by index is only supported on indexed collections.");
@ -134,8 +133,7 @@ class OneToManyPersister extends AbstractCollectionPersister
public function count(PersistentCollection $coll) public function count(PersistentCollection $coll)
{ {
$mapping = $coll->getMapping(); $mapping = $coll->getMapping();
$uow = $this->em->getUnitOfWork(); $persister = $this->uow->getEntityPersister($mapping['targetEntity']);
$persister = $uow->getEntityPersister($mapping['targetEntity']);
// only works with single id identifier entities. Will throw an // only works with single id identifier entities. Will throw an
// exception in Entity Persisters if that is not the case for the // exception in Entity Persisters if that is not the case for the
@ -151,8 +149,7 @@ class OneToManyPersister extends AbstractCollectionPersister
public function slice(PersistentCollection $coll, $offset, $length = null) public function slice(PersistentCollection $coll, $offset, $length = null)
{ {
$mapping = $coll->getMapping(); $mapping = $coll->getMapping();
$uow = $this->em->getUnitOfWork(); $persister = $this->uow->getEntityPersister($mapping['targetEntity']);
$persister = $uow->getEntityPersister($mapping['targetEntity']);
return $persister->getOneToManyCollection($mapping, $coll->getOwner(), $offset, $length); return $persister->getOneToManyCollection($mapping, $coll->getOwner(), $offset, $length);
} }
@ -163,8 +160,7 @@ class OneToManyPersister extends AbstractCollectionPersister
public function containsKey(PersistentCollection $coll, $key) public function containsKey(PersistentCollection $coll, $key)
{ {
$mapping = $coll->getMapping(); $mapping = $coll->getMapping();
$uow = $this->em->getUnitOfWork(); $persister = $this->uow->getEntityPersister($mapping['targetEntity']);
$persister = $uow->getEntityPersister($mapping['targetEntity']);
// only works with single id identifier entities. Will throw an // only works with single id identifier entities. Will throw an
// exception in Entity Persisters if that is not the case for the // exception in Entity Persisters if that is not the case for the
@ -182,22 +178,19 @@ class OneToManyPersister extends AbstractCollectionPersister
*/ */
public function contains(PersistentCollection $coll, $element) public function contains(PersistentCollection $coll, $element)
{ {
$mapping = $coll->getMapping(); $entityState = $this->uow->getEntityState($element, UnitOfWork::STATE_NEW);
$uow = $this->em->getUnitOfWork();
// shortcut for new entities
$entityState = $uow->getEntityState($element, UnitOfWork::STATE_NEW);
if ($entityState === UnitOfWork::STATE_NEW) { if ($entityState === UnitOfWork::STATE_NEW) {
return false; return false;
} }
// Entity is scheduled for inclusion // Entity is scheduled for inclusion
if ($entityState === UnitOfWork::STATE_MANAGED && $uow->isScheduledForInsert($element)) { if ($entityState === UnitOfWork::STATE_MANAGED && $this->uow->isScheduledForInsert($element)) {
return false; return false;
} }
$persister = $uow->getEntityPersister($mapping['targetEntity']); $mapping = $coll->getMapping();
$persister = $this->uow->getEntityPersister($mapping['targetEntity']);
// only works with single id identifier entities. Will throw an // only works with single id identifier entities. Will throw an
// exception in Entity Persisters if that is not the case for the // exception in Entity Persisters if that is not the case for the
@ -212,10 +205,7 @@ class OneToManyPersister extends AbstractCollectionPersister
*/ */
public function removeElement(PersistentCollection $coll, $element) public function removeElement(PersistentCollection $coll, $element)
{ {
$uow = $this->em->getUnitOfWork(); $entityState = $this->uow->getEntityState($element, UnitOfWork::STATE_NEW);
// shortcut for new entities
$entityState = $uow->getEntityState($element, UnitOfWork::STATE_NEW);
if ($entityState === UnitOfWork::STATE_NEW) { if ($entityState === UnitOfWork::STATE_NEW) {
return false; return false;
@ -223,12 +213,12 @@ class OneToManyPersister extends AbstractCollectionPersister
// If Entity is scheduled for inclusion, it is not in this collection. // If Entity is scheduled for inclusion, it is not in this collection.
// We can assure that because it would have return true before on array check // We can assure that because it would have return true before on array check
if ($entityState === UnitOfWork::STATE_MANAGED && $uow->isScheduledForInsert($element)) { if ($entityState === UnitOfWork::STATE_MANAGED && $this->uow->isScheduledForInsert($element)) {
return false; return false;
} }
$mapping = $coll->getMapping(); $mapping = $coll->getMapping();
$persister = $uow->getEntityPersister($mapping['targetEntity']); $persister = $this->uow->getEntityPersister($mapping['targetEntity']);
return $persister->delete($element); return $persister->delete($element);
} }

View File

@ -1,5 +1,7 @@
<?php <?php
namespace Doctrine\Tests\Models\DDC2504; namespace Doctrine\Tests\Models\DDC2504;
/** /**
* @Entity * @Entity
*/ */

View File

@ -18,20 +18,10 @@ class DDC2504OtherClass
* *
* @OneToMany(targetEntity="DDC2504ChildClass", mappedBy="other", fetch="EXTRA_LAZY") * @OneToMany(targetEntity="DDC2504ChildClass", mappedBy="other", fetch="EXTRA_LAZY")
*/ */
private $childClasses; public $childClasses;
public function __construct() public function __construct()
{ {
$this->childClasses = new \Doctrine\Common\Collections\ArrayCollection(); $this->childClasses = new \Doctrine\Common\Collections\ArrayCollection();
} }
public function addChildClass($childClass)
{
$this->childClasses[] = $childClass;
}
public function getChildClasses()
{
return $this->childClasses;
}
} }

View File

@ -141,8 +141,8 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
{ {
$otherClass = $this->_em->find('Doctrine\Tests\Models\DDC2504\DDC2504OtherClass', $this->ddc2504OtherClassId); $otherClass = $this->_em->find('Doctrine\Tests\Models\DDC2504\DDC2504OtherClass', $this->ddc2504OtherClassId);
$this->assertFalse($otherClass->getChildClasses()->isInitialized(), "Pre-Condition"); $this->assertFalse($otherClass->childClasses->isInitialized(), "Pre-Condition");
$this->assertEquals(2, count($otherClass->getChildClasses())); $this->assertEquals(2, count($otherClass->childClasses));
} }
/** /**
@ -299,21 +299,21 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
public function testContainsOneToManyJoinedInheritance() public function testContainsOneToManyJoinedInheritance()
{ {
$otherClass = $this->_em->find('Doctrine\Tests\Models\DDC2504\DDC2504OtherClass', $this->ddc2504OtherClassId); $otherClass = $this->_em->find('Doctrine\Tests\Models\DDC2504\DDC2504OtherClass', $this->ddc2504OtherClassId);
$this->assertFalse($otherClass->getChildClasses()->isInitialized(), "Pre-Condition: Collection is not initialized."); $this->assertFalse($otherClass->childClasses->isInitialized(), "Pre-Condition: Collection is not initialized.");
// Test One to Many existence retrieved from DB // Test One to Many existence retrieved from DB
$childClass = $this->_em->find('Doctrine\Tests\Models\DDC2504\DDC2504ChildClass', $this->ddc2504ChildClassId); $childClass = $this->_em->find('Doctrine\Tests\Models\DDC2504\DDC2504ChildClass', $this->ddc2504ChildClassId);
$queryCount = $this->getCurrentQueryCount(); $queryCount = $this->getCurrentQueryCount();
$this->assertTrue($otherClass->getChildClasses()->contains($childClass)); $this->assertTrue($otherClass->childClasses->contains($childClass));
$this->assertFalse($otherClass->getChildClasses()->isInitialized(), "Post-Condition: Collection is not initialized."); $this->assertFalse($otherClass->childClasses->isInitialized(), "Post-Condition: Collection is not initialized.");
$this->assertEquals($queryCount + 1, $this->getCurrentQueryCount()); $this->assertEquals($queryCount + 1, $this->getCurrentQueryCount());
// Test One to Many existence with state new // Test One to Many existence with state new
$childClass = new \Doctrine\Tests\Models\DDC2504\DDC2504ChildClass(); $childClass = new \Doctrine\Tests\Models\DDC2504\DDC2504ChildClass();
$queryCount = $this->getCurrentQueryCount(); $queryCount = $this->getCurrentQueryCount();
$this->assertFalse($otherClass->getChildClasses()->contains($childClass)); $this->assertFalse($otherClass->childClasses->contains($childClass));
$this->assertEquals($queryCount, $this->getCurrentQueryCount(), "Checking for contains of new entity should cause no query to be executed."); $this->assertEquals($queryCount, $this->getCurrentQueryCount(), "Checking for contains of new entity should cause no query to be executed.");
// Test One to Many existence with state clear // Test One to Many existence with state clear
@ -321,9 +321,9 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
$this->_em->flush(); $this->_em->flush();
$queryCount = $this->getCurrentQueryCount(); $queryCount = $this->getCurrentQueryCount();
$this->assertFalse($otherClass->getChildClasses()->contains($childClass)); $this->assertFalse($otherClass->childClasses->contains($childClass));
$this->assertEquals($queryCount+1, $this->getCurrentQueryCount(), "Checking for contains of persisted entity should cause one query to be executed."); $this->assertEquals($queryCount+1, $this->getCurrentQueryCount(), "Checking for contains of persisted entity should cause one query to be executed.");
$this->assertFalse($otherClass->getChildClasses()->isInitialized(), "Post-Condition: Collection is not initialized."); $this->assertFalse($otherClass->childClasses->isInitialized(), "Post-Condition: Collection is not initialized.");
// Test One to Many existence with state managed // Test One to Many existence with state managed
$childClass = new \Doctrine\Tests\Models\DDC2504\DDC2504ChildClass(); $childClass = new \Doctrine\Tests\Models\DDC2504\DDC2504ChildClass();
@ -332,12 +332,12 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
$queryCount = $this->getCurrentQueryCount(); $queryCount = $this->getCurrentQueryCount();
$this->assertFalse($otherClass->getChildClasses()->contains($childClass)); $this->assertFalse($otherClass->childClasses->contains($childClass));
$this->assertEquals($queryCount, $this->getCurrentQueryCount(), "Checking for contains of managed entity (but not persisted) should cause no query to be executed."); $this->assertEquals($queryCount, $this->getCurrentQueryCount(), "Checking for contains of managed entity (but not persisted) should cause no query to be executed.");
$this->assertFalse($otherClass->getChildClasses()->isInitialized(), "Post-Condition: Collection is not initialized."); $this->assertFalse($otherClass->childClasses->isInitialized(), "Post-Condition: Collection is not initialized.");
$this->assertFalse($otherClass->getChildClasses()->isInitialized(), "Pre-Condition"); $this->assertFalse($otherClass->childClasses->isInitialized(), "Pre-Condition");
$this->assertEquals(2, count($otherClass->getChildClasses())); $this->assertEquals(2, count($otherClass->childClasses));
} }
/** /**
@ -472,15 +472,15 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
public function testRemoveElementOneToManyJoinedInheritance() public function testRemoveElementOneToManyJoinedInheritance()
{ {
$otherClass = $this->_em->find('Doctrine\Tests\Models\DDC2504\DDC2504OtherClass', $this->ddc2504OtherClassId); $otherClass = $this->_em->find('Doctrine\Tests\Models\DDC2504\DDC2504OtherClass', $this->ddc2504OtherClassId);
$this->assertFalse($otherClass->getChildClasses()->isInitialized(), "Pre-Condition: Collection is not initialized."); $this->assertFalse($otherClass->childClasses->isInitialized(), "Pre-Condition: Collection is not initialized.");
// Test One to Many removal with Entity retrieved from DB // Test One to Many removal with Entity retrieved from DB
$childClass = $this->_em->find('Doctrine\Tests\Models\DDC2504\DDC2504ChildClass', $this->ddc2504ChildClassId); $childClass = $this->_em->find('Doctrine\Tests\Models\DDC2504\DDC2504ChildClass', $this->ddc2504ChildClassId);
$queryCount = $this->getCurrentQueryCount(); $queryCount = $this->getCurrentQueryCount();
$otherClass->getChildClasses()->removeElement($childClass); $otherClass->childClasses->removeElement($childClass);
$this->assertFalse($otherClass->getChildClasses()->isInitialized(), "Post-Condition: Collection is not initialized."); $this->assertFalse($otherClass->childClasses->isInitialized(), "Post-Condition: Collection is not initialized.");
$this->assertEquals($queryCount + 2, $this->getCurrentQueryCount()); $this->assertEquals($queryCount + 2, $this->getCurrentQueryCount());
// Test One to Many removal with Entity state as new // Test One to Many removal with Entity state as new
@ -488,7 +488,7 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
$queryCount = $this->getCurrentQueryCount(); $queryCount = $this->getCurrentQueryCount();
$otherClass->getChildClasses()->removeElement($childClass); $otherClass->childClasses->removeElement($childClass);
$this->assertEquals($queryCount, $this->getCurrentQueryCount(), "Removing a new entity should cause no query to be executed."); $this->assertEquals($queryCount, $this->getCurrentQueryCount(), "Removing a new entity should cause no query to be executed.");
@ -498,10 +498,10 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
$queryCount = $this->getCurrentQueryCount(); $queryCount = $this->getCurrentQueryCount();
$otherClass->getChildClasses()->removeElement($childClass); $otherClass->childClasses->removeElement($childClass);
$this->assertEquals($queryCount + 2, $this->getCurrentQueryCount(), "Removing a persisted entity should cause two queries to be executed."); $this->assertEquals($queryCount + 2, $this->getCurrentQueryCount(), "Removing a persisted entity should cause two queries to be executed.");
$this->assertFalse($otherClass->getChildClasses()->isInitialized(), "Post-Condition: Collection is not initialized."); $this->assertFalse($otherClass->childClasses->isInitialized(), "Post-Condition: Collection is not initialized.");
// Test One to Many removal with Entity state as managed // Test One to Many removal with Entity state as managed
$childClass = new \Doctrine\Tests\Models\DDC2504\DDC2504ChildClass(); $childClass = new \Doctrine\Tests\Models\DDC2504\DDC2504ChildClass();
@ -510,7 +510,7 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
$queryCount = $this->getCurrentQueryCount(); $queryCount = $this->getCurrentQueryCount();
$otherClass->getChildClasses()->removeElement($childClass); $otherClass->childClasses->removeElement($childClass);
$this->assertEquals($queryCount, $this->getCurrentQueryCount(), "Removing a managed entity should cause no query to be executed."); $this->assertEquals($queryCount, $this->getCurrentQueryCount(), "Removing a managed entity should cause no query to be executed.");
} }
@ -708,10 +708,10 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
$queryCount = $this->getCurrentQueryCount(); $queryCount = $this->getCurrentQueryCount();
$contains = $otherClass->getChildClasses()->containsKey($this->ddc2504ChildClassId); $contains = $otherClass->childClasses->containsKey($this->ddc2504ChildClassId);
$this->assertTrue($contains); $this->assertTrue($contains);
$this->assertFalse($otherClass->getChildClasses()->isInitialized()); $this->assertFalse($otherClass->childClasses->isInitialized());
$this->assertEquals($queryCount + 1, $this->getCurrentQueryCount()); $this->assertEquals($queryCount + 1, $this->getCurrentQueryCount());
} }
@ -881,8 +881,8 @@ class ExtraLazyCollectionTest extends \Doctrine\Tests\OrmFunctionalTestCase
$childClass1->other = $otherClass; $childClass1->other = $otherClass;
$childClass2->other = $otherClass; $childClass2->other = $otherClass;
$otherClass->addChildClass($childClass1); $otherClass->childClasses[] = $childClass1;
$otherClass->addChildClass($childClass2); $otherClass->childClasses[] = $childClass2;
$this->_em->persist($childClass1); $this->_em->persist($childClass1);
$this->_em->persist($childClass2); $this->_em->persist($childClass2);