/**
* {@inheritdoc}
*
* @param object $sourceEntity the entity source of this association
* @param object $targetEntity the entity to load data in
* @param EntityManager $em
* @param array $joinColumnValues Values of the join columns of $sourceEntity.
*/
public function load($sourceEntity, $targetEntity, $em, array $joinColumnValues = array())
{
$targetClass = $em->getClassMetadata($this->targetEntityName);
if ($this->isOwningSide) {
$inverseField = isset($targetClass->inverseMappings[$this->sourceEntityName][$this->sourceFieldName]) ? $targetClass->inverseMappings[$this->sourceEntityName][$this->sourceFieldName]->sourceFieldName : false;
// Mark inverse side as fetched in the hints, otherwise the UoW would
// try to load it in a separate query (remember: to-one inverse sides can not be lazy).
$hints = array();
if ($inverseField) {
$hints['fetched'][$targetClass->name][$inverseField] = true;
if ($targetClass->subClasses) {
foreach ($targetClass->subClasses as $targetSubclassName) {
$hints['fetched'][$targetSubclassName][$inverseField] = true;
}
}
}
/* cascade read-only status
if ($em->getUnitOfWork()->isReadOnly($sourceEntity)) {
$hints[Query::HINT_READ_ONLY] = true;
}
*/
$targetEntity = $em->getUnitOfWork()->getEntityPersister($this->targetEntityName)->load($joinColumnValues, $targetEntity, $this, $hints);
if ($targetEntity !== null && $inverseField && !$targetClass->isCollectionValuedAssociation($inverseField)) {
$targetClass->reflFields[$inverseField]->setValue($targetEntity, $sourceEntity);
}
} else {
$conditions = array();
$sourceClass = $em->getClassMetadata($this->sourceEntityName);
$owningAssoc = $targetClass->getAssociationMapping($this->mappedBy);
// TRICKY: since the association is specular source and target are flipped
foreach ($owningAssoc->targetToSourceKeyColumns as $sourceKeyColumn => $targetKeyColumn) {
if (isset($sourceClass->fieldNames[$sourceKeyColumn])) {
$conditions[$targetKeyColumn] = $sourceClass->reflFields[$sourceClass->fieldNames[$sourceKeyColumn]]->getValue($sourceEntity);
} else {
throw MappingException::joinColumnMustPointToMappedField($sourceClass->name, $sourceKeyColumn);
}
}
$targetEntity = $em->getUnitOfWork()->getEntityPersister($this->targetEntityName)->load($conditions, $targetEntity, $this);
if ($targetEntity !== null) {
$targetClass->setFieldValue($targetEntity, $this->mappedBy, $sourceEntity);
}
}
return $targetEntity;
}
/**
* Loads entities in $targetCollection using $em.
* The data of $sourceEntity are used to restrict the collection
* via the join table.
*
* @param object The owner of the collection.
* @param object The collection to populate.
* @param array
*/
public function load($sourceEntity, $targetCollection, $em, array $joinColumnValues = array())
{
$sourceClass = $em->getClassMetadata($this->sourceEntityName);
$joinTableConditions = array();
if ($this->isOwningSide) {
foreach ($this->relationToSourceKeyColumns as $relationKeyColumn => $sourceKeyColumn) {
// getting id
if (isset($sourceClass->fieldNames[$sourceKeyColumn])) {
$joinTableConditions[$relationKeyColumn] = $sourceClass->reflFields[$sourceClass->fieldNames[$sourceKeyColumn]]->getValue($sourceEntity);
} else {
throw MappingException::joinColumnMustPointToMappedField($sourceClass->name, $sourceKeyColumn);
}
}
} else {
$owningAssoc = $em->getClassMetadata($this->targetEntityName)->associationMappings[$this->mappedBy];
// TRICKY: since the association is inverted source and target are flipped
foreach ($owningAssoc->relationToTargetKeyColumns as $relationKeyColumn => $sourceKeyColumn) {
// getting id
if (isset($sourceClass->fieldNames[$sourceKeyColumn])) {
$joinTableConditions[$relationKeyColumn] = $sourceClass->reflFields[$sourceClass->fieldNames[$sourceKeyColumn]]->getValue($sourceEntity);
} else {
throw MappingException::joinColumnMustPointToMappedField($sourceClass->name, $sourceKeyColumn);
}
}
}
$persister = $em->getUnitOfWork()->getEntityPersister($this->targetEntityName);
$persister->loadManyToManyCollection($this, $joinTableConditions, $targetCollection);
}
