/**
* Loads a collection of entities of a many-to-many association.
*
* @param ManyToManyMapping $assoc The association mapping of the association being loaded.
* @param object $sourceEntity The entity that owns the collection.
* @param PersistentCollection $coll The collection to fill.
*/
public function loadManyToManyCollection(array $assoc, $sourceEntity, PersistentCollection $coll)
{
$criteria = array();
$sourceClass = $this->_em->getClassMetadata($assoc['sourceEntity']);
$joinTableConditions = array();
if ($assoc['isOwningSide']) {
foreach ($assoc['relationToSourceKeyColumns'] as $relationKeyColumn => $sourceKeyColumn) {
if (isset($sourceClass->fieldNames[$sourceKeyColumn])) {
$criteria[$relationKeyColumn] = $sourceClass->reflFields[$sourceClass->fieldNames[$sourceKeyColumn]]->getValue($sourceEntity);
} else {
throw MappingException::joinColumnMustPointToMappedField($sourceClass->name, $sourceKeyColumn);
}
}
} else {
$owningAssoc = $this->_em->getClassMetadata($assoc['targetEntity'])->associationMappings[$assoc['mappedBy']];
// TRICKY: since the association is inverted source and target are flipped
foreach ($owningAssoc['relationToTargetKeyColumns'] as $relationKeyColumn => $sourceKeyColumn) {
if (isset($sourceClass->fieldNames[$sourceKeyColumn])) {
$criteria[$relationKeyColumn] = $sourceClass->reflFields[$sourceClass->fieldNames[$sourceKeyColumn]]->getValue($sourceEntity);
} else {
throw MappingException::joinColumnMustPointToMappedField($sourceClass->name, $sourceKeyColumn);
}
}
}
$sql = $this->_getSelectEntitiesSQL($criteria, $assoc);
$stmt = $this->_conn->executeQuery($sql, array_values($criteria));
while ($result = $stmt->fetch(PDO::FETCH_ASSOC)) {
$coll->hydrateAdd($this->_createEntity($result));
}
$stmt->closeCursor();
}
private function getManyToManyStatement(array $assoc, $sourceEntity, $offset = null, $limit = null)
{
$criteria = array();
$sourceClass = $this->_em->getClassMetadata($assoc['sourceEntity']);
if ($assoc['isOwningSide']) {
$quotedJoinTable = $sourceClass->getQuotedJoinTableName($assoc, $this->_platform);
foreach ($assoc['relationToSourceKeyColumns'] as $relationKeyColumn => $sourceKeyColumn) {
if ($sourceClass->containsForeignIdentifier) {
$field = $sourceClass->getFieldForColumn($sourceKeyColumn);
$value = $sourceClass->reflFields[$field]->getValue($sourceEntity);
if (isset($sourceClass->associationMappings[$field])) {
$value = $this->_em->getUnitOfWork()->getEntityIdentifier($value);
$value = $value[$this->_em->getClassMetadata($sourceClass->associationMappings[$field]['targetEntity'])->identifier[0]];
}
$criteria[$quotedJoinTable . "." . $relationKeyColumn] = $value;
} else {
if (isset($sourceClass->fieldNames[$sourceKeyColumn])) {
$criteria[$quotedJoinTable . "." . $relationKeyColumn] = $sourceClass->reflFields[$sourceClass->fieldNames[$sourceKeyColumn]]->getValue($sourceEntity);
} else {
throw MappingException::joinColumnMustPointToMappedField($sourceClass->name, $sourceKeyColumn);
}
}
}
} else {
$owningAssoc = $this->_em->getClassMetadata($assoc['targetEntity'])->associationMappings[$assoc['mappedBy']];
$quotedJoinTable = $sourceClass->getQuotedJoinTableName($owningAssoc, $this->_platform);
// TRICKY: since the association is inverted source and target are flipped
foreach ($owningAssoc['relationToTargetKeyColumns'] as $relationKeyColumn => $sourceKeyColumn) {
if ($sourceClass->containsForeignIdentifier) {
$field = $sourceClass->getFieldForColumn($sourceKeyColumn);
$value = $sourceClass->reflFields[$field]->getValue($sourceEntity);
if (isset($sourceClass->associationMappings[$field])) {
$value = $this->_em->getUnitOfWork()->getEntityIdentifier($value);
$value = $value[$this->_em->getClassMetadata($sourceClass->associationMappings[$field]['targetEntity'])->identifier[0]];
}
$criteria[$quotedJoinTable . "." . $relationKeyColumn] = $value;
} else {
if (isset($sourceClass->fieldNames[$sourceKeyColumn])) {
$criteria[$quotedJoinTable . "." . $relationKeyColumn] = $sourceClass->reflFields[$sourceClass->fieldNames[$sourceKeyColumn]]->getValue($sourceEntity);
} else {
throw MappingException::joinColumnMustPointToMappedField($sourceClass->name, $sourceKeyColumn);
}
}
}
}
$sql = $this->_getSelectEntitiesSQL($criteria, $assoc, 0, $limit, $offset);
list($params, $types) = $this->expandParameters($criteria);
return $this->_conn->executeQuery($sql, $params, $types);
}
/**
* @param array $assoc
* @param object $sourceEntity
* @param int|null $offset
* @param int|null $limit
*
* @return \Doctrine\DBAL\Driver\Statement
*
* @throws \Doctrine\ORM\Mapping\MappingException
*/
private function getManyToManyStatement(array $assoc, $sourceEntity, $offset = null, $limit = null)
{
$sourceClass = $this->em->getClassMetadata($assoc['sourceEntity']);
$class = $sourceClass;
$association = $assoc;
$criteria = array();
if ( ! $assoc['isOwningSide']) {
$class = $this->em->getClassMetadata($assoc['targetEntity']);
$association = $class->associationMappings[$assoc['mappedBy']];
}
$joinColumns = $assoc['isOwningSide']
? $association['joinTable']['joinColumns']
: $association['joinTable']['inverseJoinColumns'];
$quotedJoinTable = $this->quoteStrategy->getJoinTableName($association, $class, $this->platform);
foreach ($joinColumns as $joinColumn) {
$sourceKeyColumn = $joinColumn['referencedColumnName'];
$quotedKeyColumn = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
switch (true) {
case $sourceClass->containsForeignIdentifier:
$field = $sourceClass->getFieldForColumn($sourceKeyColumn);
$value = $sourceClass->reflFields[$field]->getValue($sourceEntity);
if (isset($sourceClass->associationMappings[$field])) {
$value = $this->em->getUnitOfWork()->getEntityIdentifier($value);
$value = $value[$this->em->getClassMetadata($sourceClass->associationMappings[$field]['targetEntity'])->identifier[0]];
}
break;
case isset($sourceClass->fieldNames[$sourceKeyColumn]):
$field = $sourceClass->fieldNames[$sourceKeyColumn];
$value = $sourceClass->reflFields[$field]->getValue($sourceEntity);
break;
default:
throw MappingException::joinColumnMustPointToMappedField(
$sourceClass->name, $sourceKeyColumn
);
}
$criteria[$quotedJoinTable . '.' . $quotedKeyColumn] = $value;
}
$sql = $this->getSelectSQL($criteria, $assoc, 0, $limit, $offset);
list($params, $types) = $this->expandParameters($criteria);
return $this->conn->executeQuery($sql, $params, $types);
}
