.
*/
namespace Doctrine\ORM\Mapping;
/**
* A one-to-one mapping describes a uni-directional mapping from one entity
* to another entity.
*
* IMPORTANT NOTE:
*
* The fields of this class are only public for 2 reasons:
* 1) To allow fast, internal READ access.
* 2) To drastically reduce the size of a serialized instance (private/protected members
* get the whole class name, namespace inclusive, prepended to every property in
* the serialized representation).
*
* @since 2.0
* @author Roman Borschel
* @author Giorgio Sironi
*/
class OneToOneMapping extends AssociationMapping
{
/**
* Maps the source foreign/primary key columns to the target primary/foreign key columns.
* i.e. source.id (pk) => target.user_id (fk).
* Reverse mapping of _targetToSourceKeyColumns.
*/
public $sourceToTargetKeyColumns = array();
/**
* Maps the target primary/foreign key columns to the source foreign/primary key columns.
* i.e. target.user_id (fk) => source.id (pk).
* Reverse mapping of _sourceToTargetKeyColumns.
*/
public $targetToSourceKeyColumns = array();
/**
* Whether to delete orphaned elements (when nulled out, i.e. $foo->other = null)
*
* @var boolean
*/
public $orphanRemoval = false;
/**
* The join column definitions.
*
* @var array
*/
public $joinColumns = array();
/**
* A map of join column names to field names that are used in cases
* when the join columns are fetched as part of the query result.
*
* @var array
*/
public $joinColumnFieldNames = array();
/**
* Creates a new OneToOneMapping.
*
* @param array $mapping The mapping info.
*/
public function __construct(array $mapping)
{
parent::__construct($mapping);
}
/**
* {@inheritdoc}
*
* @param array $mapping The mapping to validate & complete.
* @return array The validated & completed mapping.
* @override
*/
protected function _validateAndCompleteMapping(array $mapping)
{
parent::_validateAndCompleteMapping($mapping);
if (isset($mapping['joinColumns']) && $mapping['joinColumns']) {
$this->isOwningSide = true;
}
if ($this->isOwningSide) {
if ( ! isset($mapping['joinColumns'])) {
throw MappingException::invalidMapping($this->sourceFieldName);
}
foreach ($mapping['joinColumns'] as &$joinColumn) {
if ($joinColumn['name'][0] == '`') {
$joinColumn['name'] = trim($joinColumn['name'], '`');
$joinColumn['quoted'] = true;
}
$this->sourceToTargetKeyColumns[$joinColumn['name']] = $joinColumn['referencedColumnName'];
$this->joinColumnFieldNames[$joinColumn['name']] = isset($joinColumn['fieldName'])
? $joinColumn['fieldName'] : $joinColumn['name'];
}
$this->joinColumns = $mapping['joinColumns'];
$this->targetToSourceKeyColumns = array_flip($this->sourceToTargetKeyColumns);
}
$this->orphanRemoval = isset($mapping['orphanRemoval']) ?
(bool) $mapping['orphanRemoval'] : false;
/*if ($this->isOptional) {
$this->fetchMode = self::FETCH_EAGER;
}*/
return $mapping;
}
/**
* Gets the join column definitions for this mapping.
*
* @return array
*/
public function getJoinColumns()
{
return $this->joinColumns;
}
/**
* Gets the source-to-target key column mapping.
*
* @return array
*/
public function getSourceToTargetKeyColumns()
{
return $this->sourceToTargetKeyColumns;
}
/**
* Gets the target-to-source key column mapping.
*
* @return array
*/
public function getTargetToSourceKeyColumns()
{
return $this->targetToSourceKeyColumns;
}
/**
* {@inheritdoc}
*
* @return boolean
* @override
*/
public function isOneToOne()
{
return true;
}
/**
* Gets the (possibly quoted) column name of a join column that is safe to use
* in an SQL statement.
*
* @param string $joinColumn
* @param AbstractPlatform $platform
* @return string
*/
public function getQuotedJoinColumnName($joinColumn, $platform)
{
return isset($this->joinColumns[$joinColumn]['quoted']) ?
$platform->quoteIdentifier($joinColumn) :
$joinColumn;
}
/**
* {@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. There are no fields
* to store this data in $sourceEntity
*/
public function load($sourceEntity, $targetEntity, $em, array $joinColumnValues = array())
{
$sourceClass = $em->getClassMetadata($this->sourceEntityName);
$targetClass = $em->getClassMetadata($this->targetEntityName);
$conditions = array();
if ($this->isOwningSide) {
foreach ($this->sourceToTargetKeyColumns as $sourceKeyColumn => $targetKeyColumn) {
// getting customer_id
if (isset($sourceClass->reflFields[$sourceKeyColumn])) {
$conditions[$targetKeyColumn] = $sourceClass->reflFields[$sourceClass->fieldNames[$sourceKeyColumn]]->getValue($sourceEntity);
} else {
$conditions[$targetKeyColumn] = $joinColumnValues[$sourceKeyColumn];
}
}
$targetEntity = $em->getUnitOfWork()->getEntityPersister($this->targetEntityName)->load($conditions, $targetEntity);
if ($targetEntity !== null && $targetClass->hasInverseAssociationMapping($this->sourceEntityName, $this->sourceFieldName)) {
$targetClass->setFieldValue($targetEntity,
$targetClass->inverseMappings[$this->sourceEntityName][$this->sourceFieldName]->sourceFieldName,
$sourceEntity);
}
} else {
$owningAssoc = $em->getClassMetadata($this->targetEntityName)->getAssociationMapping($this->mappedByFieldName);
// TRICKY: since the association is specular source and target are flipped
foreach ($owningAssoc->targetToSourceKeyColumns as $sourceKeyColumn => $targetKeyColumn) {
// getting id
if (isset($sourceClass->reflFields[$sourceKeyColumn])) {
$conditions[$targetKeyColumn] = $sourceClass->reflFields[$sourceClass->fieldNames[$sourceKeyColumn]]->getValue($sourceEntity);
} else {
$conditions[$targetKeyColumn] = $joinColumnValues[$sourceKeyColumn];
}
}
$targetEntity = $em->getUnitOfWork()->getEntityPersister($this->targetEntityName)->load($conditions, $targetEntity);
$targetClass->setFieldValue($targetEntity, $this->mappedByFieldName, $sourceEntity);
}
}
}