.
*/
namespace Doctrine\ORM\Mapping;
/**
* Base class for association mappings.
*
* 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).
*
* @author Roman Borschel
* @since 2.0
*/
abstract class AssociationMapping
{
/**
* Specifies that an association is to be fetched when it is first accessed.
*
* @var integer
*/
const FETCH_LAZY = 2;
/**
* Specifies that an association is to be fetched when the owner of the
* association is fetched.
*
* @var integer
*/
const FETCH_EAGER = 3;
/**
* READ-ONLY: Whether the association cascades delete() operations from the source entity
* to the target entity/entities.
*
* @var boolean
*/
public $isCascadeRemove;
/**
* READ-ONLY: Whether the association cascades save() operations from the source entity
* to the target entity/entities.
*
* @var boolean
*/
public $isCascadePersist;
/**
* READ-ONLY: Whether the association cascades refresh() operations from the source entity
* to the target entity/entities.
*
* @var boolean
*/
public $isCascadeRefresh;
/**
* READ-ONLY: Whether the association cascades merge() operations from the source entity
* to the target entity/entities.
*
* @var boolean
*/
public $isCascadeMerge;
/**
* READ-ONLY: Whether the association cascades detach() operations from the source entity
* to the target entity/entities.
*
* @var boolean
*/
public $isCascadeDetach;
/**
* READ-ONLY: The fetch mode used for the association.
*
* @var integer
*/
public $fetchMode;
/**
* READ-ONLY: Flag that indicates whether the class that defines this mapping is
* the owning side of the association.
*
* @var boolean
*/
public $isOwningSide = true;
/**
* READ-ONLY: The name of the source Entity (the Entity that defines this mapping).
*
* @var string
*/
public $sourceEntityName;
/**
* READ-ONLY: The name of the target Entity (the Enitity that is the target of the
* association).
*
* @var string
*/
public $targetEntityName;
/**
* READ-ONLY: Identifies the field on the source class (the class this AssociationMapping
* belongs to) that represents the association and stores the reference to the
* other entity/entities.
*
* @var string
*/
public $sourceFieldName;
/**
* READ-ONLY: Identifies the field on the owning side of a bidirectional association that
* controls the mapping for the association. This is only set on the inverse side
* of an association.
*
* @var string
*/
public $mappedBy;
/**
* READ-ONLY: Identifies the field on the inverse side of a bidirectional association.
* This is only set on the owning side of an association.
*
* @var string
*/
public $inversedBy;
/**
* READ-ONLY: The join table definition, if any.
*
* @var array
*/
public $joinTable = array();
/**
* Initializes a new instance of a class derived from AssociationMapping.
*
* @param array $mapping The mapping definition.
*/
public function __construct(array $mapping)
{
if ($mapping) {
$this->_validateAndCompleteMapping($mapping);
}
}
/**
* Validates & completes the mapping. Mapping defaults are applied here.
*
* @param array $mapping
* @throws MappingException If something is wrong with the mapping.
*/
protected function _validateAndCompleteMapping(array $mapping)
{
// Mandatory attributes for both sides
if ( ! isset($mapping['fieldName'])) {
throw MappingException::missingFieldName();
}
$this->sourceFieldName = $mapping['fieldName'];
if ( ! isset($mapping['sourceEntity'])) {
throw MappingException::missingSourceEntity($mapping['fieldName']);
}
$this->sourceEntityName = $mapping['sourceEntity'];
if ( ! isset($mapping['targetEntity'])) {
throw MappingException::missingTargetEntity($mapping['fieldName']);
}
$this->targetEntityName = $mapping['targetEntity'];
// Mandatory and optional attributes for either side
if ( ! isset($mapping['mappedBy'])) {
// Optional
if (isset($mapping['joinTable']) && $mapping['joinTable']) {
if ($mapping['joinTable']['name'][0] == '`') {
$mapping['joinTable']['name'] = trim($mapping['joinTable']['name'], '`');
$mapping['joinTable']['quoted'] = true;
}
$this->joinTable = $mapping['joinTable'];
}
if (isset($mapping['inversedBy'])) {
$this->inversedBy = $mapping['inversedBy'];
}
} else {
$this->isOwningSide = false;
$this->mappedBy = $mapping['mappedBy'];
}
// Optional attributes for both sides
$this->fetchMode = isset($mapping['fetch']) ? $mapping['fetch'] : self::FETCH_LAZY;
$cascades = isset($mapping['cascade']) ? $mapping['cascade'] : array();
if (in_array('all', $cascades)) {
$cascades = array(
'remove',
'persist',
'refresh',
'merge',
'detach'
);
}
$this->isCascadeRemove = in_array('remove', $cascades);
$this->isCascadePersist = in_array('persist', $cascades);
$this->isCascadeRefresh = in_array('refresh', $cascades);
$this->isCascadeMerge = in_array('merge', $cascades);
$this->isCascadeDetach = in_array('detach', $cascades);
}
/**
* Whether the target entity/entities of the association are eagerly fetched.
*
* @return boolean
*/
public function isEagerlyFetched()
{
return $this->fetchMode == self::FETCH_EAGER;
}
/**
* Whether the target entity/entities of the association are lazily fetched.
*
* @return boolean
*/
public function isLazilyFetched()
{
return $this->fetchMode == self::FETCH_LAZY;
}
/**
* Whether the association is a one-to-one association.
*
* @return boolean
*/
public function isOneToOne()
{
return false;
}
/**
* Whether the association is a one-to-many association.
*
* @return boolean
*/
public function isOneToMany()
{
return false;
}
/**
* Whether the association is a many-to-many association.
*
* @return boolean
*/
public function isManyToMany()
{
return false;
}
/**
* Whether the association uses a join table for the mapping.
*
* @return boolean
*/
public function usesJoinTable()
{
return (bool) $this->joinTable;
}
/**
* Checks whether the association has any cascades configured.
*
* @return boolean
*/
public function hasCascades()
{
return $this->isCascadePersist ||
$this->isCascadeRemove ||
$this->isCascadeRefresh ||
$this->isCascadeMerge ||
$this->isCascadeDetach;
}
/**
* Loads data in $target domain object using this association.
* The data comes from the association navigated from $sourceEntity
* using $em.
*
* @param object $sourceEntity
* @param object $target an entity or a collection
* @param EntityManager $em
* @param array $joinColumnValues foreign keys (significative for this
* association) of $sourceEntity, if needed
*/
abstract public function load($sourceEntity, $target, $em, array $joinColumnValues = array());
/**
*
* @param $platform
* @return string
*/
public function getQuotedJoinTableName($platform)
{
return isset($this->joinTable['quoted'])
? $platform->quoteIdentifier($this->joinTable['name'])
: $this->joinTable['name'];
}
}