/**
* Initializes the options for the object.
*
* Called from {@link __construct()} as a first step of object instantiation.
*
* @param object An optional KConfig object with configuration options.
*/
protected function _initialize(KConfig $config)
{
$child = clone $this->_parent;
$child->name = KInflector::singularize($config->name);
$config->append(array('entityset' => 'anahita:domain.entityset.onetomany', 'cardinality' => 'many', 'child_key' => $this->_parent->name, 'parent_delete' => AnDomain::DELETE_CASCADE, 'child' => $child));
parent::_initialize($config);
}
/**
* Get the proxied entity. Since there could many entities proxied. The getObject method will try to
* load all the proxied entities of the same type in order to reduce the number of calls
* to the storage later on.
*
* @return AnDomainEntityAbstract
*/
public function getObject()
{
//security check
if (!isset($this->_object)) {
$condition = array($this->_property => $this->_value);
$repository = AnDomain::getRepository($this->getIdentifier());
//check if an entity exiting in the repository with $condition
if ($data = $repository->find($condition, false)) {
$this->_object = $data;
return $this->_object;
}
//now time to fetch the object from the database
//but lets grab all the similar entities all together
$handle = $this->getIdentifier() . $this->_property;
$values = isset(self::$_values[$handle]) ? self::$_values[$handle] : array();
if (empty($values)) {
return;
}
$values = AnHelperArray::unique($values);
$query = $repository->getQuery();
AnDomainQueryHelper::applyFilters($query, $this->_relationship->getQueryFilters());
$query->where(array($this->_property => $values));
$entities = $repository->fetchSet($query);
//the object must have been fetched with the set
//in the previous line
//if the object is still not fetched, then the object
//doesn't exists in the databse
$this->_object = $repository->find($condition, false);
if (!$this->_object) {
//lets cache the null result to prevent re-fetching
//the same result
$query = $repository->getQuery()->where($condition)->limit(1);
if ($repository->hasBehavior('cachable')) {
$repository->emptyCache($query);
}
$this->_object = false;
//if it's a required one-to-one relationship
//then instantaite a new entity if the entity doesn't exists
if ($this->_relationship->isOneToOne()) {
if ($this->_relationship->isRequired()) {
$this->_object = $repository->getEntity(array('data' => array($this->_property => $this->_value)));
}
}
}
unset(self::$_values[$handle]);
}
return $this->_object;
}
/**
* Initializes the options for the object.
*
* Called from {@link __construct()} as a first step of object instantiation.
*
* @param object An optional KConfig object with configuration options.
*/
protected function _initialize(KConfig $config)
{
//disable the chain for the belongs to relationship
$config->append(array('query' => array('disable_chain' => true)));
parent::_initialize($config);
}
