protected function _strategies()
{
return array(static::LINK_EMBEDDED => function ($object, $relationship) {
$fieldName = $relationship->fieldName();
return $object->{$fieldName};
}, static::LINK_CONTAINED => function ($object, $relationship) {
$isArray = $relationship->type() === "hasMany";
return $isArray ? $object->parent()->parent() : $object->parent();
}, static::LINK_KEY => function ($object, $relationship, $options) {
$model = $relationship->to();
if (!($query = $relationship->query($object))) {
return;
}
$method = $relationship->type() === "hasMany" ? 'all' : 'first';
return $model::$method(Set::merge((array) $query, (array) $options));
}, static::LINK_KEY_LIST => function ($object, $relationship, $options) {
$model = $relationship->to();
$query = $relationship->query($object);
return $model::all(Set::merge($query, $options));
});
}