/** Work out the class to instantiate a resource as
* @ignore
*/
protected function classForResource($uri)
{
$rdfType = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#type';
if (isset($this->index[$uri][$rdfType])) {
foreach ($this->index[$uri][$rdfType] as $type) {
if ($type['type'] == 'uri' or $type['type'] == 'bnode') {
$class = TypeMapper::get($type['value']);
if ($class != null) {
return $class;
}
}
}
}
// Parsers don't typically add a rdf:type to rdf:List, so we have to
// do a bit of 'inference' here using properties.
if ($uri == 'http://www.w3.org/1999/02/22-rdf-syntax-ns#nil' or isset($this->index[$uri]['http://www.w3.org/1999/02/22-rdf-syntax-ns#first']) or isset($this->index[$uri]['http://www.w3.org/1999/02/22-rdf-syntax-ns#rest'])) {
return 'EasyRdf\\Collection';
}
return TypeMapper::getDefaultResourceClass();
}
/**
* @param object $entity
* @param string $field
* @return mixed
*/
protected function saveField($entity, $field)
{
$meta = $this->getMetadata($entity);
$propMapping = $meta->getFieldMapping($field);
return $this->typeMapper->save($meta->getFieldValue($entity, $field), $propMapping['type']);
}
/**
* Sets the default resource class
*
* @param string $class The resource full class name (e.g. \MyCompany\Resource)
*
* @throws \InvalidArgumentException
* @return string The default Resource class
*/
public static function setDefaultResourceClass($class)
{
if (!is_string($class) or $class == null or $class == '') {
throw new \InvalidArgumentException("\$class should be a string and cannot be null or empty");
}
if (!class_exists($class)) {
throw new \InvalidArgumentException("Given class should be an existing class");
}
$ancestors = class_parents($class);
if ($class != 'EasyRdf\\Resource' && (empty($ancestors) || !in_array('EasyRdf\\Resource', $ancestors))) {
throw new \InvalidArgumentException("Given class should have EasyRdf\\Resource as an ancestor");
}
return self::$defaultResourceClass = $class;
}
}
/*
Register default set of mapped types
*/
TypeMapper::set('rdf:Alt', 'EasyRdf\\Container');
TypeMapper::set('rdf:Bag', 'EasyRdf\\Container');
TypeMapper::set('rdf:List', 'EasyRdf\\Collection');
TypeMapper::set('rdf:Seq', 'EasyRdf\\Container');
