/**
* Retrieve list of parents
*
* @param string $type
* @return array
*/
public function getParents($type)
{
if (!class_exists($type)) {
return $this->_default;
}
return $this->_classReader->getParents($type) ?: $this->_default;
}
/**
* Asserts that item type is collection defined type
*
* @param string $instanceName
* @param string|int|null $index
* @return void
* @throws \InvalidArgumentException
*/
private function assertValidTypeLazy($instanceName, $index = null)
{
$realType = $this->configInterface->getInstanceType($this->configInterface->getPreference($instanceName));
if (!in_array($this->type, $this->classReaderInterface->getParents($realType), true)) {
$this->throwTypeException($realType, $index);
}
}
