/**
* @param $entity
* @return mixed
* @throws RuntimeException
*/
public function getIdentity($entity)
{
$identity = $this->propertyAccessor->getValue($entity, $this->identity->getPropertyName());
if (empty($identity) && $identity !== 0) {
throw new RuntimeException("Can't get identity from not identified entity.");
}
return $identity;
}
/**
* @param $className
* @param Identity $idDefinition
* @param array $observedProperties
* @throws InvalidArgumentException
* @throws NotExistingPropertyException
*/
private function validatePropertyPaths($className, Identity $idDefinition, array $observedProperties)
{
$reflection = new \ReflectionClass($className);
foreach ($observedProperties as $property) {
$propertyName = $property->getName();
if ($idDefinition->isEqual($propertyName)) {
throw new InvalidArgumentException("Id definition property path can't be between observer properties.");
}
if (!$reflection->hasProperty($propertyName)) {
throw new NotExistingPropertyException(sprintf("Property \"%s\" does not exists in \"%s\" class.", $propertyName, $className));
}
}
}
