Author: Jonathan H. Wage (jonwage@gmail.com)
Inheritance: implements Doctrine\Common\Persistence\Mapping\ClassMetadataFactory
 /**
  * Returns the ClassMetadata descriptor for a class.
  *
  * The class name must be the fully-qualified class name without a leading backslash
  * (as it is returned by get_class($obj)).
  *
  * @param string $className
  *
  * @return \Doctrine\Common\Persistence\Mapping\ClassMetadata
  */
 public function getClassMetadata($className)
 {
     return $this->metadataFactory->getMetadataFor($className);
 }