original_string: public function getPropertyMetadata($propertyName)
      {
          if (!isset($this->propertyMetadata[$propertyName])) {
              throw MappingException::mappingNotFound($this->name, $propertyName);
          }
  
          return $this->propertyMetadata[$propertyName];
      }
code: public function getPropertyMetadata($propertyName)
      {
          if (!isset($this->propertyMetadata[$propertyName])) {
              throw MappingException::mappingNotFound($this->name, $propertyName);
          }
  
          return $this->propertyMetadata[$propertyName];
      }
code_tokens: public function getPropertyMetadata ( $ propertyName ) { if ( ! isset ( $ this -> propertyMetadata [ $ propertyName ] ) ) { throw MappingException :: mappingNotFound ( $ this -> name , $ propertyName ) ; } return $ this -> propertyMetadata [ $ propertyName ] ; }
docstring: Gets the mapping metadata of a property.
  
  @param string $propertyName The property name.
  
  @return PropertyMetadata The property mapping.
  
  @throws MappingException
docstring_tokens: Gets the mapping metadata of a property .