def id(self):
        """id property based on server_and_prefix and identifier."""
        id = ''
        if (self.server_and_prefix is not None and
                self.server_and_prefix != ''):
            id += self.server_and_prefix + '/'
        if (self.identifier is not None):
            id += self.identifier
        return id
def id ( self ) : id = '' if ( self . server_and_prefix is not None and self . server_and_prefix != '' ) : id += self . server_and_prefix + '/' if ( self . identifier is not None ) : id += self . identifier return id
id property based on server_and_prefix and identifier.