def METHOD_NAME (self, tgt, ttype=None) :
    '''
    get_size(tgt)
    tgt:     logical file to get size for
    ttype:    saga.task.type enum
    ret:      int / saga.Task
    Returns the size of the physical file represented by the given logical
    file (in bytes)
       Example::
           # get a logical directory handle
           lf = saga.replica.LogicalFile("irods://localhost/tmp/data/")
           # print a logical file's size
           print(lf.get_size ('data.dat'))
    '''
    tgt_url = ru.Url (tgt)
    return self._adaptor.METHOD_NAME (tgt_url, ttype=ttype)