def __init__(self, multireader, cache_size):
        """
        :type multireader: FileMultiReader
        """
        self.multireader = multireader
        self.cache_size = cache_size
        self._cursor = 0
def __init__ ( self , multireader , cache_size ) : self . multireader = multireader self . cache_size = cache_size self . _cursor = 0
:type multireader: FileMultiReader