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from abc import abstractmethod

from m5.objects import Directory_Controller


class AbstractDirectory(Directory_Controller):

    _version = 0

    @classmethod
    def versionCount(cls):
        cls._version += 1  # Use count for this particular type
        return cls._version - 1

    def __init__(self, network, cache_line_size):
        """ """
        super(AbstractDirectory, self).__init__()
        self.version = self.versionCount()
        self._cache_line_size = cache_line_size
        self.connectQueues(network)

    @abstractmethod
    def connectQueues(self, network):
        """Connect all of the queues for this controller."""
        raise NotImplementedError