def clear_rr_ce_entries(self):
        # type: () -> None
        '''
        A method to clear out all of the extent locations of all Rock Ridge
        Continuation Entries that the PVD is tracking.  This can be used to
        reset all data before assigning new data.

        Parameters:
         None.
        Returns:
         Nothing.
        '''
        if not self._initialized:
            raise pycdlibexception.PyCdlibInternalError('This Primary Volume Descriptor is not yet initialized')

        for block in self.rr_ce_blocks:
            block.set_extent_location(-1)
A method to clear out all of the extent locations of all Rock Ridge
        Continuation Entries that the PVD is tracking.  This can be used to
        reset all data before assigning new data.

        Parameters:
         None.
        Returns:
         Nothing.