# Copyright (c) 2015 The University of Manchester
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from spinn_utilities.abstract_base import abstractproperty, AbstractBase


class AbstractEIEIOMessage(object, metaclass=AbstractBase):
    """
    Interface for an EIEIOMessage.
    """

    __slots__ = ()

    @abstractproperty
    def eieio_header(self):
        """
        The header of the message.
        """

    @abstractproperty
    def bytestring(self):
        """
        The bytes of the message.

        :rtype: bytes
        """
