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Diffstat (limited to 'yardstick/common/messaging/payloads.py')
-rw-r--r-- | yardstick/common/messaging/payloads.py | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/yardstick/common/messaging/payloads.py b/yardstick/common/messaging/payloads.py new file mode 100644 index 000000000..d29d79808 --- /dev/null +++ b/yardstick/common/messaging/payloads.py @@ -0,0 +1,53 @@ +# Copyright (c) 2018 Intel Corporation +# +# 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 +# +# http://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. + +import abc + +import six + +from yardstick.common import exceptions + + +@six.add_metaclass(abc.ABCMeta) +class Payload(object): + """Base Payload class to transfer data through the MQ service""" + + REQUIRED_FIELDS = {'version'} + + def __init__(self, **kwargs): + """Init method + + :param kwargs: (dictionary) attributes and values of the object + :returns: Payload object + """ + + if not all(req_field in kwargs for req_field in self.REQUIRED_FIELDS): + _attrs = set(kwargs) - self.REQUIRED_FIELDS + missing_attributes = ', '.join(str(_attr) for _attr in _attrs) + raise exceptions.PayloadMissingAttributes( + missing_attributes=missing_attributes) + + for name, value in kwargs.items(): + setattr(self, name, value) + + self._fields = set(kwargs.keys()) + + def obj_to_dict(self): + """Returns a dictionary with the attributes of the object""" + return {field: getattr(self, field) for field in self._fields} + + @classmethod + def dict_to_obj(cls, _dict): + """Returns a Payload object built from the dictionary elements""" + return cls(**_dict) |