# Copyright 2019 The Feast Authors
#
# 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 feast.value_type import ValueType
from feast.core.FeatureSet_pb2 import EntitySpec as EntityProto
from feast.types import Value_pb2 as ValueTypeProto
from feast.field import Field
[docs]class Entity(Field):
"""Entity field type"""
[docs] def to_proto(self) -> EntityProto:
"""
Converts Entity to its Protocol Buffer representation
Returns:
Returns EntitySpec object
"""
value_type = ValueTypeProto.ValueType.Enum.Value(self.dtype.name)
return EntityProto(name=self.name, value_type=value_type)
[docs] @classmethod
def from_proto(cls, entity_proto: EntityProto):
"""
Creates a Feast Entity object from its Protocol Buffer representation
Args:
entity_proto: EntitySpec protobuf object
Returns:
Entity object
"""
return cls(name=entity_proto.name, dtype=ValueType(entity_proto.value_type))