# 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
[docs]class Field:
"""
High level field type. This is the parent type to both entities and
features.
"""
def __init__(self, name: str, dtype: ValueType):
self._name = name
if not isinstance(dtype, ValueType):
raise ValueError("dtype is not a valid ValueType")
self._dtype = dtype
def __eq__(self, other):
if self.name != other.name or self.dtype != other.dtype:
return False
return True
@property
def name(self):
"""
Getter for name of this field
"""
return self._name
@property
def dtype(self) -> ValueType:
"""
Getter for data type of this field
"""
return self._dtype
[docs] def to_proto(self):
"""
Unimplemented to_proto method for a field. This should be extended.
"""
pass
[docs] def from_proto(self, proto):
"""
Unimplemented from_proto method for a field. This should be extended.
"""
pass