def __init__(self,
name='',
entity='',
granularity=Granularity.NONE,
owner='',
value_type=ValueType.DOUBLE,
description='',
uri='',
warehouse_store=None,
serving_store=None,
group='',
tags=[],
options={}):
"""Create feast feature instance.
Args:
name (str): name of feature, in lower snake case
entity (str): entity the feature belongs to, in lower case
granularity (feast.sdk.resources.feature.Granularity):
granularity of the feature
owner (str): owner of the feature
value_type (feast.sdk.resources.feature.ValueType): defaults to
ValueType.DOUBLE. value type of the feature
description (str): defaults to "". description of the feature
uri (str): defaults to "". uri pointing to the source code or
origin of this feature
warehouse_store (feast.sdk.resources.feature.Datastore):
warehouse store id and options
serving_store (feast.sdk.resources.feature.Datastore): serving
store id and options
group (str, optional): feature group to inherit from
tags (list[str], optional): tags assigned to the feature
options (dic, optional): additional options for the feature
"""
id = '.'.join(
[entity,
Granularity_pb2.Enum.Name(granularity.value), name]).lower()
warehouse_store_spec = None
serving_store_spec = None
if (serving_store is not None):
serving_store_spec = serving_store.spec
if (warehouse_store is not None):
warehouse_store_spec = warehouse_store.spec
data_stores = DataStores(serving=serving_store_spec,
warehouse=warehouse_store_spec)
self.__spec = FeatureSpec(id=id,
granularity=granularity.value,
name=name,
entity=entity,
owner=owner,
dataStores=data_stores,
description=description,
uri=uri,
valueType=value_type.value,
group=group,
tags=tags,
options=options)
def __init__(self, id, tags=[], warehouse_store=None, serving_store=None):
"""Create FeatureGroup instance.
Args:
id (str): id of feature group
tags (list): Defaults to []. tags assigned to feature group
as well as all children features.
warehouse_store (feast.sdk.resources.feature.Datastore):
warehouse store id and options
serving_store (feast.sdk.resources.feature.Datastore):
serving store id and options
"""
warehouse_store_spec = None
serving_store_spec = None
if (serving_store is not None):
serving_store_spec = serving_store.spec
if (warehouse_store is not None):
warehouse_store_spec = warehouse_store.spec
data_stores = DataStores(serving=serving_store_spec,
warehouse=warehouse_store_spec)
self.__spec = FeatureGroupSpec(id=id,
tags=tags,
dataStores=data_stores)
def _create_feature_spec(self, feature_id, wh_id):
wh_store = DataStore(id=wh_id)
datastores = DataStores(warehouse=wh_store)
return FeatureSpec(id=feature_id, dataStores=datastores)