def get_elements(protocol, data_type, data_scope, _id=None, **kwargs):
storage = Middleware.get_middleware(
protocol, data_type, data_scope,
**kwargs
)
storage.connect()
return storage.get_elements(ids=_id) or []
def remove_elements(
protocol, data_type, data_scope,
_id=None, _filter=None,
**kwargs
):
storage = Middleware.get_middleware(
protocol, data_type, data_scope,
**kwargs
)
storage.connect()
storage.remove_elements(ids=_id, _filter=_filter)
def put_element(
protocol, data_type, data_scope,
_id=None, element=None,
**kwargs
):
storage = Middleware.get_middleware(
protocol, data_type, data_scope,
**kwargs
)
storage.connect()
if not storage.put_element(element, _id=_id):
return HTTPError(500, 'Impossible to put element in storage')
def find_elements(
protocol, data_type, data_scope,
query=None, projection=None,
limit=0, skip=0, sort=None,
with_count=False,
**kwargs
):
storage = Middleware.get_middleware(
protocol, data_type, data_scope,
**kwargs
)
storage.connect()
total = storage.count_elements(query=query)
result = storage.find_elements(
query=query, projection=projection,
limit=limit, skip=skip, sort=sort,
with_count=with_count
)
return result, total
