def append(self, hcont, value, score=None):
if self.field.owned:
assert value.oid is None
self.element_writer.create(value)
assert value.oid is not None
value = value.handle()
ContainerWriter.append(self, hcont, value, score)
def __init__(self, field, element_writer=None):
assert (not field.owned and element_writer is None) or (field.owned and element_writer is not None)
self.field = field
self.element_writer = element_writer
index_key = None
if field.indexed:
index_key = "u:" if field.unique else "i:"
index_key += field.model.__name__ + ":" + field.name
ContainerWriter.__init__(self, field.target_type, index_key, field.unique)
def remove(self, hcont, value):
assert (not self.field.owned) or isinstance(value, Model)
removed = ContainerWriter.remove(self, hcont, value)
if self.field.owned:
if not removed:
raise NotFoundError("{0} in {1}".format(value.handle(), hcont))
assert value.oid is not None
self.element_writer.delete(value)
assert value.oid is None
