# Copyright 2023 Canonical Ltd.
# Licensed under the Apache V2, see LICENCE file for details.
from .client import client
[docs]def get_entity_delta(d):
return _delta_types[d.entity](d.deltas)
[docs]def get_entity_class(entity_type):
return _delta_types[entity_type].get_entity_class()
[docs]class EntityDelta(client.Delta):
[docs] def get_id(self):
return self.data['id']
[docs] @classmethod
def get_entity_class(self):
return None
[docs]class ActionDelta(EntityDelta):
[docs] @classmethod
def get_entity_class(self):
from .action import Action
return Action
[docs]class ApplicationDelta(EntityDelta):
[docs] def get_id(self):
return self.data['name']
[docs] @classmethod
def get_entity_class(self):
from .application import Application
return Application
[docs]class AnnotationDelta(EntityDelta):
[docs] def get_id(self):
return self.data['tag']
[docs] @classmethod
def get_entity_class(self):
from .annotation import Annotation
return Annotation
[docs]class ModelDelta(EntityDelta):
[docs] def get_id(self):
return self.data['model-uuid']
[docs] @classmethod
def get_entity_class(self):
from .model import ModelInfo
return ModelInfo
[docs]class MachineDelta(EntityDelta):
[docs] @classmethod
def get_entity_class(self):
from .machine import Machine
return Machine
[docs]class UnitDelta(EntityDelta):
[docs] def get_id(self):
return self.data['name']
[docs] @classmethod
def get_entity_class(self):
from .unit import Unit
return Unit
[docs]class RelationDelta(EntityDelta):
[docs] @classmethod
def get_entity_class(self):
from .relation import Relation
return Relation
[docs]class RemoteApplicationDelta(EntityDelta):
[docs] def get_id(self):
return self.data['name']
[docs] @classmethod
def get_entity_class(self):
from .remoteapplication import RemoteApplication
return RemoteApplication
[docs]class CharmDelta(EntityDelta):
[docs] def get_id(self):
return self.data['charm-url']
[docs] @classmethod
def get_entity_class(self):
from .charm import Charm
return Charm
[docs]class ApplicationOfferDelta(EntityDelta):
[docs] def get_id(self):
return self.data['application-name']
[docs] @classmethod
def get_entity_class(self):
from .remoteapplication import ApplicationOffer
return ApplicationOffer
_delta_types = {
'action': ActionDelta,
'annotation': AnnotationDelta,
'application': ApplicationDelta,
'applicationOffer': ApplicationOfferDelta,
'charm': CharmDelta,
'machine': MachineDelta,
'model': ModelDelta,
'relation': RelationDelta,
'remoteApplication': RemoteApplicationDelta,
'unit': UnitDelta,
}