Merge branch 'issue-1822-clear-ObjectPath' into 'master'

Remove ObjectPath model

See merge request !6389

sa/models/objectpath.py

-# ---------------------------------------------------------------------
-# ObjectPath
-# ---------------------------------------------------------------------
-# Copyright (C) 2007-2017 The NOC Project
-# See LICENSE for details
-# ---------------------------------------------------------------------
-
-# Python modules
-from threading import Lock
-import operator
-
-# Third-party modules
-from mongoengine.document import Document
-from mongoengine.fields import ListField, ObjectIdField, IntField
-import cachetools
-
-id_lock = Lock()
-
-
-class ObjectPath(Document):
-    meta = {"collection": "noc.cache.objectpaths", "strict": False, "auto_create_index": False}
-    # Object id
-    object = IntField(primary_key=True)
-    adm_path = ListField(IntField())
-    segment_path = ListField(ObjectIdField())
-    container_path = ListField(ObjectIdField())
-
-    _object_cache = cachetools.TTLCache(10000, ttl=300)
-
-    @classmethod
-    def refresh(cls, obj):
-        ObjectPath._get_collection().update(
-            {"_id": obj.id},
-            {
-                "$set": {
-                    "adm_path": obj.administrative_domain.get_path(),
-                    "segment_path": obj.segment.get_path(),
-                    "container_path": obj.container.get_path() if obj.container else [],
-                }
-            },
-            upsert=True,
-        )
-
-    @classmethod
-    @cachetools.cachedmethod(operator.attrgetter("_object_cache"), lock=lambda _: id_lock)
-    def _get_path(cls, object_id):
-        return ObjectPath.objects.filter(object=object_id).first()
-
-    @classmethod
-    def get_path(cls, object):
-        if hasattr(object, "id"):
-            object = object.id
-        return cls._get_path(object)