SEBA-405 Convert synchronizer framework to library
Change-Id: If8562f23dc15c7d18d7a8b040b33756708b3c5ec
diff --git a/lib/xos-synchronizer/xossynchronizer/apiaccessor.py b/lib/xos-synchronizer/xossynchronizer/apiaccessor.py
new file mode 100644
index 0000000..a56381b
--- /dev/null
+++ b/lib/xos-synchronizer/xossynchronizer/apiaccessor.py
@@ -0,0 +1,92 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from modelaccessor import ModelAccessor
+import datetime
+import time
+
+
+class CoreApiModelAccessor(ModelAccessor):
+ def __init__(self, orm):
+ self.orm = orm
+ super(CoreApiModelAccessor, self).__init__()
+
+ def get_all_model_classes(self):
+ all_model_classes = {}
+ for k in self.orm.all_model_names:
+ all_model_classes[k] = getattr(self.orm, k)
+ return all_model_classes
+
+ def fetch_pending(self, main_objs, deletion=False):
+ if not isinstance(main_objs, list):
+ main_objs = [main_objs]
+
+ objs = []
+ for main_obj in main_objs:
+ if not deletion:
+ lobjs = main_obj.objects.filter_special(
+ main_obj.objects.SYNCHRONIZER_DIRTY_OBJECTS
+ )
+ else:
+ lobjs = main_obj.objects.filter_special(
+ main_obj.objects.SYNCHRONIZER_DELETED_OBJECTS
+ )
+ objs.extend(lobjs)
+
+ return objs
+
+ def fetch_policies(self, main_objs, deletion=False):
+ if not isinstance(main_objs, list):
+ main_objs = [main_objs]
+
+ objs = []
+ for main_obj in main_objs:
+ if not deletion:
+ lobjs = main_obj.objects.filter_special(
+ main_obj.objects.SYNCHRONIZER_DIRTY_POLICIES
+ )
+ else:
+ lobjs = main_obj.objects.filter_special(
+ main_obj.objects.SYNCHRONIZER_DELETED_POLICIES
+ )
+ objs.extend(lobjs)
+
+ return objs
+
+ def obj_exists(self, o):
+ # gRPC will default id to '0' for uninitialized objects
+ return (o.id is not None) and (o.id != 0)
+
+ def obj_in_list(self, o, olist):
+ ids = [x.id for x in olist]
+ return o.id in ids
+
+ def now(self):
+ """ Return the current time for timestamping purposes """
+ return (
+ datetime.datetime.utcnow() - datetime.datetime.fromtimestamp(0)
+ ).total_seconds()
+
+ def is_type(self, obj, name):
+ return obj._wrapped_class.__class__.__name__ == name
+
+ def is_instance(self, obj, name):
+ return name in obj.class_names.split(",")
+
+ def get_content_type_id(self, obj):
+ return obj.self_content_type_id
+
+ def create_obj(self, cls, **kwargs):
+ return cls.objects.new(**kwargs)