1 files changed, 55 insertions, 0 deletions
diff --git a/src/onapsdk/aai/business/instance.py b/src/onapsdk/aai/business/instance.py
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+++ b/src/onapsdk/aai/business/instance.py
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+"""Base instance module."""
+#   Copyright 2022 Orange, Deutsche Telekom AG
+#
+#   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 abc import ABC, abstractmethod
+
+from ..aai_element import AaiResource
+
+
+class Instance(AaiResource, ABC):
+    """Abstract instance class."""
+
+    def __init__(self,  # pylint: disable=too-many-arguments
+                 resource_version: str = None,
+                 model_invariant_id: str = None,
+                 model_version_id: str = None) -> None:
+        """Instance initialization.
+
+        Args:
+            resource_version (str, optional): Used for optimistic concurrency.
+                Must be empty on create, valid on update and delete. Defaults to None.
+            model_invariant_id (str, optional): The ASDC model id for this resource or
+                service model. Defaults to None.
+            model_version_id (str, optional): The ASDC model version for this resource or
+                service model. Defaults to None.
+        """
+        super().__init__()
+        self.resource_version: str = resource_version
+        self.model_invariant_id: str = model_invariant_id
+        self.model_version_id: str = model_version_id
+
+    @abstractmethod
+    def delete(self, a_la_carte: bool = True) -> "DeletionRequest":
+        """Create instance deletion request.
+
+        Send request to delete instance
+
+        Args:
+            a_la_carte (boolean): deletion mode
+
+        Returns:
+            DeletionRequest: Deletion request
+
+        """