Create concrete classes for O-RAN Nodes

- add an object class for O-CU

Issue-ID: OAM-368
Change-Id: I38822a55551823d28c15df753c235170738b6acb
Signed-off-by: Martin Skorupski <martin.skorupski@highstreet-technologies.com>

diff --git a/code/network-generator/model/python/o_ran_cu.py b/code/network-generator/model/python/o_ran_cu.py
new file mode 100644 (file)
index 0000000..dec9578
--- /dev/null
+++ b/code/network-generator/model/python/o_ran_cu.py
@@ -0,0 +1,74 @@
+# Copyright 2023 highstreet technologies GmbH
+#
+# 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.
+
+#!/usr/bin/python
+
+"""
+A Class representing an O-RAN centralized unit (ORanCu)
+"""
+from model.python.o_ran_du import ORanDu
+from model.python.tower import Tower
+from model.python.o_ran_object import IORanObject
+from model.python.o_ran_node import ORanNode
+import xml.etree.ElementTree as ET
+
+# Define the "IORanCu" interface
+class IORanCu(IORanObject):
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+
+
+# Define an abstract O-RAN Node class
+class ORanCu(ORanNode, IORanCu):
+    def __init__(self, o_ran_cu_data: IORanCu = None, **kwargs):
+        super().__init__(o_ran_cu_data, **kwargs)
+        self._o_ran_dus: list(ORanCu) = self._calculate_o_ran_dus()
+
+    def _calculate_o_ran_dus(self):
+        hex_ring_radius: int = self.spiralRadiusProfile.oRanCuSpiralRadiusOfODus
+        index: int = 0
+        s: str = "00" + str(index)
+        name: str = "O-RAN-DU-" + s[len(s) - 2 : len(s)]
+        result: list(ORanDu) = []
+        result.append(
+            ORanDu(
+                {
+                    "name": name,
+                    "geoLocation": self.geoLocation,
+                    "position": self.position,
+                    "layout": self.layout,
+                    "spiralRadiusProfile": self.spiralRadiusProfile,
+                    "parent": self
+                }
+            )
+        )
+        return result
+    
+    @property
+    def o_ran_dus(self):
+        return self._o_ran_dus
+
+    @property
+    def towers(self):
+        result: list(Tower) = []
+        for du in self.o_ran_dus:
+            for tower in du.towers:
+                result.append(tower)
+        return result
+
+    def toKml(self):
+        return None
+
+    def toSvg(self):
+        return None