2 * ============LICENSE_START=======================================================
3 * Modifications Copyright (C) 2025 OpenInfra Foundation Europe
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
20 package org.oran.smo.ncmp_to_teiv_adapter;
22 import com.fasterxml.jackson.core.JsonProcessingException;
23 import com.fasterxml.jackson.databind.ObjectMapper;
24 import io.cloudevents.CloudEvent;
25 import lombok.RequiredArgsConstructor;
26 import lombok.extern.slf4j.Slf4j;
27 import org.oran.smo.ncmp_to_teiv_adapter.models.ManagedElementWrapper;
28 import org.springframework.beans.factory.annotation.Value;
29 import org.springframework.scheduling.annotation.Scheduled;
30 import org.springframework.stereotype.Component;
32 import java.io.IOException;
33 import java.util.HashMap;
34 import java.util.List;
37 import static org.oran.smo.ncmp_to_teiv_adapter.ResourceReader.readResourceFile;
41 @RequiredArgsConstructor
42 public class NcmpToTeivIngestion {
44 @Value("${send-sample-ocucp-event}")
45 private boolean sendSampleOCUCPEvent;
47 private static final ObjectMapper objectMapper = new ObjectMapper();
48 private final KafkaEventProducer kafkaEventProducer;
49 private final NcmpPollingClient ncmpPollingClient;
51 private Map<String, Object> addedCmHandles = new HashMap<>();
53 @Scheduled(fixedRateString = "${polling.interval}")
54 public void pollExternalApi() throws IOException {
55 List<String> cmHandlesToAdd = ncmpPollingClient.getAllCmHandlesFromNcmp();
56 List<String> cmHandlesToDelete = addedCmHandles.keySet().stream().filter(v -> !cmHandlesToAdd.contains(v)).toList();
59 for (String cmHandle : cmHandlesToAdd) {
60 addCmHandle(cmHandle);
62 for (String cmHandle : cmHandlesToDelete) {
63 removeCmHandle(cmHandle);
65 if (sendSampleOCUCPEvent) {
66 sendSampleOCUCPEvent();
70 private void addSmo() {
71 String payload = SmoPayloadBuilder.build();
72 CloudEvent event = CloudEventFactory.createEvent(payload, "merge");
73 log.info("Sending CloudEvent with payload: {}", payload);
74 kafkaEventProducer.sendCloudEvent(event);
77 private void addCmHandle(String cmHandle) {
78 ManagedElementWrapper wrapper = ncmpPollingClient.getAllManagedElementsFromNcmp(cmHandle);
79 Map<String, Object> json = wrapper.toTeivCloudEventPayload();
81 String payload = objectMapper.writeValueAsString(json);
82 CloudEvent event = CloudEventFactory.createEvent(payload, "merge");
83 log.info("Sending CloudEvent with payload: {}", payload);
84 kafkaEventProducer.sendCloudEvent(event);
85 addedCmHandles.put(cmHandle, json);
86 } catch (JsonProcessingException e) {
87 log.error("Error processing data from cmHandle {}. Event not sent. Error message: {}", cmHandle, e
92 private void removeCmHandle(String cmHandle) {
94 Object json = addedCmHandles.get(cmHandle);
95 String payload = objectMapper.writeValueAsString(json);
96 CloudEvent event = CloudEventFactory.createEvent(payload, "delete");
97 log.info("Sending CloudEvent with payload: {}", payload);
98 kafkaEventProducer.sendCloudEvent(event);
99 addedCmHandles.remove(cmHandle);
100 } catch (JsonProcessingException e) {
101 log.error("Error processing data from cmHandle {}. Event not sent. Error message: {}", cmHandle, e
106 private void sendSampleOCUCPEvent() throws IOException {
107 String content = readResourceFile("sample-responses/_3gpp-common-managed-element-ocucp.json");
108 ManagedElementWrapper wrapper = objectMapper.readValue(content, ManagedElementWrapper.class);
109 Map<String, Object> toJson = wrapper.toTeivCloudEventPayload();
111 String payload = objectMapper.writeValueAsString(toJson);
112 CloudEvent event = CloudEventFactory.createEvent(payload, "merge");
113 log.info("Sending CloudEvent with payload: {}", payload);
114 kafkaEventProducer.sendCloudEvent(event);
115 addedCmHandles.put("pynts-o-cu-cp-1", toJson);
116 } catch (JsonProcessingException e) {
117 log.error("Error processing ocucp data. Event not sent. Error message: {}", e.getMessage());