2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2023 Nordix Foundation
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=========================================================
21 package org.onap.cps.ncmp.api.impl.events.avcsubscription;
23 import java.io.Serializable;
24 import java.util.Collection;
25 import java.util.List;
27 import lombok.RequiredArgsConstructor;
28 import lombok.extern.slf4j.Slf4j;
29 import org.apache.kafka.common.header.Headers;
30 import org.apache.kafka.common.header.internals.RecordHeaders;
31 import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
32 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
33 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionStatus;
34 import org.onap.cps.ncmp.api.impl.utils.DataNodeHelper;
35 import org.onap.cps.ncmp.api.models.SubscriptionEventResponse;
36 import org.onap.cps.ncmp.events.avc.subscription.v1.SubscriptionEventOutcome;
37 import org.onap.cps.spi.model.DataNode;
38 import org.springframework.beans.factory.annotation.Value;
39 import org.springframework.stereotype.Component;
43 @RequiredArgsConstructor
44 public class SubscriptionEventResponseOutcome {
46 private final SubscriptionPersistence subscriptionPersistence;
48 private final EventsPublisher<SubscriptionEventOutcome> outcomeEventsPublisher;
50 private final SubscriptionOutcomeMapper subscriptionOutcomeMapper;
52 @Value("${app.ncmp.avc.subscription-outcome-topic:cm-avc-subscription-response}")
53 private String subscriptionOutcomeEventTopic;
56 * This is for construction of outcome message to be published for client apps.
58 * @param subscriptionClientId client id of the subscription.
59 * @param subscriptionName name of the subscription.
61 public void sendResponse(final String subscriptionClientId, final String subscriptionName) {
62 final SubscriptionEventOutcome subscriptionEventOutcome = generateResponse(
63 subscriptionClientId, subscriptionName);
64 final Headers headers = new RecordHeaders();
65 final String subscriptionEventId = subscriptionClientId + subscriptionName;
66 outcomeEventsPublisher.publishEvent(subscriptionOutcomeEventTopic,
67 subscriptionEventId, headers, subscriptionEventOutcome);
70 private SubscriptionEventOutcome generateResponse(final String subscriptionClientId,
71 final String subscriptionName) {
72 final Collection<DataNode> dataNodes =
73 subscriptionPersistence.getCmHandlesForSubscriptionEvent(subscriptionClientId, subscriptionName);
74 final List<Map<String, Serializable>> dataNodeLeaves = DataNodeHelper.getDataNodeLeaves(dataNodes);
75 final List<Collection<Serializable>> cmHandleIdToStatus =
76 DataNodeHelper.getCmHandleIdToStatus(dataNodeLeaves);
77 final Map<String, SubscriptionStatus> cmHandleIdToStatusMap =
78 DataNodeHelper.getCmHandleIdToStatusMap(cmHandleIdToStatus);
79 return formSubscriptionOutcomeMessage(cmHandleIdToStatus, subscriptionClientId, subscriptionName,
80 isFullOutcomeResponse(cmHandleIdToStatusMap));
83 private boolean isFullOutcomeResponse(final Map<String, SubscriptionStatus> cmHandleIdToStatusMap) {
84 return !cmHandleIdToStatusMap.values().contains(SubscriptionStatus.PENDING);
87 private SubscriptionEventOutcome formSubscriptionOutcomeMessage(
88 final List<Collection<Serializable>> cmHandleIdToStatus, final String subscriptionClientId,
89 final String subscriptionName, final boolean isFullOutcomeResponse) {
91 final SubscriptionEventResponse subscriptionEventResponse = toSubscriptionEventResponse(
92 cmHandleIdToStatus, subscriptionClientId, subscriptionName);
94 final SubscriptionEventOutcome subscriptionEventOutcome =
95 subscriptionOutcomeMapper.toSubscriptionEventOutcome(subscriptionEventResponse);
97 if (isFullOutcomeResponse) {
98 subscriptionEventOutcome.setEventType(SubscriptionEventOutcome.EventType.COMPLETE_OUTCOME);
100 subscriptionEventOutcome.setEventType(SubscriptionEventOutcome.EventType.PARTIAL_OUTCOME);
103 return subscriptionEventOutcome;
106 private SubscriptionEventResponse toSubscriptionEventResponse(
107 final List<Collection<Serializable>> cmHandleIdToStatus, final String subscriptionClientId,
108 final String subscriptionName) {
109 final Map<String, SubscriptionStatus> cmHandleIdToStatusMap =
110 DataNodeHelper.getCmHandleIdToStatusMap(cmHandleIdToStatus);
112 final SubscriptionEventResponse subscriptionEventResponse = new SubscriptionEventResponse();
113 subscriptionEventResponse.setClientId(subscriptionClientId);
114 subscriptionEventResponse.setSubscriptionName(subscriptionName);
115 subscriptionEventResponse.setCmHandleIdToStatus(cmHandleIdToStatusMap);
117 return subscriptionEventResponse;