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.util.Collection;
24 import java.util.Collections;
25 import java.util.HashMap;
26 import java.util.List;
28 import java.util.Objects;
29 import java.util.stream.Collectors;
30 import lombok.RequiredArgsConstructor;
31 import lombok.extern.slf4j.Slf4j;
32 import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
33 import org.onap.cps.ncmp.api.impl.operations.RequiredDmiService;
34 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
35 import org.onap.cps.ncmp.api.inventory.InventoryPersistence;
36 import org.onap.cps.ncmp.event.model.SubscriptionEvent;
37 import org.onap.cps.spi.exceptions.OperationNotYetSupportedException;
38 import org.springframework.stereotype.Component;
43 @RequiredArgsConstructor
44 public class SubscriptionEventForwarder {
46 private final InventoryPersistence inventoryPersistence;
47 private final EventsPublisher<SubscriptionEvent> eventsPublisher;
49 private static final String DMI_AVC_SUBSCRIPTION_TOPIC_PREFIX = "ncmp-dmi-cm-avc-subscription-";
52 * Forward subscription event.
54 * @param subscriptionEvent the event to be forwarded
56 public void forwardCreateSubscriptionEvent(final SubscriptionEvent subscriptionEvent) {
57 final List<Object> cmHandleTargets = subscriptionEvent.getEvent().getPredicates().getTargets();
58 if (cmHandleTargets == null || cmHandleTargets.isEmpty()
59 || cmHandleTargets.stream().anyMatch(id -> ((String) id).contains("*"))) {
60 throw new OperationNotYetSupportedException(
61 "CMHandle targets are required. \"Wildcard\" operations are not yet supported");
63 final List<String> cmHandleTargetsAsStrings = cmHandleTargets.stream().map(
64 Objects::toString).collect(Collectors.toList());
65 final Collection<YangModelCmHandle> yangModelCmHandles =
66 inventoryPersistence.getYangModelCmHandles(cmHandleTargetsAsStrings);
67 final Map<String, Map<String, Map<String, String>>> dmiNameCmHandleMap =
68 organizeByDmiName(yangModelCmHandles);
69 dmiNameCmHandleMap.forEach((dmiName, cmHandlePropertiesMap) -> {
70 subscriptionEvent.getEvent().getPredicates().setTargets(Collections.singletonList(cmHandlePropertiesMap));
71 final String eventKey = createEventKey(subscriptionEvent, dmiName);
72 eventsPublisher.publishEvent(DMI_AVC_SUBSCRIPTION_TOPIC_PREFIX + dmiName, eventKey, subscriptionEvent);
76 private Map<String, Map<String, Map<String, String>>> organizeByDmiName(
77 final Collection<YangModelCmHandle> yangModelCmHandles) {
78 final Map<String, Map<String, Map<String, String>>> dmiNameCmHandlePropertiesMap = new HashMap<>();
79 yangModelCmHandles.forEach(cmHandle -> {
80 final String dmiName = cmHandle.resolveDmiServiceName(RequiredDmiService.DATA);
81 if (!dmiNameCmHandlePropertiesMap.containsKey(dmiName)) {
82 final Map<String, Map<String, String>> cmHandleDmiPropertiesMap = new HashMap<>();
83 cmHandleDmiPropertiesMap.put(cmHandle.getId(), dmiPropertiesAsMap(cmHandle));
84 dmiNameCmHandlePropertiesMap.put(cmHandle.getDmiDataServiceName(), cmHandleDmiPropertiesMap);
86 dmiNameCmHandlePropertiesMap.get(cmHandle.getDmiDataServiceName())
87 .put(cmHandle.getId(), dmiPropertiesAsMap(cmHandle));
90 return dmiNameCmHandlePropertiesMap;
93 private String createEventKey(final SubscriptionEvent subscriptionEvent, final String dmiName) {
94 return subscriptionEvent.getEvent().getSubscription().getClientID()
96 + subscriptionEvent.getEvent().getSubscription().getName()
101 public Map<String, String> dmiPropertiesAsMap(final YangModelCmHandle yangModelCmHandle) {
102 return yangModelCmHandle.getDmiProperties().stream().collect(
103 Collectors.toMap(YangModelCmHandle.Property::getName, YangModelCmHandle.Property::getValue));