2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2024 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.cmsubscription;
23 import static org.onap.cps.ncmp.api.impl.events.cmsubscription.model.CmNotificationSubscriptionStatus.PENDING;
25 import java.util.ArrayList;
26 import java.util.Collection;
27 import java.util.HashMap;
28 import java.util.HashSet;
29 import java.util.List;
32 import java.util.stream.Collectors;
33 import lombok.RequiredArgsConstructor;
34 import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.CmNotificationSubscriptionStatus;
35 import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionDetails;
36 import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionPredicate;
37 import org.onap.cps.ncmp.api.impl.events.cmsubscription.service.CmNotificationSubscriptionPersistenceService;
38 import org.onap.cps.ncmp.api.impl.inventory.InventoryPersistence;
39 import org.onap.cps.ncmp.api.impl.operations.DatastoreType;
40 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
41 import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.Predicate;
42 import org.springframework.stereotype.Component;
45 @RequiredArgsConstructor
46 public class DmiCmNotificationSubscriptionCacheHandler {
48 private final CmNotificationSubscriptionPersistenceService cmNotificationSubscriptionPersistenceService;
49 private final Map<String, Map<String, DmiCmNotificationSubscriptionDetails>> cmNotificationSubscriptionCache;
50 private final InventoryPersistence inventoryPersistence;
53 * Adds new subscription to the subscription cache.
55 * @param subscriptionId subscription id
56 * @param predicates subscription request predicates
58 public void add(final String subscriptionId, final List<Predicate> predicates) {
59 cmNotificationSubscriptionCache.put(subscriptionId, createDmiCmNotificationSubscriptionsPerDmi(predicates));
63 * Get cm notification subscription cache entry via subscription id.
65 * @param subscriptionId subscription id
66 * @return map of dmi cm notification subscriptions per dmi
68 public Map<String, DmiCmNotificationSubscriptionDetails> get(final String subscriptionId) {
69 return cmNotificationSubscriptionCache.get(subscriptionId);
74 * Remove cache entries with CmNotificationSubscriptionStatus ACCEPTED/REJECTED via subscription id.
76 * @param subscriptionId subscription id as key in CM notification Subscription cache.
78 public void removeAcceptedAndRejectedDmiCmNotificationSubscriptionEntries(final String subscriptionId) {
79 final Map<String, DmiCmNotificationSubscriptionDetails> dmiCmNotificationSubscriptionsPerDmi =
80 cmNotificationSubscriptionCache.get(subscriptionId);
81 final Map<String, DmiCmNotificationSubscriptionDetails> updatedDmiCmNotificationSubscriptionsPerDmi =
82 dmiCmNotificationSubscriptionsPerDmi.entrySet().stream().filter(
83 dmiCmNotificationSubscription ->
84 !isAcceptedOrRejected(dmiCmNotificationSubscription.getValue()))
85 .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
86 cmNotificationSubscriptionCache.put(subscriptionId, updatedDmiCmNotificationSubscriptionsPerDmi);
90 * Creates map of subscription details per DMI.
92 * @param predicates CM Subscription Create Request Predicates
93 * @return Map of DmiCmNotificationSubscription per DMI plugin
95 public Map<String, DmiCmNotificationSubscriptionDetails> createDmiCmNotificationSubscriptionsPerDmi(
96 final List<Predicate> predicates) {
97 final Map<String, DmiCmNotificationSubscriptionDetails> dmiCmNotificationSubscriptionDetailsPerDmi =
99 for (final Predicate requestPredicate : predicates) {
100 final List<String> targetFilter = requestPredicate.getTargetFilter();
101 final DatastoreType datastoreType = DatastoreType.fromDatastoreName(
102 requestPredicate.getScopeFilter().getDatastore().toString());
103 final Set<String> xpaths = new HashSet<>(requestPredicate.getScopeFilter().getXpathFilter());
104 final Map<String, Set<String>> targetCmHandlesByDmiMap = groupTargetCmHandleIdsByDmi(targetFilter);
105 for (final Map.Entry<String, Set<String>> targetCmHandlesByDmi: targetCmHandlesByDmiMap.entrySet()) {
106 final DmiCmNotificationSubscriptionPredicate dmiCmNotificationSubscriptionPredicate =
107 new DmiCmNotificationSubscriptionPredicate(targetCmHandlesByDmi.getValue(),
108 datastoreType, xpaths);
109 updateDmiCmNotificationSubscriptionDetailsPerDmi(targetCmHandlesByDmi.getKey(),
110 dmiCmNotificationSubscriptionPredicate,
111 dmiCmNotificationSubscriptionDetailsPerDmi);
114 return dmiCmNotificationSubscriptionDetailsPerDmi;
118 * Update status in map of subscription details per DMI.
120 * @param subscriptionId String of subscription Id
121 * @param dmiServiceName String of dmiServiceName
122 * @param status String of status
125 public void updateDmiCmNotificationSubscriptionStatusPerDmi(
126 final String subscriptionId, final String dmiServiceName, final CmNotificationSubscriptionStatus status) {
127 cmNotificationSubscriptionCache.get(subscriptionId).get(dmiServiceName)
128 .setCmNotificationSubscriptionStatus(status);
132 * Persist map of subscription details per DMI.
134 * @param subscriptionId String of subscription Id
135 * @param dmiServiceName String of dmiServiceName
138 public void persistIntoDatabasePerDmi(final String subscriptionId, final String dmiServiceName) {
139 final List<DmiCmNotificationSubscriptionPredicate> dmiCmNotificationSubscriptionPredicateList =
140 cmNotificationSubscriptionCache.get(subscriptionId).get(dmiServiceName)
141 .getDmiCmNotificationSubscriptionPredicates();
142 for (final DmiCmNotificationSubscriptionPredicate dmiCmNotificationSubscriptionPredicate:
143 dmiCmNotificationSubscriptionPredicateList) {
144 final DatastoreType datastoreType = dmiCmNotificationSubscriptionPredicate.getDatastoreType();
145 final Set<String> cmHandles = dmiCmNotificationSubscriptionPredicate.getTargetCmHandleIds();
146 final Set<String> xpaths = dmiCmNotificationSubscriptionPredicate.getXpaths();
148 for (final String cmHandle: cmHandles) {
149 for (final String xpath: xpaths) {
150 cmNotificationSubscriptionPersistenceService.addCmNotificationSubscription(datastoreType, cmHandle,
151 xpath, subscriptionId);
157 private void updateDmiCmNotificationSubscriptionDetailsPerDmi(
158 final String dmiServiceName,
159 final DmiCmNotificationSubscriptionPredicate dmiCmNotificationSubscriptionPredicate,
160 final Map<String, DmiCmNotificationSubscriptionDetails> dmiCmNotificationSubscriptionDetailsPerDmi) {
161 if (dmiCmNotificationSubscriptionDetailsPerDmi.containsKey(dmiServiceName)) {
162 dmiCmNotificationSubscriptionDetailsPerDmi.get(dmiServiceName)
163 .getDmiCmNotificationSubscriptionPredicates().add(dmiCmNotificationSubscriptionPredicate);
165 dmiCmNotificationSubscriptionDetailsPerDmi.put(dmiServiceName,
166 new DmiCmNotificationSubscriptionDetails(
167 new ArrayList<>(List.of(dmiCmNotificationSubscriptionPredicate)),
172 private Map<String, Set<String>> groupTargetCmHandleIdsByDmi(final List<String> targetCmHandleIds) {
173 final Map<String, Set<String>> targetCmHandlesByDmiServiceNames = new HashMap<>();
174 final Collection<YangModelCmHandle> yangModelCmHandles =
175 inventoryPersistence.getYangModelCmHandles(targetCmHandleIds);
177 for (final YangModelCmHandle yangModelCmHandle : yangModelCmHandles) {
178 final String dmiServiceName = yangModelCmHandle.getDmiServiceName();
179 targetCmHandlesByDmiServiceNames.putIfAbsent(dmiServiceName, new HashSet<>());
180 targetCmHandlesByDmiServiceNames.get(dmiServiceName).add(yangModelCmHandle.getId());
182 return targetCmHandlesByDmiServiceNames;
185 private boolean isAcceptedOrRejected(
186 final DmiCmNotificationSubscriptionDetails dmiCmNotificationSubscription) {
187 return dmiCmNotificationSubscription.getCmNotificationSubscriptionStatus().toString().equals("ACCEPTED")
188 || dmiCmNotificationSubscription.getCmNotificationSubscriptionStatus().toString().equals("REJECTED");