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 lombok.RequiredArgsConstructor;
33 import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.CmNotificationSubscriptionStatus;
34 import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionDetails;
35 import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionPredicate;
36 import org.onap.cps.ncmp.api.impl.events.cmsubscription.service.CmNotificationSubscriptionPersistenceService;
37 import org.onap.cps.ncmp.api.impl.inventory.InventoryPersistence;
38 import org.onap.cps.ncmp.api.impl.operations.DatastoreType;
39 import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
40 import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.Predicate;
41 import org.springframework.stereotype.Component;
44 @RequiredArgsConstructor
45 public class DmiCmNotificationSubscriptionCacheHandler {
47 private final CmNotificationSubscriptionPersistenceService cmNotificationSubscriptionPersistenceService;
48 private final Map<String, Map<String, DmiCmNotificationSubscriptionDetails>> cmNotificationSubscriptionCache;
49 private final InventoryPersistence inventoryPersistence;
52 * Adds new subscription to the subscription cache.
54 * @param subscriptionId subscription Id
55 * @param predicates subscription request predicates
57 public void add(final String subscriptionId, final List<Predicate> predicates) {
58 cmNotificationSubscriptionCache.put(subscriptionId, createDmiCmNotificationSubscriptionsPerDmi(predicates));
62 * Creates map of subscription details per DMI.
64 * @param predicates CM Subscription Create Request Predicates
65 * @return Map of DmiCmNotificationSubscription per DMI plugin
67 public Map<String, DmiCmNotificationSubscriptionDetails> createDmiCmNotificationSubscriptionsPerDmi(
68 final List<Predicate> predicates) {
69 final Map<String, DmiCmNotificationSubscriptionDetails> dmiCmNotificationSubscriptionDetailsPerDmi =
71 for (final Predicate requestPredicate : predicates) {
72 final List<String> targetFilter = requestPredicate.getTargetFilter();
73 final DatastoreType datastoreType = DatastoreType.fromDatastoreName(
74 requestPredicate.getScopeFilter().getDatastore().toString());
75 final Set<String> xpaths = new HashSet<>(requestPredicate.getScopeFilter().getXpathFilter());
76 final Map<String, Set<String>> targetCmHandlesByDmiMap = groupTargetCmHandleIdsByDmi(targetFilter);
77 for (final Map.Entry<String, Set<String>> targetCmHandlesByDmi: targetCmHandlesByDmiMap.entrySet()) {
78 final DmiCmNotificationSubscriptionPredicate dmiCmNotificationSubscriptionPredicate =
79 new DmiCmNotificationSubscriptionPredicate(targetCmHandlesByDmi.getValue(),
80 datastoreType, xpaths);
81 updateDmiCmNotificationSubscriptionDetailsPerDmi(targetCmHandlesByDmi.getKey(),
82 dmiCmNotificationSubscriptionPredicate,
83 dmiCmNotificationSubscriptionDetailsPerDmi);
86 return dmiCmNotificationSubscriptionDetailsPerDmi;
90 * Update status in map of subscription details per DMI.
92 * @param subscriptionId String of subscription Id
93 * @param dmiServiceName String of dmiServiceName
94 * @param status String of status
97 public void updateDmiCmNotificationSubscriptionStatusPerDmi(
98 final String subscriptionId, final String dmiServiceName, final CmNotificationSubscriptionStatus status) {
99 cmNotificationSubscriptionCache.get(subscriptionId).get(dmiServiceName)
100 .setCmNotificationSubscriptionStatus(status);
104 * Persist map of subscription details per DMI.
106 * @param subscriptionId String of subscription Id
107 * @param dmiServiceName String of dmiServiceName
110 public void persistIntoDatabasePerDmi(final String subscriptionId, final String dmiServiceName) {
111 final List<DmiCmNotificationSubscriptionPredicate> dmiCmNotificationSubscriptionPredicateList =
112 cmNotificationSubscriptionCache.get(subscriptionId).get(dmiServiceName)
113 .getDmiCmNotificationSubscriptionPredicates();
114 for (final DmiCmNotificationSubscriptionPredicate dmiCmNotificationSubscriptionPredicate:
115 dmiCmNotificationSubscriptionPredicateList) {
116 final DatastoreType datastoreType = dmiCmNotificationSubscriptionPredicate.getDatastoreType();
117 final Set<String> cmHandles = dmiCmNotificationSubscriptionPredicate.getTargetCmHandleIds();
118 final Set<String> xpaths = dmiCmNotificationSubscriptionPredicate.getXpaths();
120 for (final String cmHandle: cmHandles) {
121 for (final String xpath: xpaths) {
122 cmNotificationSubscriptionPersistenceService.addOrUpdateCmNotificationSubscription(datastoreType,
123 cmHandle, xpath, subscriptionId);
129 private void updateDmiCmNotificationSubscriptionDetailsPerDmi(
130 final String dmiServiceName,
131 final DmiCmNotificationSubscriptionPredicate dmiCmNotificationSubscriptionPredicate,
132 final Map<String, DmiCmNotificationSubscriptionDetails> dmiCmNotificationSubscriptionDetailsPerDmi) {
133 if (dmiCmNotificationSubscriptionDetailsPerDmi.containsKey(dmiServiceName)) {
134 dmiCmNotificationSubscriptionDetailsPerDmi.get(dmiServiceName)
135 .getDmiCmNotificationSubscriptionPredicates().add(dmiCmNotificationSubscriptionPredicate);
137 dmiCmNotificationSubscriptionDetailsPerDmi.put(dmiServiceName,
138 new DmiCmNotificationSubscriptionDetails(
139 new ArrayList<>(List.of(dmiCmNotificationSubscriptionPredicate)),
144 private Map<String, Set<String>> groupTargetCmHandleIdsByDmi(final List<String> targetCmHandleIds) {
145 final Map<String, Set<String>> targetCmHandlesByDmiServiceNames = new HashMap<>();
146 final Collection<YangModelCmHandle> yangModelCmHandles =
147 inventoryPersistence.getYangModelCmHandles(targetCmHandleIds);
149 for (final YangModelCmHandle yangModelCmHandle : yangModelCmHandles) {
150 final String dmiServiceName = yangModelCmHandle.getDmiServiceName();
151 targetCmHandlesByDmiServiceNames.putIfAbsent(dmiServiceName, new HashSet<>());
152 targetCmHandlesByDmiServiceNames.get(dmiServiceName).add(yangModelCmHandle.getId());
154 return targetCmHandlesByDmiServiceNames;