cf1db6ef8b319722d425a918a25d3983de23ab59
[cps.git] /
1 /*
2  * ============LICENSE_START=======================================================
3  *  Copyright (C) 2024-2025 OpenInfra Foundation Europe. All rights reserved.
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
8  *
9  *        http://www.apache.org/licenses/LICENSE-2.0
10  *
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.
16  *
17  *  SPDX-License-Identifier: Apache-2.0
18  *  ============LICENSE_END=========================================================
19  */
20
21 package org.onap.cps.ncmp.impl.cmnotificationsubscription.ncmp;
22
23 import java.util.ArrayList;
24 import java.util.HashSet;
25 import java.util.List;
26 import java.util.Set;
27 import lombok.RequiredArgsConstructor;
28 import org.onap.cps.ncmp.api.data.models.DatastoreType;
29 import org.onap.cps.ncmp.impl.cmnotificationsubscription.models.DmiCmSubscriptionPredicate;
30 import org.onap.cps.ncmp.impl.cmnotificationsubscription.utils.CmDataJobSubscriptionPersistenceService;
31 import org.springframework.stereotype.Component;
32
33 @Component
34 @RequiredArgsConstructor
35 public class CmSubscriptionComparator {
36
37     private final CmDataJobSubscriptionPersistenceService cmDataJobSubscriptionPersistenceService;
38
39     /**
40      * Get the new Dmi Predicates for a given predicates list.
41      *
42      * @param existingDmiCmSubscriptionPredicates list of DmiCmNotificationSubscriptionPredicates
43      * @return new list of DmiCmNotificationSubscriptionPredicates
44      */
45     public List<DmiCmSubscriptionPredicate> getNewDmiSubscriptionPredicates(
46             final List<DmiCmSubscriptionPredicate> existingDmiCmSubscriptionPredicates) {
47         final List<DmiCmSubscriptionPredicate> newDmiCmSubscriptionPredicates =
48                 new ArrayList<>();
49         for (final DmiCmSubscriptionPredicate dmiCmSubscriptionPredicate : existingDmiCmSubscriptionPredicates) {
50             final Set<String> targetCmHandleIds = new HashSet<>();
51             final Set<String> xpaths = new HashSet<>();
52             final DatastoreType datastoreType = dmiCmSubscriptionPredicate.getDatastoreType();
53             for (final String cmHandleId : dmiCmSubscriptionPredicate.getTargetCmHandleIds()) {
54                 if (!cmDataJobSubscriptionPersistenceService.hasAtLeastOneSubscription(
55                         datastoreType.getDatastoreName(), cmHandleId)) {
56                     targetCmHandleIds.add(cmHandleId);
57                 }
58             }
59             populateValidDmiSubscriptionPredicates(targetCmHandleIds, xpaths, datastoreType,
60                     newDmiCmSubscriptionPredicates);
61         }
62         return newDmiCmSubscriptionPredicates;
63     }
64
65     private void populateValidDmiSubscriptionPredicates(final Set<String> targetCmHandleIds,
66             final Set<String> xpaths, final DatastoreType datastoreType,
67             final List<DmiCmSubscriptionPredicate> dmiCmSubscriptionPredicates) {
68         if (!targetCmHandleIds.isEmpty()) {
69             final DmiCmSubscriptionPredicate dmiCmSubscriptionPredicate =
70                     new DmiCmSubscriptionPredicate(targetCmHandleIds, datastoreType, xpaths);
71             dmiCmSubscriptionPredicates.add(dmiCmSubscriptionPredicate);
72         }
73     }
74
75 }