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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2024 Nordix Foundation
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.ncmp.api.impl.events.cmsubscription;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import lombok.RequiredArgsConstructor;
import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionPredicate;
import org.onap.cps.ncmp.api.impl.events.cmsubscription.service.CmNotificationSubscriptionPersistenceService;
import org.onap.cps.ncmp.api.impl.operations.DatastoreType;
import org.springframework.stereotype.Component;
@Component
@RequiredArgsConstructor
public class CmNotificationSubscriptionDelta {
private final CmNotificationSubscriptionPersistenceService cmNotificationSubscriptionPersistenceService;
/**
* Get the delta for a given predicates list.
*
* @param dmiCmNotificationSubscriptionPredicates list of DmiCmNotificationSubscriptionPredicates
* @return delta list of DmiCmNotificationSubscriptionPredicates
*/
public List<DmiCmNotificationSubscriptionPredicate> getDelta(
final List<DmiCmNotificationSubscriptionPredicate> dmiCmNotificationSubscriptionPredicates) {
final List<DmiCmNotificationSubscriptionPredicate> delta = new ArrayList<>();
for (final DmiCmNotificationSubscriptionPredicate cmNotificationSubscriptionPredicate:
dmiCmNotificationSubscriptionPredicates) {
final Set<String> targetCmHandleIds = new HashSet<>();
final Set<String> xpaths = new HashSet<>();
final DatastoreType datastoreType = cmNotificationSubscriptionPredicate.getDatastoreType();
for (final String cmHandleId : cmNotificationSubscriptionPredicate.getTargetCmHandleIds()) {
for (final String xpath : cmNotificationSubscriptionPredicate.getXpaths()) {
if (!cmNotificationSubscriptionPersistenceService.isOngoingCmNotificationSubscription(datastoreType,
cmHandleId, xpath)) {
xpaths.add(xpath);
targetCmHandleIds.add(cmHandleId);
}
}
}
final DmiCmNotificationSubscriptionPredicate predicateDelta =
new DmiCmNotificationSubscriptionPredicate(targetCmHandleIds, datastoreType, xpaths);
delta.add(predicateDelta);
}
return delta;
}
}
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