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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2023 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.subscriptions;
import static org.onap.cps.ncmp.api.impl.constants.DmiRegistryConstants.NO_TIMESTAMP;
import java.util.Collection;
import java.util.Optional;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.api.CpsDataService;
import org.onap.cps.ncmp.api.impl.yangmodels.YangModelSubscriptionEvent;
import org.onap.cps.spi.FetchDescendantsOption;
import org.onap.cps.spi.model.DataNode;
import org.onap.cps.utils.JsonObjectMapper;
import org.springframework.stereotype.Component;
@Slf4j
@RequiredArgsConstructor
@Component
public class SubscriptionPersistenceImpl implements SubscriptionPersistence {
private static final String SUBSCRIPTION_DATASPACE_NAME = "NCMP-Admin";
private static final String SUBSCRIPTION_ANCHOR_NAME = "AVC-Subscriptions";
private static final String SUBSCRIPTION_REGISTRY_PARENT = "/subscription-registry";
private final JsonObjectMapper jsonObjectMapper;
private final CpsDataService cpsDataService;
@Override
public void saveSubscriptionEvent(final YangModelSubscriptionEvent yangModelSubscriptionEvent) {
final String subscriptionEventJsonData =
createSubscriptionEventJsonData(jsonObjectMapper.asJsonString(yangModelSubscriptionEvent));
final Collection<DataNode> dataNodes = cpsDataService.getDataNodes(SUBSCRIPTION_DATASPACE_NAME,
SUBSCRIPTION_ANCHOR_NAME, SUBSCRIPTION_REGISTRY_PARENT, FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
final Optional<DataNode> dataNodeFirst = dataNodes.stream().findFirst();
final boolean isCreateOperation =
dataNodeFirst.isPresent() && dataNodeFirst.get().getChildDataNodes().isEmpty();
saveOrUpdateSubscriptionEventYangModel(subscriptionEventJsonData, isCreateOperation);
}
private void saveOrUpdateSubscriptionEventYangModel(final String subscriptionEventJsonData,
final boolean isCreateOperation) {
if (isCreateOperation) {
log.info("SubscriptionEventJsonData to be saved into DB {}", subscriptionEventJsonData);
cpsDataService.saveListElements(SUBSCRIPTION_DATASPACE_NAME, SUBSCRIPTION_ANCHOR_NAME,
SUBSCRIPTION_REGISTRY_PARENT, subscriptionEventJsonData, NO_TIMESTAMP);
} else {
log.info("SubscriptionEventJsonData to be updated into DB {}", subscriptionEventJsonData);
cpsDataService.updateDataNodeAndDescendants(SUBSCRIPTION_DATASPACE_NAME, SUBSCRIPTION_ANCHOR_NAME,
SUBSCRIPTION_REGISTRY_PARENT, subscriptionEventJsonData, NO_TIMESTAMP);
}
}
@Override
public Collection<DataNode> getDataNodesForSubscriptionEvent() {
return cpsDataService.getDataNodes(SUBSCRIPTION_DATASPACE_NAME,
SUBSCRIPTION_ANCHOR_NAME, SUBSCRIPTION_REGISTRY_PARENT,
FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
}
private static String createSubscriptionEventJsonData(final String yangModelSubscriptionAsJson) {
return "{\"subscription\":[" + yangModelSubscriptionAsJson + "]}";
}
}
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