diff options
Diffstat (limited to 'src/main/java/org/onap/cps/ncmp/dmi/notifications/cmsubscription/CmSubscriptionDmiInEventConsumer.java')
-rw-r--r-- | src/main/java/org/onap/cps/ncmp/dmi/notifications/cmsubscription/CmSubscriptionDmiInEventConsumer.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/notifications/cmsubscription/CmSubscriptionDmiInEventConsumer.java b/src/main/java/org/onap/cps/ncmp/dmi/notifications/cmsubscription/CmSubscriptionDmiInEventConsumer.java new file mode 100644 index 00000000..57652809 --- /dev/null +++ b/src/main/java/org/onap/cps/ncmp/dmi/notifications/cmsubscription/CmSubscriptionDmiInEventConsumer.java @@ -0,0 +1,124 @@ +/* + * ============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.dmi.notifications.cmsubscription; + +import io.cloudevents.CloudEvent; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import java.util.Set; +import lombok.RequiredArgsConstructor; +import org.apache.kafka.clients.consumer.ConsumerRecord; +import org.onap.cps.ncmp.dmi.notifications.mapper.CloudEventMapper; +import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.CmSubscriptionDmiOutEvent; +import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.Data; +import org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.SubscriptionStatus; +import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_dmi.CmHandle; +import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_dmi.CmSubscriptionDmiInEvent; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.kafka.annotation.KafkaListener; +import org.springframework.kafka.core.KafkaTemplate; +import org.springframework.stereotype.Service; + +@Service +@RequiredArgsConstructor +public class CmSubscriptionDmiInEventConsumer { + + @Value("${app.dmi.avc.subscription-response-topic}") + private String cmAvcSubscriptionResponseTopic; + @Value("${dmi.service.name}") + private String dmiName; + private final KafkaTemplate<String, CloudEvent> cloudEventKafkaTemplate; + + /** + * Consume the specified event. + * + * @param cmSubscriptionDmiInCloudEvent the event to be consumed + */ + @KafkaListener(topics = "${app.dmi.avc.subscription-topic}", + containerFactory = "cloudEventConcurrentKafkaListenerContainerFactory") + public void consumeCmSubscriptionDmiInEvent( + final ConsumerRecord<String, CloudEvent> cmSubscriptionDmiInCloudEvent) { + final CmSubscriptionDmiInEvent cmSubscriptionDmiInEvent = + CloudEventMapper.toTargetEvent(cmSubscriptionDmiInCloudEvent.value(), CmSubscriptionDmiInEvent.class); + if (cmSubscriptionDmiInEvent != null) { + final String eventKey = cmSubscriptionDmiInCloudEvent.value().getId(); + final String subscriptionType = cmSubscriptionDmiInCloudEvent.value().getType(); + if ("subscriptionCreated".equals(subscriptionType)) { + sendCmSubscriptionDmiOutEvent(eventKey, "subscriptionCreatedStatus", + formCmSubscriptionDmiOutEvent(cmSubscriptionDmiInEvent)); + } else if ("subscriptionDeleted".equals(subscriptionType)) { + sendCmSubscriptionDmiOutEvent(eventKey, "subscriptionDeletedStatus", + formCmSubscriptionDmiOutEvent(cmSubscriptionDmiInEvent)); + } + } + } + + /** + * Sends message to the configured topic. + * + * @param eventKey is the kafka message key + * @param subscriptionType is the type of subscription action + * @param cmSubscriptionDmiOutEvent is the payload of the kafka message + */ + public void sendCmSubscriptionDmiOutEvent(final String eventKey, final String subscriptionType, + final CmSubscriptionDmiOutEvent cmSubscriptionDmiOutEvent) { + cloudEventKafkaTemplate.send(cmAvcSubscriptionResponseTopic, eventKey, + CmSubscriptionDmiOutEventToCloudEventMapper.toCloudEvent(cmSubscriptionDmiOutEvent, subscriptionType, + dmiName)); + } + + private CmSubscriptionDmiOutEvent formCmSubscriptionDmiOutEvent( + final CmSubscriptionDmiInEvent cmSubscriptionDmiInEvent) { + final CmSubscriptionDmiOutEvent cmSubscriptionDmiOutEvent = new CmSubscriptionDmiOutEvent(); + final Data cmSubscriptionDmiOutEventData = new Data(); + cmSubscriptionDmiOutEventData.setClientId(cmSubscriptionDmiInEvent.getData().getSubscription().getClientID()); + cmSubscriptionDmiOutEventData.setSubscriptionName( + cmSubscriptionDmiInEvent.getData().getSubscription().getName()); + cmSubscriptionDmiOutEventData.setDmiName(dmiName); + + final List<CmHandle> cmHandles = cmSubscriptionDmiInEvent.getData().getPredicates().getTargets(); + cmSubscriptionDmiOutEventData.setSubscriptionStatus(populateSubscriptionStatus(extractCmHandleIds(cmHandles))); + cmSubscriptionDmiOutEvent.setData(cmSubscriptionDmiOutEventData); + return cmSubscriptionDmiOutEvent; + } + + private Set<String> extractCmHandleIds(final List<CmHandle> cmHandles) { + final Set<String> cmHandleIds = new HashSet<>(); + + for (final CmHandle cmHandle : cmHandles) { + cmHandleIds.add(cmHandle.getId()); + } + return cmHandleIds; + } + + private List<SubscriptionStatus> populateSubscriptionStatus(final Set<String> cmHandleIds) { + final List<SubscriptionStatus> subscriptionStatuses = new ArrayList<>(); + for (final String cmHandleId : cmHandleIds) { + final SubscriptionStatus status = new SubscriptionStatus(); + status.setId(cmHandleId); + status.setStatus(SubscriptionStatus.Status.ACCEPTED); + subscriptionStatuses.add(status); + } + return subscriptionStatuses; + } + +} |