diff options
Diffstat (limited to 'cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/producer/CmNotificationSubscriptionNcmpOutEventProducer.java')
| -rw-r--r-- | cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/producer/CmNotificationSubscriptionNcmpOutEventProducer.java | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/producer/CmNotificationSubscriptionNcmpOutEventProducer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/producer/CmNotificationSubscriptionNcmpOutEventProducer.java new file mode 100644 index 000000000..ed7ed2a0b --- /dev/null +++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/producer/CmNotificationSubscriptionNcmpOutEventProducer.java @@ -0,0 +1,146 @@ +/* + * ============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.producer; + +import io.cloudevents.CloudEvent; +import io.cloudevents.core.builder.CloudEventBuilder; +import java.net.URI; +import java.util.Map; +import java.util.UUID; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.Executors; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.ScheduledFuture; +import java.util.concurrent.TimeUnit; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.onap.cps.events.EventsPublisher; +import org.onap.cps.ncmp.api.impl.events.cmsubscription.CmNotificationSubscriptionMappersHandler; +import org.onap.cps.ncmp.api.impl.events.cmsubscription.CmNotificationSubscriptionNcmpOutEventPublishingTask; +import org.onap.cps.ncmp.api.impl.events.cmsubscription.DmiCmNotificationSubscriptionCacheHandler; +import org.onap.cps.ncmp.events.cmsubscription_merge1_0_0.ncmp_to_client.CmNotificationSubscriptionNcmpOutEvent; +import org.onap.cps.utils.JsonObjectMapper; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty; +import org.springframework.stereotype.Component; + +@Component +@Slf4j +@RequiredArgsConstructor +@ConditionalOnProperty(name = "notification.enabled", havingValue = "true", matchIfMissing = true) +public class CmNotificationSubscriptionNcmpOutEventProducer { + + @Value("${app.ncmp.avc.cm-subscription-ncmp-out}") + private String cmNotificationSubscriptionNcmpOutEventTopic; + + @Value("${ncmp.timers.subscription-forwarding.dmi-response-timeout-ms}") + private Integer cmNotificationSubscriptionDmiOutEventTimeoutInMs; + + private final EventsPublisher<CloudEvent> eventsPublisher; + private final JsonObjectMapper jsonObjectMapper; + private final CmNotificationSubscriptionMappersHandler cmNotificationSubscriptionMappersHandler; + private final DmiCmNotificationSubscriptionCacheHandler dmiCmNotificationSubscriptionCacheHandler; + private final ScheduledExecutorService scheduledExecutorService = Executors.newSingleThreadScheduledExecutor(); + private static final Map<String, ScheduledFuture<?>> scheduledTasksPerSubscriptionId = new ConcurrentHashMap<>(); + + /** + * Publish the event to the client who requested the subscription with key as subscription id and event is Cloud + * Event compliant. + * + * @param subscriptionId Cm Subscription Id + * @param eventType Type of event + * @param cmNotificationSubscriptionNcmpOutEvent Cm Notification Subscription Event for the + * client + * @param isScheduledEvent Determines if the event is to be scheduled + * or published now + */ + public void publishCmNotificationSubscriptionNcmpOutEvent(final String subscriptionId, final String eventType, + final CmNotificationSubscriptionNcmpOutEvent + cmNotificationSubscriptionNcmpOutEvent, + final boolean isScheduledEvent) { + + if (isScheduledEvent && !scheduledTasksPerSubscriptionId.containsKey(subscriptionId)) { + final ScheduledFuture<?> scheduledFuture = + scheduleAndPublishCmNotificationSubscriptionNcmpOutEvent(subscriptionId, eventType); + scheduledTasksPerSubscriptionId.putIfAbsent(subscriptionId, scheduledFuture); + log.debug("Scheduled the CmNotificationSubscriptionEvent for subscriptionId : {}", subscriptionId); + } else { + cancelScheduledTaskForSubscriptionId(subscriptionId); + publishCmNotificationSubscriptionNcmpOutEventNow(subscriptionId, eventType, + cmNotificationSubscriptionNcmpOutEvent); + log.info("Published CmNotificationSubscriptionEvent on demand for subscriptionId : {}", subscriptionId); + } + } + + private ScheduledFuture<?> scheduleAndPublishCmNotificationSubscriptionNcmpOutEvent(final String subscriptionId, + final String eventType) { + final CmNotificationSubscriptionNcmpOutEventPublishingTask + cmNotificationSubscriptionNcmpOutEventPublishingTask = + new CmNotificationSubscriptionNcmpOutEventPublishingTask(cmNotificationSubscriptionNcmpOutEventTopic, + subscriptionId, eventType, eventsPublisher, jsonObjectMapper, + cmNotificationSubscriptionMappersHandler, dmiCmNotificationSubscriptionCacheHandler); + return scheduledExecutorService.schedule(cmNotificationSubscriptionNcmpOutEventPublishingTask, + cmNotificationSubscriptionDmiOutEventTimeoutInMs, TimeUnit.MILLISECONDS); + } + + private void cancelScheduledTaskForSubscriptionId(final String subscriptionId) { + + final ScheduledFuture<?> scheduledFuture = scheduledTasksPerSubscriptionId.get(subscriptionId); + if (scheduledFuture != null) { + scheduledFuture.cancel(true); + scheduledTasksPerSubscriptionId.remove(subscriptionId); + } + + } + + + private void publishCmNotificationSubscriptionNcmpOutEventNow(final String subscriptionId, final String eventType, + final CmNotificationSubscriptionNcmpOutEvent + cmNotificationSubscriptionNcmpOutEvent) { + final CloudEvent cmNotificationSubscriptionNcmpOutEventAsCloudEvent = + buildAndGetCmNotificationNcmpOutEventAsCloudEvent(jsonObjectMapper, subscriptionId, eventType, + cmNotificationSubscriptionNcmpOutEvent); + eventsPublisher.publishCloudEvent(cmNotificationSubscriptionNcmpOutEventTopic, subscriptionId, + cmNotificationSubscriptionNcmpOutEventAsCloudEvent); + dmiCmNotificationSubscriptionCacheHandler + .removeAcceptedAndRejectedDmiCmNotificationSubscriptionEntries(subscriptionId); + } + + /** + * Get an NCMP out event as cloud event. + * + * @param jsonObjectMapper JSON object mapper + * @param subscriptionId subscription id + * @param eventType event type + * @param cmNotificationSubscriptionNcmpOutEvent cm notification subscription NCMP out event + * @return cm notification subscription NCMP out event as cloud event + */ + public static CloudEvent buildAndGetCmNotificationNcmpOutEventAsCloudEvent( + final JsonObjectMapper jsonObjectMapper, final String subscriptionId, final String eventType, + final CmNotificationSubscriptionNcmpOutEvent cmNotificationSubscriptionNcmpOutEvent) { + + return CloudEventBuilder.v1().withId(UUID.randomUUID().toString()).withType(eventType) + .withSource(URI.create("NCMP")).withDataSchema(URI.create("org.onap.ncmp.cm.subscription:1.0.0")) + .withExtension("correlationid", subscriptionId) + .withData(jsonObjectMapper.asJsonBytes(cmNotificationSubscriptionNcmpOutEvent)).build(); + } + +} |