diff options
Diffstat (limited to 'src/main/java')
3 files changed, 173 insertions, 0 deletions
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/SubscriptionEventConsumer.java b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/SubscriptionEventConsumer.java new file mode 100644 index 00000000..20949797 --- /dev/null +++ b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/SubscriptionEventConsumer.java @@ -0,0 +1,110 @@ +/* + * ============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.avc; + +import java.util.Date; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.onap.cps.ncmp.dmi.service.model.SubscriptionEventResponse; +import org.onap.cps.ncmp.dmi.service.model.SubscriptionEventResponseStatus; +import org.onap.cps.ncmp.event.model.SubscriptionEvent; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.kafka.annotation.KafkaListener; +import org.springframework.kafka.core.KafkaTemplate; +import org.springframework.kafka.support.KafkaHeaders; +import org.springframework.messaging.handler.annotation.Header; +import org.springframework.messaging.handler.annotation.Payload; +import org.springframework.stereotype.Component; + +@Component +@Slf4j +@RequiredArgsConstructor +public class SubscriptionEventConsumer { + + @Value("${app.dmi.avc.subscription-response-topic}") + private String cmAvcSubscriptionResponseTopic; + @Value("${dmi.service.name}") + private String dmiName; + private final KafkaTemplate<String, SubscriptionEventResponse> kafkaTemplate; + + /** + * Consume the specified event. + * + * @param subscriptionEvent the event to be consumed + */ + @KafkaListener(topics = "${app.dmi.avc.subscription-topic}", + properties = {"spring.json.value.default.type=org.onap.cps.ncmp.event.model.SubscriptionEvent"}) + public void consumeSubscriptionEvent(@Payload final SubscriptionEvent subscriptionEvent, + @Header(KafkaHeaders.RECEIVED_MESSAGE_KEY) final String eventKey, + @Header(KafkaHeaders.RECEIVED_TIMESTAMP) final String timeStampReceived) { + final Date dateAndTimeReceived = new Date(Long.parseLong(timeStampReceived)); + final String subscriptionName = subscriptionEvent.getEvent().getSubscription().getName(); + log.info("Subscription for SubscriptionName {} is received at {} by dmi plugin.", subscriptionName, + dateAndTimeReceived); + sendSubscriptionResponseMessage(eventKey, formSubscriptionEventResponse(subscriptionEvent)); + } + + /** + * Sends message to the configured topic. + * + * @param eventKey is the kafka message key + * @param subscriptionEventResponse is the payload of the kafka message + */ + public void sendSubscriptionResponseMessage(final String eventKey, + final SubscriptionEventResponse subscriptionEventResponse) { + kafkaTemplate.send(cmAvcSubscriptionResponseTopic, eventKey, subscriptionEventResponse); + } + + private SubscriptionEventResponse formSubscriptionEventResponse(final SubscriptionEvent subscriptionEvent) { + final SubscriptionEventResponse subscriptionEventResponse = new SubscriptionEventResponse(); + subscriptionEventResponse.setClientId(subscriptionEvent.getEvent().getSubscription().getClientID()); + subscriptionEventResponse.setSubscriptionName(subscriptionEvent.getEvent().getSubscription().getName()); + subscriptionEventResponse.setDmiName(dmiName); + final List<Object> cmHandleIdToCmHandlePropertyMap = subscriptionEvent.getEvent() + .getPredicates() + .getTargets(); + subscriptionEventResponse + .setCmHandleIdToStatus(populateCmHandleIdToStatus(extractCmHandleIds(cmHandleIdToCmHandlePropertyMap))); + return subscriptionEventResponse; + } + + private Set<String> extractCmHandleIds(final List<Object> cmHandleIdTocmHandlePropertyMap) { + final Set<String> cmHandleIds = new HashSet<>(); + for (final Object obj: cmHandleIdTocmHandlePropertyMap) { + final Map<String, Object> cmHandleIdToPropertiesMap = (Map<String, Object>) obj; + cmHandleIds.addAll(cmHandleIdToPropertiesMap.keySet()); + } + return cmHandleIds; + } + + private Map<String, SubscriptionEventResponseStatus> populateCmHandleIdToStatus(final Set<String> cmHandleIds) { + final Map<String, SubscriptionEventResponseStatus> result = new HashMap<>(); + for (final String cmHandleId : cmHandleIds) { + result.put(cmHandleId, SubscriptionEventResponseStatus.ACCEPTED); + } + return result; + } +} diff --git a/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponse.java b/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponse.java new file mode 100644 index 00000000..7666e540 --- /dev/null +++ b/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponse.java @@ -0,0 +1,36 @@ +/* + * ============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.service.model; + +import com.fasterxml.jackson.annotation.JsonInclude; +import java.util.Map; +import lombok.Getter; +import lombok.Setter; + +@JsonInclude(JsonInclude.Include.NON_NULL) +@Getter +@Setter +public class SubscriptionEventResponse { + private String clientId; + private String subscriptionName; + private String dmiName; + private Map<String, SubscriptionEventResponseStatus> cmHandleIdToStatus; +} diff --git a/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponseStatus.java b/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponseStatus.java new file mode 100644 index 00000000..8987ddae --- /dev/null +++ b/src/main/java/org/onap/cps/ncmp/dmi/service/model/SubscriptionEventResponseStatus.java @@ -0,0 +1,27 @@ +/* + * ============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.service.model; + +public enum SubscriptionEventResponseStatus { + ACCEPTED, + REJECTED, + PENDING +} |