1 files changed, 63 insertions, 0 deletions
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/DataOperationEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/DataOperationEventConsumer.java
new file mode 100644
index 000000000..9649b0109
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/async/DataOperationEventConsumer.java
@@ -0,0 +1,63 @@
+/*
+ * ============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.async;
+
+import io.cloudevents.CloudEvent;
+import io.cloudevents.kafka.impl.KafkaHeaders;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.kafka.clients.consumer.ConsumerRecord;
+import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.kafka.annotation.KafkaListener;
+import org.springframework.stereotype.Component;
+
+/**
+ * Listener for cps-ncmp async data operation events.
+ */
+@Component
+@Slf4j
+@RequiredArgsConstructor
+@ConditionalOnProperty(name = "notification.enabled", havingValue = "true", matchIfMissing = true)
+public class DataOperationEventConsumer {
+
+    private final EventsPublisher<CloudEvent> eventsPublisher;
+
+    /**
+     * Consume the DataOperation cloud event published by producer to topic 'async-m2m.topic'
+     * and publish the same to client specified topic.
+     *
+     * @param dataOperationEventConsumerRecord consuming event as a ConsumerRecord.
+     */
+    @KafkaListener(
+            topics = "${app.ncmp.async-m2m.topic}",
+            filter = "includeDataOperationEventsOnly",
+            groupId = "ncmp-data-operation-event-group",
+            containerFactory = "cloudEventConcurrentKafkaListenerContainerFactory")
+    public void consumeAndPublish(final ConsumerRecord<String, CloudEvent> dataOperationEventConsumerRecord) {
+        log.info("Consuming event payload {} ...", dataOperationEventConsumerRecord.value());
+        final String eventTarget = KafkaHeaders.getParsedKafkaHeader(
+                dataOperationEventConsumerRecord.headers(), "ce_destination");
+        final String eventId = KafkaHeaders.getParsedKafkaHeader(
+                dataOperationEventConsumerRecord.headers(), "ce_id");
+        eventsPublisher.publishCloudEvent(eventTarget, eventId, dataOperationEventConsumerRecord.value());
+    }
+}