1 files changed, 65 insertions, 0 deletions
diff --git a/cps-service/src/main/java/org/onap/cps/notification/NotificationPublisher.java b/cps-service/src/main/java/org/onap/cps/notification/NotificationPublisher.java
new file mode 100644
index 000000000..1ab032b57
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+++ b/cps-service/src/main/java/org/onap/cps/notification/NotificationPublisher.java
@@ -0,0 +1,65 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Bell Canada. All rights reserved.
+ *  ================================================================================
+ *  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.notification;
+
+import lombok.extern.slf4j.Slf4j;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.onap.cps.event.model.CpsDataUpdatedEvent;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.kafka.core.KafkaTemplate;
+import org.springframework.stereotype.Component;
+
+@Component
+@Slf4j
+public class NotificationPublisher {
+
+    private KafkaTemplate<String, CpsDataUpdatedEvent> kafkaTemplate;
+    private String topicName;
+
+    /**
+     * Create an instance of Notification Publisher.
+     *
+     * @param kafkaTemplate kafkaTemplate is send event using kafka
+     * @param topicName     topic, to which cpsDataUpdatedEvent is sent, is provided by setting
+     *                      'notification.data-updated.topic' in the application properties
+     */
+    @Autowired
+    public NotificationPublisher(
+        final KafkaTemplate<String, CpsDataUpdatedEvent> kafkaTemplate,
+        final @Value("${notification.data-updated.topic}") String topicName) {
+        this.kafkaTemplate = kafkaTemplate;
+        this.topicName = topicName;
+    }
+
+    /**
+     * Send event to Kafka with correct message key.
+     *
+     * @param cpsDataUpdatedEvent event to be sent to kafka
+     */
+    void sendNotification(@NonNull final CpsDataUpdatedEvent cpsDataUpdatedEvent) {
+        final var messageKey = cpsDataUpdatedEvent.getContent().getDataspaceName() + ","
+            + cpsDataUpdatedEvent.getContent().getAnchorName();
+        log.debug("Data Updated event is being sent with messageKey: '{}' & body : {} ",
+            messageKey, cpsDataUpdatedEvent);
+        kafkaTemplate.send(topicName, messageKey, cpsDataUpdatedEvent);
+    }
+
+}