1 files changed, 72 insertions, 0 deletions
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/service/NcmpKafkaPublisher.java b/src/main/java/org/onap/cps/ncmp/dmi/service/NcmpKafkaPublisher.java
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index 00000000..373a09d7
--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/service/NcmpKafkaPublisher.java
@@ -0,0 +1,72 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2022 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;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.kafka.core.KafkaTemplate;
+import org.springframework.kafka.support.SendResult;
+import org.springframework.stereotype.Component;
+import org.springframework.util.concurrent.ListenableFuture;
+import org.springframework.util.concurrent.ListenableFutureCallback;
+
+@Component
+@Slf4j
+public class NcmpKafkaPublisher {
+
+    private final KafkaTemplate<String, Object> kafkaTemplate;
+    private final String topicName;
+
+    /**
+     * KafkaTemplate and Topic name.
+     *
+     * @param kafkaTemplate kafka template
+     * @param topicName     topic name
+     */
+    @Autowired
+    public NcmpKafkaPublisher(final KafkaTemplate<String, Object> kafkaTemplate,
+            @Value("${app.ncmp.async-m2m.topic}") final String topicName) {
+        this.kafkaTemplate = kafkaTemplate;
+        this.topicName = topicName;
+    }
+
+    /**
+     * Sends message to the configured topic with a message key.
+     *
+     * @param messageKey message key
+     * @param payload    message payload
+     */
+    public void sendMessage(final String messageKey, final Object payload) {
+        final ListenableFuture<SendResult<String, Object>> send = kafkaTemplate.send(topicName, messageKey, payload);
+        send.addCallback(new ListenableFutureCallback<>() {
+            @Override
+            public void onFailure(final Throwable ex) {
+                log.warn("Failed to send the messages {}", ex.getMessage());
+            }
+
+            @Override
+            public void onSuccess(final SendResult<String, Object> result) {
+                log.debug("Sent message {}", result.getProducerRecord());
+            }
+        });
+    }
+}