Merge "ICS sample producer and consumer"

[nonrtric.git] / sample-services / ics-producer-consumer / producer / src / main / java / com / demo / producer / messages / AbstractSimpleKafka.java

diff --git a/sample-services/ics-producer-consumer/producer/src/main/java/com/demo/producer/messages/AbstractSimpleKafka.java b/sample-services/ics-producer-consumer/producer/src/main/java/com/demo/producer/messages/AbstractSimpleKafka.java
new file mode 100644 (file)
index 0000000..d00d074
--- /dev/null
+++ b/sample-services/ics-producer-consumer/producer/src/main/java/com/demo/producer/messages/AbstractSimpleKafka.java
@@ -0,0 +1,43 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ *
+ * Copyright (C) 2024: OpenInfra Foundation Europe
+ *
+ * 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.
+ * ========================LICENSE_END===================================
+ */
+
+package com.demo.producer.messages;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+public abstract class AbstractSimpleKafka {
+    private static final Logger log = LoggerFactory.getLogger(AbstractSimpleKafka.class);
+
+    public AbstractSimpleKafka(){
+        Runtime.getRuntime().addShutdownHook(new Thread() {
+            @Override
+            public void run() {
+                    shutdown();
+            }
+        });
+        log.info(MessageHelper.getSimpleJSONObject("Created the Shutdown Hook").toJSONString());
+    }
+
+    public abstract void shutdown();
+    public abstract void runAlways(String topicName, KafkaMessageHandler callback) throws Exception;
+    public abstract void run(String topicName, int numberOfMessages, KafkaMessageHandler callback) throws Exception;
+}