X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=sample-services%2Fics-producer-consumer%2Fconsumer%2Fsrc%2Fmain%2Fjava%2Fcom%2Fdemo%2Fconsumer%2Fmessages%2FAbstractSimpleKafka.java;fp=sample-services%2Fics-producer-consumer%2Fconsumer%2Fsrc%2Fmain%2Fjava%2Fcom%2Fdemo%2Fconsumer%2Fmessages%2FAbstractSimpleKafka.java;h=4f817a98a051ea84ac8d2962c575a48b623bce76;hb=6360bbb90944220eef2f0b8f03623ae40c9646cd;hp=0000000000000000000000000000000000000000;hpb=0f1c16fd071c70215eed25fa45ecce4803c83d72;p=nonrtric.git

diff --git a/sample-services/ics-producer-consumer/consumer/src/main/java/com/demo/consumer/messages/AbstractSimpleKafka.java b/sample-services/ics-producer-consumer/consumer/src/main/java/com/demo/consumer/messages/AbstractSimpleKafka.java
new file mode 100644
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--- /dev/null
+++ b/sample-services/ics-producer-consumer/consumer/src/main/java/com/demo/consumer/messages/AbstractSimpleKafka.java
@@ -0,0 +1,42 @@
+/*-
+ * ========================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.consumer.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;
+}