--- /dev/null
+/*-
+ * ========================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.controllers;
+
+import java.util.concurrent.CompletableFuture;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.demo.consumer.consumer.SimpleConsumer;
+import com.demo.consumer.messages.ApplicationMessageHandlerImpl;
+
+@RestController
+public class ThreadsController {
+ private static final Logger log = LoggerFactory.getLogger(ThreadsController.class);
+
+ @Autowired
+ private SimpleConsumer simpleConsumer;
+
+ private Thread consumerThread;
+
+ @Async
+ @GetMapping("/startConsumer/{topicName}")
+ public CompletableFuture<String> startConsumer(@PathVariable("topicName") String topicName) {
+ try {
+ Thread consumerThread = new Thread(() -> {
+ try {
+ simpleConsumer.runAlways(topicName, new ApplicationMessageHandlerImpl());
+ } catch (Exception e) {
+ log.error("Error starting consuming on: " + topicName, e.getMessage());
+ }
+ });
+ consumerThread.start();
+ return CompletableFuture.completedFuture("Consumer started for topic: " + topicName);
+ } catch (Exception e) {
+ return CompletableFuture.failedFuture(e);
+ }
+ }
+
+ @GetMapping("/stopConsumer")
+ public String stopConsumer() {
+ if (consumerThread != null && consumerThread.isAlive()) {
+ try {
+ simpleConsumer.shutdown();
+ } catch (Exception e) {
+ log.error("Error stopping consumer Thread", e.getMessage());
+ }
+ return "Consumer stopped successfully";
+ } else {
+ return "No active consumer to stop";
+ }
+ }
+
+ @GetMapping("/listen/{numberOfMessages}/on/{topicName}")
+ public CompletableFuture<String> listenMessage(@PathVariable int numberOfMessages, @PathVariable String topicName) {
+ try {
+ Thread consumerThread = new Thread(() -> {
+ try {
+ simpleConsumer.run(topicName, numberOfMessages, new ApplicationMessageHandlerImpl());
+ } catch (Exception e) {
+ log.error("Error starting consuming on: " + topicName, e.getMessage());
+ }
+ });
+ consumerThread.start();
+ return CompletableFuture.completedFuture("Consumer started for topic: " + topicName);
+ } catch (Exception e) {
+ return CompletableFuture.failedFuture(e);
+ }
+ }
+}