Merge "ICS sample producer and consumer"

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

diff --git a/sample-services/ics-producer-consumer/consumer/src/main/java/com/demo/consumer/controllers/ThreadsController.java b/sample-services/ics-producer-consumer/consumer/src/main/java/com/demo/consumer/controllers/ThreadsController.java
new file mode 100644 (file)
index 0000000..f668e3a
--- /dev/null
+++ b/sample-services/ics-producer-consumer/consumer/src/main/java/com/demo/consumer/controllers/ThreadsController.java
@@ -0,0 +1,93 @@
+/*-
+ * ========================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);
+        }
+    }
+}