Initial OpenECOMP policy/engine commit

[policy/engine.git] / ecomp-sdk-app / src / main / java / org / openecomp / portalapp / uebhandler / MainUebHandler.java

diff --git a/ecomp-sdk-app/src/main/java/org/openecomp/portalapp/uebhandler/MainUebHandler.java b/ecomp-sdk-app/src/main/java/org/openecomp/portalapp/uebhandler/MainUebHandler.java
new file mode 100644 (file)
index 0000000..7ff07dd
--- /dev/null
+++ b/ecomp-sdk-app/src/main/java/org/openecomp/portalapp/uebhandler/MainUebHandler.java
@@ -0,0 +1,104 @@
+/*-
+ * ================================================================================
+ * eCOMP Portal SDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * 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.
+ * ================================================================================
+ */
+package org.openecomp.portalapp.uebhandler;
+
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+import org.openecomp.portalsdk.core.logging.logic.EELFLoggerDelegate;
+import org.openecomp.portalsdk.core.onboarding.ueb.UebMsg;
+import org.openecomp.portalsdk.core.onboarding.ueb.UebMsgTypes;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Component;
+
+//-------------------------------------------------------------------------
+// Listens for received UEB messages and handles the messages
+//
+// Note: To implement a synchronous reply call getMsgId on the request 
+//       and putMsgId on the reply (echoing the request MsgId).
+//       
+//-------------------------------------------------------------------------
+@Component("MainUebHandler")
+public class MainUebHandler {
+
+       EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(MainUebHandler.class);
+
+
+       ConcurrentLinkedQueue<UebMsg> inboxQueue = null;
+
+       @Autowired
+       WidgetNotificationHandler widgetNotificationHandler;
+
+       @Async
+       public void runHandler(ConcurrentLinkedQueue<UebMsg> queue) {
+               inboxQueue = queue;
+
+               logger.info(EELFLoggerDelegate.debugLogger, ("==> MainUebHandler started"));
+
+               while (true) {
+                       UebMsg msg = null;
+                       while ((msg = inboxQueue.poll()) != null) {
+                               if (msg.getMsgType() != null) {
+                                       logger.debug(EELFLoggerDelegate.debugLogger, ("<== Received UEB message : " + msg.toString()));
+
+                                       switch (msg.getMsgType()) {
+                                       /*
+                                        * Add your own defined handler objects, use @Component for
+                                        * the class. See WidgetNotificationHandler as an example.
+                                        *
+                                        * Use @Async on methods for performance
+                                        *
+                                        * For syncronous replies use UebManager publishReply and
+                                        * echo back the msgId in your response ie
+                                        * msg.putMsgId(requestMsg.getMsgId())
+                                        *
+                                        * case UebMsgTypes.UEB_MSG_TYPE_XYZ: {
+                                        * XYZHandler.handleMsg(msg); break; }
+                                        */
+                                       case UebMsgTypes.UEB_MSG_TYPE_WIDGET_NOTIFICATION: {
+                                               widgetNotificationHandler.handleWidgetNotification(msg);
+                                               break;
+                                       }
+                                       default: {
+                                               
+                                               logger.info(EELFLoggerDelegate.debugLogger, ("Unknown message type [" + msg.getMsgType() + "] from " + msg.getSourceTopicName()));
+
+                                               break;
+                                       }
+                                       }
+                               }
+                       }
+
+                       if (Thread.interrupted()) {
+                               
+                               logger.info(EELFLoggerDelegate.debugLogger, ("==> UebMainHandler exiting"));
+
+                               break;
+                       }
+
+                       try {
+                               Thread.sleep(10);
+                       } catch (InterruptedException e) {
+                               logger.info(EELFLoggerDelegate.debugLogger, ("UebMainHandler interrupted during sleep" + e.getMessage()));
+
+                       }
+               }
+       }
+}