[POLICY-73] replace openecomp for policy-engine

[policy/engine.git] / PolicyEngineAPI / src / main / java / org / onap / policy / std / AutoClientDMAAP.java

diff --git a/PolicyEngineAPI/src/main/java/org/onap/policy/std/AutoClientDMAAP.java b/PolicyEngineAPI/src/main/java/org/onap/policy/std/AutoClientDMAAP.java
new file mode 100644 (file)
index 0000000..3699bfc
--- /dev/null
+++ b/PolicyEngineAPI/src/main/java/org/onap/policy/std/AutoClientDMAAP.java
@@ -0,0 +1,132 @@
+package org.onap.policy.std;
+
+import java.util.List;
+import java.util.UUID;
+
+import org.onap.policy.api.NotificationHandler;
+import org.onap.policy.api.NotificationScheme;
+import org.onap.policy.api.NotificationType;
+import org.onap.policy.api.PDPNotification;
+import org.onap.policy.common.logging.flexlogger.FlexLogger;
+import org.onap.policy.common.logging.flexlogger.Logger;
+import org.onap.policy.utils.BusConsumer;
+import org.onap.policy.xacml.api.XACMLErrorConstants;
+
+public class AutoClientDMAAP implements Runnable {
+       private static StdPDPNotification notification = null;
+       private static NotificationScheme scheme = null;
+       private static NotificationHandler handler = null;
+       private static String topic = null;
+       private static boolean status = false; 
+       private static Logger logger = FlexLogger.getLogger(AutoClientDMAAP.class.getName());
+       private static String notficatioinType = null;
+       private static BusConsumer dmaapConsumer = null;
+       private static List<String> dmaapList = null; 
+       private static String aafLogin = null;
+       private static String aafPassword = null;
+       public volatile boolean isRunning = false;
+    
+
+       public AutoClientDMAAP(List<String> dmaapList, String topic, String aafLogin, String aafPassword) {
+              AutoClientDMAAP.topic = topic;
+              AutoClientDMAAP.dmaapList = dmaapList;
+              AutoClientDMAAP.aafLogin = aafLogin;
+              AutoClientDMAAP.aafPassword = aafPassword;
+       }
+
+       public void setAuto(NotificationScheme scheme,
+                       NotificationHandler handler) {
+               AutoClientDMAAP.scheme = scheme;
+               AutoClientDMAAP.handler = handler;
+       }
+
+       public static void setScheme(NotificationScheme scheme) {
+               AutoClientDMAAP.scheme = scheme;
+       }
+       
+       public static boolean getStatus(){
+               return AutoClientDMAAP.status;
+       }
+
+       public static String getTopic() {
+               return AutoClientDMAAP.topic;
+       }
+       
+       public static String getNotficationType(){
+               return AutoClientDMAAP.notficatioinType;
+       }
+
+       public synchronized boolean isRunning() {
+               return this.isRunning;
+       }
+       
+       public synchronized void terminate() {
+               this.isRunning = false;
+       }
+       
+       @Override
+       public void run() {
+               synchronized(this) {
+                       this.isRunning = true;
+               }
+               String group =  UUID.randomUUID ().toString ();
+               String id = "0";
+
+               // Stop and Start needs to be done.
+               if (scheme != null && handler!=null) {
+                       if (scheme.equals(NotificationScheme.AUTO_ALL_NOTIFICATIONS) || scheme.equals(NotificationScheme.AUTO_NOTIFICATIONS)) {
+                                       
+                               // create a loop to listen for messages from DMaaP server
+                               try {
+                                       dmaapConsumer = new BusConsumer.DmaapConsumerWrapper(dmaapList, topic, aafLogin, aafPassword, group, id, 15*1000, 1000 );
+                               } catch (Exception e) {
+                                       logger.error(XACMLErrorConstants.ERROR_PROCESS_FLOW + "Unable to create DMaaP Consumer: ", e);
+                               } 
+                               
+                               while (this.isRunning() )
+                               {
+                                       try {
+                                               for ( String msg : dmaapConsumer.fetch () )
+                                               {               
+                                                       logger.debug("Auto Notification Recieved Message " + msg + " from DMAAP server : " + dmaapList.toString());
+                                                       notification = NotificationUnMarshal.notificationJSON(msg);
+                                                       callHandler();
+                                               }
+                                       } catch (Exception e) {
+                                               logger.debug("Error in processing DMAAP message");
+                                       }
+
+                               }
+                               logger.debug("Stopping DMAAP Consumer loop will no longer fetch messages from the servers");
+                       }
+               }
+       }
+
+       private static void callHandler() {
+               if (handler != null && scheme != null) {
+                       if (scheme.equals(NotificationScheme.AUTO_ALL_NOTIFICATIONS)) {
+                               boolean removed = false, updated = false;
+                               if (notification.getRemovedPolicies() != null && !notification.getRemovedPolicies().isEmpty()) {
+                                       removed = true;
+                               }
+                               if (notification.getLoadedPolicies() != null && !notification.getLoadedPolicies().isEmpty()) {
+                                       updated = true;
+                               }
+                               if (removed && updated) {
+                                       notification.setNotificationType(NotificationType.BOTH);
+                               } else if (removed) {
+                                       notification.setNotificationType(NotificationType.REMOVE);
+                               } else if (updated) {
+                                       notification.setNotificationType(NotificationType.UPDATE);
+                               }
+                               handler.notificationReceived(notification);
+                       } else if (scheme.equals(NotificationScheme.AUTO_NOTIFICATIONS)) {
+                               PDPNotification newNotification = MatchStore.checkMatch(notification);
+                               if (newNotification.getNotificationType() != null) {
+                                       handler.notificationReceived(newNotification);
+                               }
+                       }
+               }
+       }
+
+}