Added also support to publish event on site's Role removal

src/main/java/org/gcube/portal/event/publisher/lr62/model/RoleEvent.java

@@ -9,7 +9,7 @@ public class RoleEvent extends PortalModelListenerEvent<Role> {
     private static final long serialVersionUID = 3939268094440017646L;
 
     public static final String CREATED_NAME = "role_created";
-//    public static final String DELETED_NAME = "role_deleted";
+    public static final String DELETED_NAME = "role_deleted";
 
     private RoleEvent(String name, Role role) throws PortalException, SystemException {
         super(name, role);
@@ -25,13 +25,13 @@ public class RoleEvent extends PortalModelListenerEvent<Role> {
         }
     }
 
-//    public static RoleEvent newDeletedEvent(Role role) {
-//        try {
-//            return new RoleEvent(DELETED_NAME, role);
-//        } catch (PortalException | SystemException e) {
-//            log.error("Cannot create event from Role model object", e);
-//            return null;
-//        }
-//    }
+    public static RoleEvent newDeletedEvent(Role role) {
+        try {
+            return new RoleEvent(DELETED_NAME, role);
+        } catch (PortalException | SystemException e) {
+            log.error("Cannot create event from Role model object", e);
+            return null;
+        }
+    }
 
 }

src/main/java/org/gcube/portal/event/publisher/lr62/model/RoleEventPublisher.java

@@ -30,12 +30,23 @@ public class RoleEventPublisher extends AbstractEventPublisherBaseModelListener<
         }
     }
 
-    /* Uninteresting model events */
-
     @Override
     public void onBeforeRemove(Role role) throws ModelListenerException {
+        if (role.getType() == RoleConstants.TYPE_SITE) {
+            log.info("Removed a role having site type");
+            RoleEvent event = RoleEvent.newDeletedEvent(role);
+
+            if (log.isTraceEnabled()) {
+                log.trace("Event is: " + event);
+            }
+            publish(event);
+        } else if (log.isDebugEnabled()) {
+            log.debug("Removed a non-site type role: " + role.getName());
+        }
     }
 
+    /* Uninteresting model events */
+
     @Override
     public void onAfterAddAssociation(Object classPK, String associationClassName, Object associationClassPK)
             throws ModelListenerException {