[ONOS-4839] update file priority for translator and OP param file impl defect fix

Change-Id: Ieaef43f915996ed0a34dfa17c338ab612716b2bc
diff --git a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedJavaFileType.java b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedJavaFileType.java
index cdb8b5a..957ea1b 100644
--- a/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedJavaFileType.java
+++ b/utils/yangutils/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/GeneratedJavaFileType.java
@@ -88,6 +88,12 @@
     public static final int GENERATE_EVENT_SUBJECT_CLASS = 1024;
 
     /**
+     * Java classes for events.
+     */
+    public static final int GENERATE_ALL_EVENT_CLASS_MASK = GENERATE_EVENT_CLASS | GENERATE_EVENT_LISTENER_INTERFACE
+            | GENERATE_EVENT_SUBJECT_CLASS;
+
+    /**
      * Identity listener class.
      */
     public static final int GENERATE_IDENTITY_CLASS = 2048;