Added FULL_MASK, NO_MASK constant values for each value type.
diff --git a/java_gen/pre-written/src/main/java/org/openflow/types/VlanVid.java b/java_gen/pre-written/src/main/java/org/openflow/types/VlanVid.java
index e36a5dd..f64f4e4 100644
--- a/java_gen/pre-written/src/main/java/org/openflow/types/VlanVid.java
+++ b/java_gen/pre-written/src/main/java/org/openflow/types/VlanVid.java
@@ -8,6 +8,9 @@
     private static final short VALIDATION_MASK = 0x0FFF;
     final static int LENGTH = 2;
     
+    public static final VlanVid FULL_MASK = VlanVid.of((short)0xFFFF);
+    public static final VlanVid NO_MASK = VlanVid.of((short)0x0);
+
     private final short vid;
     
     private VlanVid(short vid) {