Updated Java types according to new design
diff --git a/java_gen/pre-written/src/main/java/org/openflow/types/VlanPcp.java b/java_gen/pre-written/src/main/java/org/openflow/types/VlanPcp.java
index bda2dc1..0a7b7c5 100644
--- a/java_gen/pre-written/src/main/java/org/openflow/types/VlanPcp.java
+++ b/java_gen/pre-written/src/main/java/org/openflow/types/VlanPcp.java
@@ -1,5 +1,86 @@
 package org.openflow.types;
 
-public class VlanPcp {
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.openflow.exceptions.OFParseError;
 
+public class VlanPcp implements OFValueType {
+    
+    private static final byte VALIDATION_MASK = 0x07;
+    static final int LENGTH = 1; 
+    
+    private final byte pcp;
+    
+    private VlanPcp(byte pcp) {
+        this.pcp = pcp;
+    }
+    
+    public static VlanPcp of(byte pcp) {
+        if ((pcp & VALIDATION_MASK) != pcp)
+            throw new IllegalArgumentException("Illegal VLAN PCP value: " + pcp);
+        return new VlanPcp(pcp);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof VlanPcp))
+            return false;
+        VlanPcp other = (VlanPcp)obj;
+        if (other.pcp != this.pcp)
+            return false;
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        int prime = 20173;
+        return this.pcp * prime;
+    }
+
+    @Override
+    public String toString() {
+        return "0x" + Integer.toHexString(pcp);
+    }
+
+    public byte getValue() {
+        return pcp;
+    }
+
+    @Override
+    public int getLength() {
+        return LENGTH;
+    }
+
+    volatile byte[] bytesCache = null;
+
+    public byte[] getBytes() {
+        if (bytesCache == null) {
+            synchronized (this) {
+                if (bytesCache == null) {
+                    bytesCache =
+                            new byte[] { pcp };
+                }
+            }
+        }
+        return bytesCache;
+    }
+    
+    public static final Serializer<VlanPcp> SERIALIZER_V10 = new SerializerV10();
+    public static final Serializer<VlanPcp> SERIALIZER_V11 = SERIALIZER_V10;
+    public static final Serializer<VlanPcp> SERIALIZER_V12 = SERIALIZER_V10;
+    public static final Serializer<VlanPcp> SERIALIZER_V13 = SERIALIZER_V10;
+    
+    private static class SerializerV10 implements OFValueType.Serializer<VlanPcp> {
+
+        @Override
+        public void writeTo(VlanPcp value, ChannelBuffer c) {
+            c.writeShort(value.pcp);
+        }
+
+        @Override
+        public VlanPcp readFrom(ChannelBuffer c) throws OFParseError {
+            return VlanPcp.of((byte)(c.readUnsignedByte() & 0xFF));
+        }
+        
+    }
+    
 }