Changes required to adopt new loxi APIs into legacy OFMatch:
1. Added value getters to new value types
2. Changed Match, MatchBuilder interfaces according to new desing
diff --git a/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchField.java b/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchField.java
index d9d68ec..071eaa0 100644
--- a/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchField.java
+++ b/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchField.java
@@ -4,9 +4,9 @@
 import org.openflow.types.EthType;
 import org.openflow.types.ICMPv4Code;
 import org.openflow.types.ICMPv4Type;
-import org.openflow.types.IPv4WithMask;
+import org.openflow.types.IPv4;
+import org.openflow.types.IPv6;
 import org.openflow.types.IPv6FlowLabel;
-import org.openflow.types.IPv6WithMask;
 import org.openflow.types.IpDscp;
 import org.openflow.types.IpEcn;
 import org.openflow.types.IpProtocol;
@@ -18,91 +18,86 @@
 import org.openflow.types.VlanPcp;
 import org.openflow.types.VlanVid;
 
-public class MatchField<F extends OFValueType> {
+public class MatchField<F extends OFValueType<F>> {
     private final String name;
-    public final int id;
+    public final MatchFields id;
 
-    public MatchField(final String name) {
-        this.name = name;
-        this.id = -1;
-    }
-
-    public MatchField(final String name, final int id) {
+    private MatchField(final String name, final MatchFields id) {
         this.name = name;
         this.id = id;
     }
 
     public final static MatchField<OFPort> IN_PORT =
-            new MatchField<OFPort>("in_port", 0);
+            new MatchField<OFPort>("in_port", MatchFields.IN_PORT);
     public final static MatchField<OFPort> IN_PHY_PORT =
-            new MatchField<OFPort>("in_phy_port");
+            new MatchField<OFPort>("in_phy_port", MatchFields.PHYSICAL_PORT);
     public final static MatchField<OFPort> METADATA =
-            new MatchField<OFPort>("metadata");
+            new MatchField<OFPort>("metadata", MatchFields.METADATA);
 
     public final static MatchField<Masked<MacAddress>> ETH_DST =
-            new MatchField<Masked<MacAddress>>("eth_dst");
+            new MatchField<Masked<MacAddress>>("eth_dst", MatchFields.ETH_DST);
     public final static MatchField<Masked<MacAddress>> ETH_SRC =
-            new MatchField<Masked<MacAddress>>("eth_src", 1);
+            new MatchField<Masked<MacAddress>>("eth_src", MatchFields.ETH_SRC);
 
     public final static MatchField<EthType> ETH_TYPE =
-            new MatchField<EthType>("eth_type");
+            new MatchField<EthType>("eth_type", MatchFields.ETH_TYPE);
     
     public final static MatchField<Masked<VlanVid>> VLAN_VID =
-            new MatchField<Masked<VlanVid>>("vlan_vid");
+            new MatchField<Masked<VlanVid>>("vlan_vid", MatchFields.VLAN_VID);
     public final static MatchField<VlanPcp> VLAN_PCP =
-            new MatchField<VlanPcp>("vlan_pcp");
+            new MatchField<VlanPcp>("vlan_pcp", MatchFields.VLAN_PCP);
     
     
     public final static MatchField<IpDscp> IP_DSCP =
-            new MatchField<IpDscp>("ip_dscp");
+            new MatchField<IpDscp>("ip_dscp", MatchFields.IP_DSCP);
     public final static MatchField<IpEcn> IP_ECN =
-            new MatchField<IpEcn>("ip_dscp");
+            new MatchField<IpEcn>("ip_dscp", MatchFields.IP_ECN);
     public final static MatchField<IpProtocol> IP_PROTO =
-            new MatchField<IpProtocol>("ip_proto");
+            new MatchField<IpProtocol>("ip_proto", MatchFields.IP_PROTO);
 
-    public final static MatchField<IPv4WithMask> IPV4_SRC =
-            new MatchField<IPv4WithMask>("ipv4_src");
-    public final static MatchField<IPv4WithMask> IPV4_DST =
-            new MatchField<IPv4WithMask>("ipv4_dst");
+    public final static MatchField<Masked<IPv4>> IPV4_SRC =
+            new MatchField<Masked<IPv4>>("ipv4_src", MatchFields.IPV4_SRC);
+    public final static MatchField<Masked<IPv4>> IPV4_DST =
+            new MatchField<Masked<IPv4>>("ipv4_dst", MatchFields.IPV4_DST);
 
     public final static MatchField<TransportPort> TCP_SRC = new MatchField<TransportPort>(
-            "tcp_src");
+            "tcp_src", MatchFields.TCP_SRC);
     public final static MatchField<TransportPort> TCP_DST = new MatchField<TransportPort>(
-            "tcp_dst");
+            "tcp_dst", MatchFields.TCP_DST);
 
     public final static MatchField<TransportPort> UDP_SRC = new MatchField<TransportPort>(
-            "udp_src");
+            "udp_src", MatchFields.UDP_SRC);
     public final static MatchField<TransportPort> UDP_DST = new MatchField<TransportPort>(
-            "udp_dst");
+            "udp_dst", MatchFields.UDP_DST);
 
     public final static MatchField<TransportPort> SCTP_SRC = new MatchField<TransportPort>(
-            "sctp_src");
+            "sctp_src", MatchFields.SCTP_SRC);
     public final static MatchField<TransportPort> SCTP_DST = new MatchField<TransportPort>(
-            "sctp_dst");
+            "sctp_dst", MatchFields.SCTP_DST);
 
     public final static MatchField<ICMPv4Type> ICMPV4_TYPE = new MatchField<ICMPv4Type>(
-            "icmpv4_src");
+            "icmpv4_src", MatchFields.ICMPV4_TYPE);
     public final static MatchField<ICMPv4Code> ICMPV4_CODE = new MatchField<ICMPv4Code>(
-            "icmpv4_dst");
+            "icmpv4_dst", MatchFields.ICMPV4_CODE);
 
     public final static MatchField<ArpOpcode> ARP_OP = new MatchField<ArpOpcode>(
-            "arp_op");
-    public final static MatchField<IPv4WithMask> ARP_SPA =
-            new MatchField<IPv4WithMask>("arp_spa");
-    public final static MatchField<IPv4WithMask> ARP_TPA =
-            new MatchField<IPv4WithMask>("arp_tpa");
+            "arp_op", MatchFields.ARP_OP);
+    public final static MatchField<Masked<IPv4>> ARP_SPA =
+            new MatchField<Masked<IPv4>>("arp_spa", MatchFields.ARP_SPA);
+    public final static MatchField<Masked<IPv4>> ARP_TPA =
+            new MatchField<Masked<IPv4>>("arp_tpa", MatchFields.ARP_TPA);
     public final static MatchField<Masked<MacAddress>> ARP_SHA =
-            new MatchField<Masked<MacAddress>>("arp_sha");
+            new MatchField<Masked<MacAddress>>("arp_sha", MatchFields.ARP_SHA);
     public final static MatchField<Masked<MacAddress>> ARP_THA =
-            new MatchField<Masked<MacAddress>>("arp_tha");
+            new MatchField<Masked<MacAddress>>("arp_tha", MatchFields.ARP_THA);
 
-    public final static MatchField<IPv6WithMask> IPV6_SRC =
-            new MatchField<IPv6WithMask>("ipv6_src");
-    public final static MatchField<IPv6WithMask> IPV6_DST =
-            new MatchField<IPv6WithMask>("ipv6_dst");
+    public final static MatchField<Masked<IPv6>> IPV6_SRC =
+            new MatchField<Masked<IPv6>>("ipv6_src", MatchFields.IPV6_SRC);
+    public final static MatchField<Masked<IPv6>> IPV6_DST =
+            new MatchField<Masked<IPv6>>("ipv6_dst", MatchFields.IPV6_DST);
 
     public final static MatchField<Masked<IPv6FlowLabel>> IPV6_FLABEL =
-            new MatchField<Masked<IPv6FlowLabel>>("ipv6_flabel");
+            new MatchField<Masked<IPv6FlowLabel>>("ipv6_flabel", MatchFields.IPV6_FLOWLABEL);
 
     public String getName() {
         return name;