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/Match.java b/java_gen/pre-written/src/main/java/org/openflow/protocol/match/Match.java
index fa42737..3ff65ab 100644
--- a/java_gen/pre-written/src/main/java/org/openflow/protocol/match/Match.java
+++ b/java_gen/pre-written/src/main/java/org/openflow/protocol/match/Match.java
@@ -4,17 +4,76 @@
 import org.openflow.types.OFValueType;
 
 public interface Match extends OFObject {
-    public <F extends OFValueType> F get(MatchField<F> match);
+    
+    /*
+     * Preconditions
+     * On preconditions (from the OF1.1 spec, page 28, the OF1.0 spec failed to explicitly 
+     * specify this, but it is the behavior of Of1.0 switches):
+     * Protocol-specific fields within ofp_match will be ignored within a single table when 
+     * the corresponding protocol is not specified in the match. The MPLS match fields will 
+     * be ignored unless the Ethertype is specified as MPLS. Likewise, the IP header and 
+     * transport header fields will be ignored unless the Ethertype is specified as either 
+     * IPv4 or ARP. The tp_src and tp_dst fields will be ignored unless the network protocol 
+     * specified is as TCP, UDP or SCTP. Fields that are ignored donÕt need to be wildcarded 
+     * and should be set to 0.
+     */
+    
+    /**
+     * Returns the value for the given field from this match.
+     * 
+     * @param field Match field to retrieve
+     * @return Value of match field
+     */
+    public <F extends OFValueType<F>> F get(MatchField<F> field) throws UnsupportedOperationException;
 
+    /**
+     * Returns true if this match object supports the given match field.
+     * 
+     * @param field Match field
+     * @return 
+     */
     public boolean supports(MatchField<?> field);
 
+    /**
+     * true iff field supports a bitmask mask that wildcards part of the field 
+     * (note: not all possible values of this bitmask have to be acceptable)
+     * 
+     * @param field Match field
+     * @return 
+     */
     public boolean supportsMasked(MatchField<?> field);
 
+    /**
+     * True iff this field is currently fully specified in the match, i.e., the 
+     * match will only select packets that match the exact value of getField(field).
+     * 
+     * @param field Match field
+     * @return 
+     */
     public boolean isExact(MatchField<?> field);
 
+    /**
+     * True if this field is currently logically unspecified in the match, i.e, the 
+     * value returned by getValue(f) has no impact on whether a packet will be selected 
+     * by the match or not.
+     * 
+     * @param field
+     * @return
+     */
     public boolean isFullyWildcarded(MatchField<?> field);
 
+    /**
+     * True if this field is currently partially specified in the match, i.e, the 
+     * match will select packets that match (p.value & getMask(field)) == getValue(field).
+     * 
+     * @param field
+     * @return
+     */
     public boolean isPartiallyMasked(MatchField<?> field);
 
+    /**
+     * Returns a builder to build new instances of this type of match object.
+     * @return Match builder
+     */
     public MatchBuilder getBuilder();
 }
diff --git a/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchBuilder.java b/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchBuilder.java
index 3c601f8..fc4c07a 100644
--- a/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchBuilder.java
+++ b/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchBuilder.java
@@ -3,8 +3,10 @@
 import org.openflow.types.OFValueType;
 
 public interface MatchBuilder extends Match {
-    public <F extends OFValueType> MatchBuilder set(MatchField<F> match, F value);
+    public <F extends OFValueType<F>> MatchBuilder set(MatchField<F> field, F value);
 
+    public <F extends OFValueType<F>> MatchBuilder unset(MatchField<F> field);
+    
     //public <M> void setMasked(MatchField<?, M> match, M value);
 
     public Match getMatch();
diff --git a/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchBuilderVer10.java b/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchBuilderVer10.java
index 0fbe84b..1c91201 100644
--- a/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchBuilderVer10.java
+++ b/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchBuilderVer10.java
@@ -22,33 +22,6 @@
 
     // public static Map<MatchField<?,?>, BuilderParamHandler<?>>
     // handlerMap = new HashMap();
-    static BuilderParamHandler<?>[] handlers = new BuilderParamHandler<?>[2];
-
-    static {
-        handlers[MatchField.IN_PORT.id] = new BuilderParamHandler<OFPort>() {
-            @Override
-            public void set(final MatchBuilderVer10 builder, final OFPort value) {
-                builder.inputPort = value;
-            }
-
-            @Override
-            public OFPort get(final MatchBuilderVer10 builder) {
-                return builder.inputPort;
-            }
-        };
-
-        handlers[MatchField.ETH_SRC.id] = new BuilderParamHandler<MacAddress>() {
-            @Override
-            public void set(final MatchBuilderVer10 builder, final MacAddress value) {
-                builder.dataLayerSource = value;
-            }
-
-            @Override
-            public MacAddress get(final MatchBuilderVer10 builder) {
-                return builder.dataLayerSource;
-            }
-        };
-    }
 
     protected int wildcards;
     protected OFPort inputPort;
@@ -66,30 +39,37 @@
 
     @SuppressWarnings("unchecked")
     @Override
-    public <F extends OFValueType> F get(final MatchField<F> match) {
+    public <F extends OFValueType<F>> F get(final MatchField<F> match) {
         switch (match.id) {
-            case 0:
+            case IN_PORT:
                 return (F) inputPort;
-            case 1:
+            case ETH_SRC:
                 return (F) dataLayerSource;
             default:
                 return null;
         }
     }
 
-    @SuppressWarnings("unchecked")
     @Override
-    public <F extends OFValueType> MatchBuilder set(final MatchField<F> match, final F value) {
+    public <F extends OFValueType<F>> MatchBuilder set(final MatchField<F> match, final F value) {
         switch (match.id) {
-            case 0:
+            case IN_PORT:
                 inputPort = (OFPort) value;
                 break;
-            case 1:
+            case ETH_SRC:
                 dataLayerSource = (MacAddress) value;
                 break;
+            default:
+                break;
         }
         return this;
     }
+    
+    @Override
+    public <F extends OFValueType<F>> MatchBuilder unset(final MatchField<F> match) {
+        // TODO Auto-generated method stub
+        return null;
+    }
 
     public OFPort getInputPort() {
         return inputPort;
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;
diff --git a/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchFields.java b/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchFields.java
new file mode 100644
index 0000000..21043f2
--- /dev/null
+++ b/java_gen/pre-written/src/main/java/org/openflow/protocol/match/MatchFields.java
@@ -0,0 +1,33 @@
+package org.openflow.protocol.match;
+
+public enum MatchFields {
+    IN_PORT,
+    PHYSICAL_PORT,
+    METADATA,
+    ETH_DST,
+    ETH_SRC,
+    ETH_TYPE,
+    VLAN_VID,
+    VLAN_PCP,
+    IP_DSCP,
+    IP_ECN,
+    IP_PROTO,
+    IPV4_SRC,
+    IPV4_DST,
+    TCP_SRC,
+    TCP_DST,
+    UDP_SRC,
+    UDP_DST,
+    SCTP_SRC,
+    SCTP_DST,
+    ICMPV4_TYPE,
+    ICMPV4_CODE,
+    ARP_OP,
+    ARP_SPA,
+    ARP_TPA,
+    ARP_SHA,
+    ARP_THA,
+    IPV6_SRC,
+    IPV6_DST,
+    IPV6_FLOWLABEL,
+}