diff --git a/java_gen/java_type.py b/java_gen/java_type.py
index 5e8bacc..fbdb330 100644
--- a/java_gen/java_type.py
+++ b/java_gen/java_type.py
@@ -446,6 +446,11 @@
         .op(read='DatapathId.of(bb.readLong())',
             write='bb.writeLong($name.getLong())',
             default='DatapathId.NONE')
+action_type_set = JType("Set<OFActionType>") \
+        .op(read='ChannelUtilsVer10.readSupportedActions(bb)',
+            write='ChannelUtilsVer10.writeSupportedActions(bb, $name)',
+            default='ImmutableSet.<OFActionType>of()',
+            funnel='ChannelUtilsVer10.putSupportedActionsTo($name, sink)')
 
 generic_t = JType("T")
 
@@ -599,10 +604,7 @@
     elif field_name == 'datapath_id':
         return datapath_id
     elif field_name == 'actions' and obj_name == 'of_features_reply':
-        return JType("Set<OFActionType>") \
-            .op(read='ChannelUtilsVer10.readSupportedActions(bb)',
-                write='ChannelUtilsVer10.writeSupportedActions(bb, $name)',
-                default='ImmutableSet.<OFActionType>of()')
+        return action_type_set
     elif c_type in default_mtype_to_jtype_convert_map:
         return default_mtype_to_jtype_convert_map[c_type]
     elif re.match(r'list\(of_([a-zA-Z_]+)_t\)', c_type):
diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/ver10/ChannelUtilsVer10.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/ver10/ChannelUtilsVer10.java
index 3f2f23f..ed7c0c8 100644
--- a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/ver10/ChannelUtilsVer10.java
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/ver10/ChannelUtilsVer10.java
@@ -5,10 +5,11 @@
 
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.projectfloodlight.openflow.exceptions.OFParseError;
-import org.projectfloodlight.openflow.protocol.match.Match;
-import org.projectfloodlight.openflow.protocol.ver10.OFMatchV1Ver10;
 import org.projectfloodlight.openflow.protocol.OFActionType;
 import org.projectfloodlight.openflow.protocol.OFBsnVportQInQ;
+import org.projectfloodlight.openflow.protocol.match.Match;
+
+import com.google.common.hash.PrimitiveSink;
 
 /**
  * Collection of helper functions for reading and writing into ChannelBuffers
@@ -62,8 +63,7 @@
         return supportedActions;
     }
 
-    public static void writeSupportedActions(ChannelBuffer bb,
-            Set<OFActionType> supportedActions) {
+    public static int supportedActionsToWire(Set<OFActionType> supportedActions) {
         int supportedActionsVal = 0;
         if (supportedActions.contains(OFActionType.OUTPUT))
             supportedActionsVal |= (1 << OFActionTypeSerializerVer10.OUTPUT_VAL);
@@ -89,6 +89,15 @@
             supportedActionsVal |= (1 << OFActionTypeSerializerVer10.SET_TP_DST_VAL);
         if (supportedActions.contains(OFActionType.ENQUEUE))
             supportedActionsVal |= (1 << OFActionTypeSerializerVer10.ENQUEUE_VAL);
-        bb.writeInt(supportedActionsVal);
+        return supportedActionsVal;
     }
+
+    public static void putSupportedActionsTo(Set<OFActionType> supportedActions, PrimitiveSink sink) {
+        sink.putInt(supportedActionsToWire(supportedActions));
+    }
+
+    public static void writeSupportedActions(ChannelBuffer bb, Set<OFActionType> supportedActions) {
+        bb.writeInt(supportedActionsToWire(supportedActions));
+    }
+
 }
diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/DatapathId.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/DatapathId.java
index aa7191a..4d64f83 100644
--- a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/DatapathId.java
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/DatapathId.java
@@ -2,13 +2,15 @@
 
 import org.projectfloodlight.openflow.util.HexString;
 
+import com.google.common.hash.PrimitiveSink;
+
 /**
  * Abstraction of a datapath ID that can be set and/or accessed as either a
  * long value or a colon-separated string.
- * 
+ *
  * @author Rob Vaterlaus <rob.vaterlaus@bigswitch.com>
  */
-public class DatapathId {
+public class DatapathId implements PrimitiveSinkable {
 
     public static final DatapathId NONE = new DatapathId(0);
 
@@ -60,4 +62,9 @@
             return false;
         return true;
     }
+
+    @Override
+    public void putTo(PrimitiveSink sink) {
+        sink.putLong(rawValue);
+    }
 }