diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/OFBufferId.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/OFBufferId.java
new file mode 100644
index 0000000..2689f93
--- /dev/null
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/OFBufferId.java
@@ -0,0 +1,67 @@
+package org.projectfloodlight.openflow.types;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.projectfloodlight.openflow.annotations.Immutable;
+import org.projectfloodlight.openflow.exceptions.OFParseError;
+
+/**
+ * Abstraction of a buffer id in OpenFlow. Immutable.
+ *
+ * @author Rob Vaterlaus <rob.vaterlaus@bigswitch.com>
+ */
+@Immutable
+public class OFBufferId {
+
+    public static final OFBufferId NO_BUFFER = new OFBufferId(0xFFFFFFFF);
+
+    private final int rawValue;
+
+    private OFBufferId(int rawValue) {
+        this.rawValue = rawValue;
+    }
+
+    public static OFBufferId of(final int rawValue) {
+        if (rawValue == NO_BUFFER.getInt())
+            return NO_BUFFER;
+        return new OFBufferId(rawValue);
+    }
+
+    public int getInt() {
+        return rawValue;
+    }
+
+    @Override
+    public String toString() {
+        return Long.toString(U32.f(rawValue));
+    }
+
+    public void write4Bytes(ChannelBuffer c) {
+        c.writeInt(this.rawValue);
+    }
+
+    public static OFBufferId read4Bytes(ChannelBuffer c) throws OFParseError {
+        return OFBufferId.of((int)(c.readUnsignedInt() & 0xFFFFFFFF));
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + rawValue;
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        OFBufferId other = (OFBufferId) obj;
+        if (rawValue != other.rawValue)
+            return false;
+        return true;
+    }
+}