add openflow.types.Metadata
diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/Metadata.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/Metadata.java
new file mode 100644
index 0000000..1d0aea7
--- /dev/null
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/Metadata.java
@@ -0,0 +1,52 @@
+package org.projectfloodlight.openflow.types;
+
+import javax.annotation.concurrent.Immutable;
+
+@Immutable
+public class Metadata {
+ static final int LENGTH = 4;
+ private final int rawValue;
+
+ private Metadata(final int rawValue) {
+ this.rawValue = rawValue;
+ }
+
+ public static Metadata of(final int raw) {
+ return new Metadata(raw);
+ }
+
+ public int getInt() {
+ return rawValue;
+ }
+
+ public int getLength() {
+ return LENGTH;
+ }
+
+ @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;
+ Metadata other = (Metadata) obj;
+ if (rawValue != other.rawValue)
+ return false;
+ return true;
+ }
+
+ @Override
+ public String toString() {
+ return Integer.toString(rawValue);
+ }
+}