java_gen: work in progress commit of java generator
diff --git a/java_gen/pre-written/src/main/java/org/openflow/types/U64.java b/java_gen/pre-written/src/main/java/org/openflow/types/U64.java
new file mode 100644
index 0000000..211c3ea
--- /dev/null
+++ b/java_gen/pre-written/src/main/java/org/openflow/types/U64.java
@@ -0,0 +1,57 @@
+/**
+ * Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior
+ * University
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ **/
+
+package org.openflow.types;
+
+import java.math.BigInteger;
+
+public class U64 {
+ private final static BigInteger TWO_POWER_64 = BigInteger.valueOf(Long.MAX_VALUE).add(
+ BigInteger.valueOf(1));
+
+ private final long raw;
+
+ private U64(final long raw) {
+ this.raw = raw;
+ }
+
+ public static U64 of(final long raw) {
+ return new U64(raw);
+ }
+
+ public long getValue() {
+ return raw;
+ }
+
+ public BigInteger getBigInteger() {
+ return raw >= 0 ? BigInteger.valueOf(raw) : TWO_POWER_64.add(BigInteger
+ .valueOf(raw));
+ }
+
+ @Override
+ public String toString() {
+ return getBigInteger().toString();
+ }
+
+ public static BigInteger f(final long i) {
+ return new BigInteger(Long.toBinaryString(i), 2);
+ }
+
+ public static long t(final BigInteger l) {
+ return l.longValue();
+ }
+}