diff --git a/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortNumber.java b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortNumber.java
new file mode 100644
index 0000000..9c57b5d
--- /dev/null
+++ b/ovsdb/api/src/main/java/org/onosproject/ovsdb/controller/OvsdbPortNumber.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.onosproject.ovsdb.controller;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+import java.util.Objects;
+
+/**
+ * The class representing a port number. This class is immutable.
+ */
+public final class OvsdbPortNumber {
+
+    private final long value;
+
+    /**
+     * Constructor from a long port number.
+     *
+     * @param value the port number to use
+     */
+    public OvsdbPortNumber(long value) {
+        this.value = value;
+    }
+
+    /**
+     * Gets the value of the port number.
+     *
+     * @return the value of the port number
+     */
+    public long value() {
+        return value;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(value);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof OvsdbPortNumber) {
+            final OvsdbPortNumber ovsdbPortNumber = (OvsdbPortNumber) obj;
+            return Objects.equals(this.value, ovsdbPortNumber.value);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this).add("value", value).toString();
+    }
+}