--- /dev/null
+package org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925;
+
+
+/**
+ * The purpose of generated class in src/main/java for Union types is to create new instances of unions from a string representation.
+ * In some cases it is very difficult to automate it since there can be unions such as (uint32 - uint16), or (string - uint32).
+ *
+ * The reason behind putting it under src/main/java is:
+ * This class is generated in form of a stub and needs to be finished by the user. This class is generated only once to prevent
+ * loss of user code.
+ *
+ */
+public class PortNumberUniBuilder {
+
+ public static PortNumberUni getDefaultInstance(java.lang.String defaultValue) {
+ try {
+ long uint32 = Long.parseLong(defaultValue);
+ return new PortNumberUni(uint32);
+ } catch(NumberFormatException e){
+ return new PortNumberUni(defaultValue);
+ }
+ }
+
+}