Pure CORBA

Java Helper and Holder Types

This section describes the templates that are used by an IDL to Java compiler to generate Java Helper and Holder types from a given user-defined IDL type.

Helper Types

Helper types are provided only for user-defined types. The purpose of a Helper class is to provide miscellaneous, typed Java methods that support the use of the user-defined type.

For each user-defined type, <user_type>, a Helper class, <user_type>Helper, is generated in accordance with the following template:

//Java
// Helper class for non-boxed value types.

abstract public class <user_type>Helper {
    public static void insert(org.omg.CORBA.Any a, <user_type> t) {...}
    public static <user_type> extract(Any a) {...} public static org.omg.CORBA.TypeCode ...