# OpenORB 1.3.1: Interface UnionDef

## org.omg.CORBA
Interface UnionDef

All Superinterfaces:
  Contained, ContainedOperations, Container, ContainerOperations, IDLEntity, IDLType, IDLTypeOperations, IRObject, IRObjectOperations, Object, java.io.Serializable, TypedefDef, TypedefDefOperations, UnionDefOperations

All Known Implementing Classes:
  _UnionDefStub

public interface UnionDef
extends UnionDefOperations, TypedefDef, Container, Object, IDLEntity

A UnionDef represents an OMG IDL union definition.

Methods inherited from interface org.omg.CORBA.UnionDefOperations
`discriminator_type_def, discriminator_type_def, discriminator_type, members, members`

Methods inherited from interface org.omg.CORBA.ContainedOperations
`absolute_name, containing_repository, defined_in, describe, id, id, move, name, name, version, version`

Methods inherited from interface org.omg.CORBA.IRObjectOperations
`def_kind, destroy`

Methods inherited from interface org.omg.CORBA.IDLTypeOperations
`type`

Methods inherited from interface org.omg.CORBA.ContainerOperations
`contents, create_abstract_interface, create_alias, create_constant, create_enum, create_exception, create_interface, create_local_interface, create_module, create_native, create_struct, create_union, create_value_box, create_value, describe_contents, lookup_name, lookup`

Methods inherited from interface org.omg.CORBA.Object
`_create_request, _create_request, _duplicate, _get_domain_managers, _get_interface_def, _get_interface, _get_policy, _hash, _is_a, _is_equivalent, _non_existent, _release, _request, _set_policy_override`