IDL 4.2 RTF Avatar
  1. OMG Issue

IDL42 — Missing and inconsistently named annotations

  • Key: IDL42-3
  • Status: closed  
  • Source: Real-Time Innovations ( Dr. Gerardo Pardo-Castellote, Ph.D.)
  • Summary:

    Extensibility Annotation

    Section defines the @extensibility annotation as follows:

    @annotation extensibility {
        enum ExtensibilityKind {
        ExtensibililtyKind value;

    However, section 7.2.3 of DDS-XTYPES specifies that the types of extensibility and mutability are the following:

    • FINAL

    For consistency, the IDL specification should use "APPENDABLE" instead of "APPEND".

    Shortcut Annotations

    In Section 8.3.1 the IDL specification defines the annotations @final as a shorcut for @extensibility(FINAL) (Section and @mutable as a shortcut for and @extensibility(MUTABLE) (Section

    For consistency, the IDL specification should introduce @appendable as a shortcut for @extensibility(APPENDABLE).

    Default Literal Annotation

    DDS-XTYPES Section (Default Literal for Enumeration) defines the annotation @default_literal as:

    @annotation default_literal {};

    This is a general purpose annotation that marks an element of an enumeration as the default one for that enumeration.

    For consistency with similar generic annotations it should be added to IDL section 8.3.2 (Group of Annotations Data Modeling)

  • Reported: IDL 4.1 — Wed, 26 Jul 2017 15:39 GMT
  • Disposition: Resolved — IDL 4.2
  • Disposition Summary:

    Modify annotations as suggested in issue description

    Perform the suggested modifications

  • Updated: Tue, 19 Dec 2017 20:04 GMT