Issue 2877:   Section 5-54 of Meta Object Facility (MOF) Specification (mof-rtf)
Source:  (, )
Nature:  Uncategorized Issue
Severity: 
Summary: Summary: The Class Proxy template specifies that the types of
 all_of_type_<class_name> and all_of_class_<class_name> are to
 be <ClassName>Set. Yet Section B the MOF interfaces are defined to use
 <ClassName>UList for the types of all_of_type and all_of_class.
 Which return type is correct?
 

Resolution: 
Revised Text: For each subsection 3.4.x that describes a class in the MOF Model, 
change the IDL as follows: 

  readonly attibute <ClassName>UList all_of_type_tag; 
  readonly attibute <ClassName>UList all_of_class_tag; 

becomes 

  readonly attibute <ClassName>Set all_of_type_tag; 
  readonly attibute <ClassName>Set all_of_class_tag; 

Make the same change throughout Appendix B.1 


Actions taken:
August 31, 1999: received issue
December 3, 2001: closed issue
Discussion: 
The template is correct, and the class proxy IDL in Section 3.4.* and  Appendix B is incorrect.  The spec says that there is no meaningful ordering on the "all_of_*" collections.  Therefore the IDL should use the typedef for sets rather than those for unique lists / ordered sets. 
Note: this doesn't change the effective signature of the interfaces in question because <ClassName>UList and <ClassName>Set are both aliases for "sequence < <ClassName> >". 


End of Annotations:=====
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Date: Tue, 31 Aug 1999 17:58:07 -0700
To: mof-rtf@omg.org
From: Patrick A Simpson <psimpson@objectrad.com>
Subject: Section 5-54 of Meta Object Facility (MOF) Specification
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The Class Proxy template specifies that the types of
all_of_type_<class_name> and all_of_class_<class_name> are to
be <ClassName>Set. Yet Section B the MOF interfaces are defined to use
<ClassName>UList for the types of all_of_type and all_of_class.
Which return type is correct?

Patrick A Simpson
Object Radiance Inc.
psimpson@objectrad.com

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To: Patrick A Simpson <psimpson@objectrad.com>
cc: mof-rtf@omg.org, crawley@dstc.edu.au
Subject: Re: Section 5-54 of Meta Object Facility (MOF) Specification
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Date: Wed, 01 Sep 1999 11:27:53 +1000
From: Stephen Crawley <crawley@dstc.edu.au>
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> The Class Proxy template specifies that the types of
> all_of_type_<class_name> and all_of_class_<class_name> are to
> be <ClassName>Set. Yet Section B the MOF interfaces are defined to
> use
> <ClassName>UList for the types of all_of_type and all_of_class.
> Which return type is correct?

Patrick,

I think that the type should be "<ClassName>Set".  These collections
are not defined in the spec to have an implicit ordering.

-- Steve



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Subject: Re: 2877: Section 5-54 of Meta Object Facility (MOF)
Specification
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Date: Wed, 13 Jun 2001 12:30:57 +1000
From: Stephen Crawley <crawley@dstc.edu.au>
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> Nature: Uncategorized Issue
> Severity:
> Summary: The Class Proxy template specifies that the types of 
> all_of_type_<classname> and all_of_class_<classname> are to be 
> <ClassName>Set. Yet Section B the MOF interfaces are defined to 
> use <ClassName>UList for the types of all_of_type and all_of_class.
> Which return type is correct?

Proposed Resolution:

The template is correct, and the class proxy IDL in Section 3.4.* and 
Appendix B is incorrect.  The spec says that there is no meaningful
ordering on the "all_of_*" collections, so they should use the
typedefs
for sets rather than those for unique lists / ordered sets.

Note that this doesn't change the effective signature of the
interfaces
in question because <ClassName>UList and <ClassName>Set are both
aliases
for "sequence < <ClassName> >".

Proposed Revised Text:

For each subsection 3.4.x that describes a class in the MOF Model,
change the IDL as follows:

  readonly attibute <ClassName>UList all_of_type_tag;
  readonly attibute <ClassName>UList all_of_class_tag;

becomes

  readonly attibute <ClassName>Set all_of_type_tag;
  readonly attibute <ClassName>Set all_of_class_tag;

Make the same change throughout Appendix B.1

-- Steve