ActRelationship priorityNumber and other sequencing
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|Recommendation for HL7 RIM Change||RECOMMENDATION ID:|
|Submitted by: Gunther Schadow||Revision (# and date): 2|
|Date submitted: 20050212||Committee status: open|
|Submitted by: Gunther Schadow|
|NAME: ActRelationship.priorityNumber (and other numbers)|
REQUIRED - This table should contain one row for each Steward Committee affected by the recommendation.
|TC||RECOMMENDATION APPROVAL STATUS||AFFECTED ENTITIES OF INTEREST TO TC |
(responsibility level: S=Steward; I=Interested)
It is impossible to interpolate a new act-relationship with a different priorityNumber without requiring renumbering of all other relationships in that group.
Currently priorityNumbers is an INT.
Change ActRelationship.priorityNumber to REAL
Allows insertion of acts, reordering of priorities without requiring renumbering all the relationships. Priority numbers are often considered fractional, for example, in XSLT they are real numbers, and it is very useful.
Currently workaround is to assign priorityNumbers in larger increments (e.g., 1000) which should leave enough room for insertions, but that would not represent the intent of priorityNumbers.
May need to revise definition of priorityNumber and sequenceNumber to clarify the meaning and use of either. According to this proposal, sequenceNumber would stay INT
- As long as there isn't a strong use case of "inserting" something with an existing sequence without sending the entire list of things in the sequence, sequenceNumber would have to stay INT IMHO. Suggest that clarifying wording to differentiate the usage of priorityNumber and sequenceNumber be added to this proposal (i.e. to its recommendations, not just as part of the discussion) Rene spronk 01:25, 17 Feb 2006 (CST)
- Agree that sequenceNumber would stay INT. Gunther Schadow
Recommended Action Items
- Implement the proposed solution