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Difference between revisions of "Focal Class"

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{{MnM Open Hot Topic}}
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{{MnM Resolved Hot Topic}}
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The '''Focal Class(es)''' refers to the classes undergoing state transition as part of a trigger event. It is possible to have a trigger event that deals with direct state transitions on Role and Entity, though this does not occur when dealing with "Registry" messages (whose state transitions are always on the Registration Act).
  
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During reconciliation of the HDF ballot the issue came up regarding the term Focal Class.
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Note that this is not the same as the '''[[Entry Point]] Class'''- this refers to classes that are marked as entry points.
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As I understand it, at one point a decision was made that all state transitions, as they tied to trigger events, would occur on Acts, not
 
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Roles or Entities (I'll ignore Managed Participation).  The status Code on Roles and Entities would tie to business process, not trigger
 
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events.  Thus, as an example, a nullification of a Patient role would
 
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be communicated on a registration act rather than the role itself.
 
  
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Do people agree with this, or did I understand something that wasn't correct?
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==Follow-up==
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2011-01-12: This will be added to Core Principles.
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It seems this term is used in two ways:
 
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*The entry point to an RMIM
 
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*The class(s) with state changes related to the trigger event.
 
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These are two different things and we should have different terms for them.
 
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==Resolution==
 
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It is possible to have a trigger event that deals with direct state transitions on Role and Entity, though this does not occur when dealing with "Registry" messages (whose state transitions are always on the Registration Act).
 
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Recommendation is to use two terms:
 
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* Focal Class(es) refers to the classes undergoing state transition as part of a trigger event
 
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* Entry Point Class refers to classes that are marked as entry points.
 

Latest revision as of 01:20, 12 January 2011

ResolvedHotTopic.GIF

This page documents a Resolved, but not fully actioned MnM Hot Topic, i.e. a methodology issue requiring a resolution from Modeling and Methodology.

The Focal Class(es) refers to the classes undergoing state transition as part of a trigger event. It is possible to have a trigger event that deals with direct state transitions on Role and Entity, though this does not occur when dealing with "Registry" messages (whose state transitions are always on the Registration Act).

Note that this is not the same as the Entry Point Class- this refers to classes that are marked as entry points.

Follow-up

2011-01-12: This will be added to Core Principles.

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