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Activity Hierarchy (AHD)

The following table describes how to work with an activity of an AHD, for data modeling after transformation:

Step

Description

P

E

Objects

Considerations

1

Add an activity.

M

D

Intended parent

Scoping an activity automatically brings its parents into the subset with Access protection. Subordinates have the same protection as the scoped activity.

2.

Detail an activity.

M

D

Target activity

 

 

 

 

 

or

 

 

 

M

D

Any activity in the parentage of target activity

 

3.

Perform Process Synthesis on a non-elementary process.

M

D

Process

Process Synthesis can automatically add processes, expected effects, and PADs with stereotypical action diagram statements.

4.

Transfer activity to a different parent.

M

D

Current parent

If you scope on a parent activity with Delete, the parent activity is downgraded to M. However, you still receive Delete on the target activity and its subordinates and will be able to delete them or transfer them to a different parent.

 

 

M

D

Plus new parent

 

5.

Change function to process or process to function

D

D

Parent activity

To remove a PAD, you must first remove all USE statements for the PAD from any PrADS and CABs.

 

 

M

D

Child activity

 

6.

Delete an activity and its subordinates

(No subordinates are elementary processes with PADs USEd in other action diagrams)

D

D

Parent activity

If you scope on a parent activity with Delete, the parent activity is downgraded to M. However, you still receive Delete on the target activity and its subordinates and will be able to delete them or transfer them to a different parent.

7.

Delete an elementary process that has been USEd in other action diagrams.

D

F

Process

To remove a PAD, you must first remove all USE statements for the PAD from any PrADS and CABs.

 

 

M

D

Plus parent process

 

 

 

M

D

Plus USEing CABs

 

 

 

M

D

Plus USEing process action blocks

 

 

 

M

D

Plus USEing procedure step action blocks