RE: [wsbpel] Issue 200 - Proposal For Vote

[Dieter Koenig1 <dieterkoenig@de.ibm.com>]

I agree, sequence is another case that must be considered.
How about using the control dependency relationship here:

"If, during the performance of structured activity S,
the semantics of S dictate that activity X nested within S
will not be performed as part of the behavior of S,
the status of all outgoing links from X is set to negative.
>>>
   This step is performed after all activities A have
   completed where X has a control dependency on A.
<<<
An example is an activity within a branch that is not taken
in a switch activity..."

Kind Regards
DK



                                                                           
             "Satish Thatte"                                               
             <satisht@microsof                                             
             t.com>                                                     To 
                                       "Assaf Arkin" <arkin@intalio.com>,  
             26.04.2005 07:22          "Trickovic, Ivana"                  
                                       <ivana.trickovic@sap.com>           
                                                                        cc 
                                       <wsbpel@lists.oasis-open.org>,      
                                       "Dumas, Marlon"                     
                                       <marlon.dumas@sap.com>              
                                                                   Subject 
                                       RE: [wsbpel] Issue 200 - Proposal   
                                       For Vote                            
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           
                                                                           




This might not take care of all the wierd cases.  Suppose X is part of a
sequence that is in an else branch that will not be taken, but there is a
link that comes into an activity that precedes X in the sequence.  Isn't
that also a similar example?

________________________________

From: Assaf Arkin [mailto:arkin@intalio.com]
Sent: Mon 4/25/2005 4:58 PM
To: Trickovic, Ivana
Cc: wsbpel@lists.oasis-open.org; Dumas, Marlon
Subject: Re: [wsbpel] Issue 200 - Proposal For Vote



+1

Assaf

Trickovic, Ivana wrote:

>I am resending Marlon's proposal:
>
>Replace the following paragraph in section 12.5.1 (Link Semantics) "If,
>during the performance of structured activity S, the semantics of S
>dictate
>that activity X nested within S will not be performed as part of the
>behavior of S, then the status of all outgoing links from X is set to
>negative. An example is an activity within a branch that is not taken in
>a
>switch activity..."
>
>With the following one:
>"If, during the performance of structured activity S, the semantics of S
>dictate that activity X nested within S will not be performed as part of
>the behavior of S, then after all the incoming control links to X are
>determined, the status of all outgoing links from X is set to negative.
>An
>example is an activity within a branch that is not taken in a switch
>activity..."
>
>
>Kind regards,
>
>Ivana
>
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