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Subject: Issue - 249 - Proposal For Vote


Title: Re: [wsbpel] Issue - 249 - Can multi-start with correlations use implicit correlation?
In today's call, I said that I would look into this issue.  The results of
my research are below.

The current draft of the spec (1.157) has the text from Dieter's note
(extracted below) already in it at lines 3491-4.  It appears that this
issue is already edited into the spec.  In addition, SA00059 in the draft
appendix already refers the the "new" language.   I have no recollection of
whether we actually voted on it.

Danny

"If a process has multiple start activities with correlation sets then all
such activities MUST share at least one common correlationSet and all
common correlationSets defined on all the activities MUST have the value of
the initiate attribute be set to "join" (see section 9. Correlation). "


So my research shows that I have already researched this ;-)  The results above indicate that the spec already reflects the change that both Dieter and I agree to in this mail thread.  I propose that for the (unclear) record, we adopt the language that is already in the accepted spec, which we've voted on, excerpted above.



Dieter Koenig1 wrote:

AFAIK, this text went into the spec during our small editing team review of
chapter 10 (which has been adopted by the TC).

So the question would probably be whether it should become an issue (open,
close, apply, etc.), just for the records.

Kind Regards
DK
                                                                                                                        
 Dieter König                                Mail: dieterkoenig@de.ibm.com         IBM Deutschland Entwicklung GmbH     
                                                                                                                        
 Senior Technical Staff Member               Tel (office): (+49) 7031-16-3426      Schönaicher Strasse 220              
                                                                                                                        
 Architect, Business Process Choreographer   Fax (office): (+49) 7031-16-4890      71032 Böblingen                      
                                                                                                                        
 Member, Technical Expert Council            Tel (home office): (+49) 7032-201464  Germany                              
                                                                                                                        





                                                                          
             Danny van der                                                
             Rijn                                                         
             <dannyv@tibco.com                                          To
             >                         Dieter Koenig1/Germany/IBM@IBMDE   
                                                                        cc
             31.05.2006 20:20          wsbpel@lists.oasis-open.org        
                                                                   Subject
                                       Re: [wsbpel] Issue - 249 - Can     
                                       multi-start with correlations use  
                                       implicit correlation?              
                                                                          
                                                                          
                                                                          
                                                                          
                                                                          
                                                                          




In today's call, I said that I would look into this issue.  The results of
my research are below.

The current draft of the spec (1.157) has the text from Dieter's note
(extracted below) already in it at lines 3491-4.  It appears that this
issue is already edited into the spec.  In addition, SA00059 in the draft
appendix already refers the the "new" language.   I have no recollection of
whether we actually voted on it.

Danny

"If a process has multiple start activities with correlation sets then all
such activities MUST share at least one common correlationSet and all
common correlationSets defined on all the activities MUST have the value of
the initiate attribute be set to "join" (see section 9. Correlation). "

Dieter Koenig1 wrote:


      +1 (the example must not be rejected). The current wording for start
      activities which requires that "all such activities MUST share at
      least one
      common correlationSet" needs to be aligned with the fact that
      correlation
      sets are always optional.

      In addition, when (portable) WS-BPEL correlation sets are used
      concurrently
      with other (non-portable) correlation mechanisms then an explicit
      statement
      should be made that in case of conflicts WS-BPEL correlation sets
      take
      precedence over other correlation mechanisms. With that, the
      statement
      should be modified in the following way:
      If a process has multiple start activities with correlation sets then
      all
      such activities MUST share at least one common correlationSet and all
      common correlationSets defined on all the activities MUST have the
      value of
      the initiate attribute be set to "join".

      Kind Regards
      DK

       Dieter König                                Mail:
      dieterkoenig@de.ibm.com         IBM Deutschland Entwicklung GmbH

       Senior Technical Staff Member               Tel (office): (+49)
      7031-16-3426      Schönaicher Strasse 220

       Architect, Business Process Choreographer   Fax (office): (+49)
      7031-16-4890      71032 Böblingen

       Member, Technical Expert Council            Tel (home office): (+49)
      7032-201464  Germany







                   ws-bpel issues

                   list editor

                   <peter.furniss@ch
      To
                   oreology.com>             wsbpel@lists.oasis-open.org

      cc
                   21.03.2006 21:47


      Subject
                                             [wsbpel] Issue - 249 - Can

                   Please respond to         multi-start with correlations
      use
                   wsbpel@lists.oasi         implicit correlation?

                      s-open.org










      This issue has been added to the wsbpel issue list with a status of
      "received". The status will be changed to "open" if a motion to open
      the
      issue is proposed and that motion is approved by the TC. A motion
      could
      also be proposed to close it without further consideration. Otherwise
      it
      will remain as "received".


      The issues list is posted as a Technical Committee document to the
      OASIS
      WSBPEL TC pages on a regular basis. The current edition, as a TC
      document,
      is the most recent version of the document entitled in the "Issues"
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      will
      include this issue. The list editor's working copy, which will
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      include an issue when it is announced, is available at this constant
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      Issue - 249 - Can multi-start with correlations use implicit
      correlation?


      Status: received
      Date added: 21 Mar 2006
      Categories: correlation
      Date submitted: 21 March 2006
      Submitter: Danny van der Rijn
      Description: Currently: If more than one start activity is enabled
      concurrently, then all such activities MUST share at least one common
      correlationSet (see Correlation and the Multiple Start Activities
      example).


      If a process contains exactly one start activity then the use of
      correlationSets is unconstrained.


      Scenario:

      <flow>
          <receive createInstance="yes"/>
          <receive createInstance="yes"/>
      </flow>



      This is legal, and uses implicit correlation. Adding unrelated
      correlations
      to it:

      <flow>
          <receive createInstance="yes">
             <correlation set ="foo" initiate="yes"/>
          </receive>





          <receive createInstance="yes">
             <correlation set ="bar" initiate="yes"/>
          </receive>
      </flow>



      Is illegal according to the current text. IMO this is inconsistent
      with our
      previous resolutions.
      Changes: 21 Mar 2006 - new issue



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