[NEW ISSUE] Need to add Capability to indicate that a PartnerLink should beignored when introspecting the ComponentType of a BPEL Process

Raiser:        
               Mike
Edwards

Target:        
               sca-bpel-1.1-spec-cd02.doc

Description:

Currently, any declaration of a partnerLink
within a BPEL process results in a <service/> or a <reference/>
appearing in the componentType of the

BPEL process.

This is not desirable in all circumstances:

- it may be that a BPEL process is written
with an inner loop, where the inner loop is implemented as a nested <scope/>.
 In this inner loop, it may

be that a partnerLink is declared within
the nested scope and used purely as a "local variable" within
the loop, for example where it is a reference 

and the reference target/EPR is assigned
to it from the contents of a variable held in an outer scope.

In these circumstances, the partnerLink
in the inner loop is shadowing a partnerLink in the outer scope - logically
it represents the same partnerLink

reference as the partnerLink in the
outer scope.

At present, SCA cannot handle a situation
such as this - the inner partnerLink is introspected as a <reference/>
and so is the outer partnerLink - this

means 2 references appear when only
one is called for.

To change this, it is necessary to provide
a capability for the writer of a BPEL process to indicate that a given
partnerLink should NOT be used

to introspect a <service/> or
a <reference/> in the componentType.

Proposal:

Add a new SCA BPEL extension attribute
that can be used to annotate a <partnerLink/> element.

@skip

boolean - default value is false

When @skip="true", the <partnerLink/>
element is ignored when introspecting  the compoenntType of the BPEL
Process.

The changes are shown in this marked
up version of CD02, where the changes are in Section 3.3 and Appendix A.

Yours,  Mike.

Strategist - Emerging Technologies, SCA & SDO.

Co Chair OASIS SCA Assembly TC.

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sca-bpel-1.1-spec-cd02+skip_proposal.doc