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Subject: [ISSUE 51] Composite Completeness - Updated proposal


Following on from the discussion at the Assembly TC meeting earlier this week, here is an updated Proposal to resolve Issue 51:

All line numbers here refer to sca-assembly-1.1-spec-cd01-rev2.doc

Replace lines 1948 - 1960 with the following text

A composite used as a component implementation must also honor a completeness contract. The services, references and properties of the composite form a contract (represented by the component type of the composite) which is relied upon by the using component.  The concept of completeness of the composite implies:

1. For a composite used as a component implementation, each composite service offered by the composite MUST promote a component service of a component that is within the composite.

2. For a composite used as a component implementation, every component reference of components within the composite with a multiplicity of 1..1 or 1..n MUST be wired or promoted (according to the various rules for specifying target services for a component reference described in section 5.3.1).

3. For a composite used as a component implementation,  all properties of components within the composite, where the underlying component implementation specifies "mustSupply=true" for the property, MUST either specify a value for the property or source the value from a composite property.
The component type of a composite is defined by the set of composite service elements, composite reference elements and composite property elements that are the children of the composite element.

Yours,  Mike.

Strategist - Emerging Technologies, SCA & SDO.
Co Chair OASIS SCA Assembly TC.
IBM Hursley Park, Mail Point 146, Winchester, SO21 2JN, Great Britain.
Phone & FAX: +44-1962-818014    Mobile: +44-7802-467431  
Email:  mike_edwards@uk.ibm.com

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