ISSUE 12: Abstract base type for Service and Reference

[Scott Vorthmann <scottv@tibco.com>]

http://www.osoa.org/jira/browse/ASSEMBLY-12


On Oct 25, 2007, at 7:00 AM, David DiFranco wrote:

> Title: Abstract base type for Service and Reference
>
> TARGET: Assembly spec
>
> DESCRIPTION: The XML schema definitions for Service and Reference  
> contain an identical set of elements, and also share some  
> attributes.  It would be useful to have Service and Reference  
> extend from a common base class.
>
> This would make it easier to deal with Services and References  
> programmatically, when processing an SCA XML file, or working with  
> code generated from the XML schema.
>
> PROPOSAL:
>
> New proposed schema content below.  If someone can think of a  
> better name for the base type than “Bindable”, please suggest.
>
>
>
> <complexType name="Bindable" abstract="true">
>     <sequence>
>         <element ref="sca:interface" minOccurs="0" maxOccurs="1" />
>         <element name="operation" type="sca:Operation"  
> minOccurs="0" maxOccurs="unbounded" />
>         <choice minOccurs="0" maxOccurs="unbounded">
>             <element ref="sca:binding" />
>             <any namespace="##other" processContents="lax"  
> minOccurs="0" maxOccurs="unbounded" />
>         </choice>
>         <element ref="sca:callback" minOccurs="0" maxOccurs="1" />
>         <any namespace="##other" processContents="lax"  
> minOccurs="0" maxOccurs="unbounded" />
>     </sequence>
>     <attribute name="name" type="NCName" use="required" />
>     <attribute name="requires" type="sca:listOfQNames"  
> use="optional" />
>     <attribute name="policySets" type="sca:listOfQNames"  
> use="optional"/>
>     <anyAttribute namespace="##any" processContents="lax" />
> </complexType>
>
> <complexType name="Service">
>     <complexContent>
>         <extension base="sca:Bindable">
>             <attribute name="promote" type="anyURI" use="required" />
>         </extension>
>     </complexContent>
> </complexType>
>
> <complexType name="Reference">
>     <complexContent>
>         <extension base="sca:Bindable">
>             <attribute name="target" type="sca:listOfAnyURIs"  
> use="optional"/>
>             <attribute name="wiredByImpl" type="boolean"  
> use="optional" default="false"/>
>             <attribute name="multiplicity" type="sca:Multiplicity"  
> use="optional" default="1..1" />
>             <attribute name="promote" type="sca:listOfAnyURIs"  
> use="required" />
>         </extension>
>     </complexContent>
> </complexType>
>
>
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