[DISCUSSION] Intent Qualifier XSD does not provide extensibility

[Mike Edwards <mike_edwards@uk.ibm.com>]

Folks,

While investigating the question of
second level qualifiers I notice that the XSD for intent qualifiers does
not
provide for any extensibility.

The intent complex type has the usual
<any/> as part of its definition:

        <complexType
name="Intent">
         
      <sequence>
         
              <element
name="description" type="string" minOccurs="0"
         
               
 maxOccurs="1" />
         
              <element
name="qualifier" type="sca:IntentQualifier" 
         
               
 minOccurs="0" maxOccurs="unbounded" />
         
              <any
namespace="##other" processContents="lax" 
         
               
 minOccurs="0" maxOccurs="unbounded"/>
         
      </sequence>
         
      <attribute name="name" type="NCName"
use="required"/>
         
      <attribute name="constrains"
type="sca:listOfQNames" 
         
         use="optional"/>
         
      <attribute name="requires" type="sca:listOfQNames"

         
         use="optional"/>
         
      <attribute name="excludes" type="sca:listOfQNames"

         
         use="optional"/>
         
      <attribute name="mutuallyExclusive"
type="boolean" 
         
         use="optional" default="false"/>
         
      <attribute name="intentType"

         
              type="sca:InteractionOrImplementation"

         
              use="optional"
default="interaction"/>
         
      <anyAttribute namespace="##other"
processContents="lax"/>
        </complexType>

...by contrast, the IntentQualifier
type has no such extension point:

        <complexType
name="IntentQualifier">
         
      <sequence>
         
              <element
name="description" type="string" minOccurs="0"

         
               
 maxOccurs="1" />
         
      </sequence>
         
        <attribute name="name"
type="NCName" use="required"/>
         
        <attribute name="default"
type="boolean" use="optional" 
         
           default="false"/>
        </complexType>

...was this lack of extensibility intended
or is it simply an oversight?

A simple change is to add 

         
              <any
namespace="##other" processContents="lax" 
         
               
 minOccurs="0" maxOccurs="unbounded"/>

at the end of the sequence in the IntentQualifier
definition.


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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