[bpel4people] New Issue: Common Base Type for tQuery and tExpression

[Dieter Koenig1 <dieterkoenig@de.ibm.com>]

Target: ws-humantask.xsd

Description: The XML Schema type
definitions for “tQuery” and “tExpression” both contain element and
attribute wildcards for their open content and extensibility. Both can
not carry a documentation element. 

Proposal: In ws-humantask.xsd,
let both types extend the common extension base “tExtensibleMixedContentElements”
in order to allow for documentation child elements. As that base type already
has the element and attribute wildcards, the definition of the two types
can be simplified as shown below:

  <xsd:complexType
name="tQuery"
mixed="true">
    <xsd:complexContent>
      <xsd:extension
base="tExtensibleMixedContentElements">
        <xsd:attribute
name="part"
/>
        <xsd:attribute
name="queryLanguage"
type="xsd:anyURI"
/>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

  <xsd:complexType
name="tExpression"
mixed="true">
    <xsd:complexContent>
      <xsd:extension
base="tExtensibleMixedContentElements">
        <xsd:attribute
name="expressionLanguage"
type="xsd:anyURI"
/>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>

Kind Regards

Dieter König

Senior Technical Staff Member,
WebSphere Process Server Architect
IBM Software Group, Application
and Integration Middleware Software
WSS Business Process Solutions

Phone:	+49-7031-16-3426	IBM Deutschland
E-Mail:	dieterkoenig@de.ibm.com	Schönaicher Str. 220
		71032 Böblingen
		Germany
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