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Subject: Re: [ebxml-bp] [ebBP] 10/22/2004: Editors' Update and Reminder aboutTeam Call Today 8 a.m. PDT
Monica,
Here's what I've been working on the variable content model and aligning
it to roles.
This is essential for multi-party collaborations - and in trying just a
really plain
variable mechanism - it is not enough to support a basic implementation.
So we've added a couple more concepts - not much - to what's there
already - but
that buys much more flexibility and gets us out from under the rock of
having to
pick an expression language - with a really neat and simple referencing use
of xs:IDs. People can use XSD, XPath, XSLT, RELAX or CAM as they need.
Below is a sample instance of variables for an automotive scenario, and
attached is the XSD just for this part.
The critical thing is having enough function to support actual
implementation
without making a burden to use.
I'm in the middle of documenting this all in Word doc too - just been really
hard getting this done and all project and other distractions this week.
We can discuss on the call.
Thanks, DW
==========================================
<Variables>
<variableGroup name="default" nameIDREF="default01">
<!-- the first variableGroup instance is automatically the default group
that applies to all roles and partners.-->
<Variable name="myvar1" definitionID="mydefn1" default="any"/>
<Variable name="myvar2" definitionID="mydefn2"/>
<Variable name="myvar3" definitionID="mydefn3"/>
</variableGroup>
<variableGroup name="for-GM-only" nameIDREF="gm01">
<!-- subsequent variableGroup are referenced by name from ExternalRoles
for specific participants / roles -->
<Variable name="myvar1" definitionID="mydefn1" default="GM"/>
<Variable name="myvar2" definitionID="mydefn2"/>
<Variable name="myvar3" definitionID="mydefn3"/>
<Variable name="gmvar1" definitionID="gmdefn1" default="Detroit"/>
<Variable name="gmvar2" definitionID="mydefn4" default="Chevrolette"/>
</variableGroup>
<definitionSection>
<!-- note - this could be referenced using an include also -->
<definition definitionID="mydefn1" label="Value 1:" default="one">
<detail expressionLanguage="XSD" returns="string">
<!-- target syntax goes here -->
</detail>
<detail expressionLanguage="RELAX" returns="string">
<!-- target syntax goes here -->
</detail>
<detail expressionLanguage="XSLT" returns="string">
<!-- target syntax goes here -->
</detail>
<detail expressionLanguage="CAM" returns="string">
<!-- target syntax goes here -->
</detail>
</definition>
<definition definitionID="mydefn2" label="Value 2:" default="true"
documentRef="purchaseOrder">
<detail expressionLanguage="XPath" returns="boolean">
<!-- target syntax goes here -->
</detail>
<detail expressionLanguage="XSLT" returns="boolean">
<!-- target syntax goes here -->
</detail>
<detail expressionLanguage="CAM" returns="boolean">
<!-- target syntax goes here -->
</detail>
</definition>
</definitionSection>
</Variables>
<Variables>
<variableGroup name="default" nameIDREF="default01">
<!-- the first variableGroup instance is automatically the default group
that applies to all roles and partners.-->
<Variable name="myvar1" definitionID="mydefn1" default="any"/>
<Variable name="myvar2" definitionID="mydefn2"/>
<Variable name="myvar3" definitionID="mydefn3"/>
</variableGroup>
<variableGroup name="for-GM-only" nameIDREF="gm01">
<!-- subsequent variableGroup are referenced by name from ExternalRoles
for specific participants / roles -->
<Variable name="myvar1" definitionID="mydefn1" default="GM"/>
<Variable name="myvar2" definitionID="mydefn2"/>
<Variable name="myvar3" definitionID="mydefn3"/>
<Variable name="gmvar1" definitionID="gmdefn1" default="Detroit"/>
<Variable name="gmvar2" definitionID="mydefn4" default="Chevrolette"/>
</variableGroup>
<definitionSection>
<!-- note - this could be referenced using an include also -->
<definition definitionID="mydefn1" label="Value 1:" default="one">
<detail expressionLanguage="XSD" returns="string">
<!-- target syntax goes here -->
</detail>
<detail expressionLanguage="RELAX" returns="string">
<!-- target syntax goes here -->
</detail>
<detail expressionLanguage="XSLT" returns="string">
<!-- target syntax goes here -->
</detail>
<detail expressionLanguage="CAM" returns="string">
<!-- target syntax goes here -->
</detail>
</definition>
<definition definitionID="mydefn2" label="Value 2:" default="true" documentRef="purchaseOrder">
<detail expressionLanguage="XPath" returns="boolean">
<!-- target syntax goes here -->
</detail>
<detail expressionLanguage="XSLT" returns="boolean">
<!-- target syntax goes here -->
</detail>
<detail expressionLanguage="CAM" returns="boolean">
<!-- target syntax goes here -->
</detail>
</definition>
</definitionSection>
</Variables>
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"; elementFormDefault="qualified">
<xs:element name="Variables">
<xs:complexType>
<xs:sequence>
<xs:element name="variableGroup" maxOccurs="unbounded">
<xs:complexType>
<xs:sequence>
<xs:element name="Variable" maxOccurs="unbounded">
<xs:complexType>
<xs:attribute name="name" use="required" type="xs:string"/>
<xs:attribute name="definitionID" use="required" type="xs:ID"/>
<xs:attribute name="default" use="optional" type="xs:string"/>
</xs:complexType>
</xs:element>
</xs:sequence>
<xs:attribute name="name" use="required" type="xs:string"/>
<xs:attribute name="nameIDREF" use="required" type="xs:ID"/>
</xs:complexType>
</xs:element>
<xs:element name="definitionSection">
<xs:complexType>
<xs:sequence>
<xs:element name="definition" maxOccurs="unbounded">
<xs:complexType mixed="true">
<xs:sequence>
<xs:element name="detail" maxOccurs="unbounded">
<xs:complexType>
<xs:choice>
<xs:any namespace="##any" processContents="lax"/>
</xs:choice>
<xs:attribute name="expressionLanguage" use="required">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="CAM"/>
<xs:enumeration value="RELAX"/>
<xs:enumeration value="XPath"/>
<xs:enumeration value="XSD"/>
<xs:enumeration value="XSLT"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
<xs:attribute name="returns" use="required">
<xs:simpleType>
<xs:restriction base="xs:NMTOKEN">
<xs:enumeration value="xs:boolean"/>
<xs:enumeration value="xs:string"/>
<xs:enumeration value="xs:datetime"/>
<xs:enumeration value="xs:integer"/>
<xs:enumeration value="xs:decimal"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:complexType>
</xs:element>
</xs:sequence>
<xs:attribute name="definitionID" use="required" type="xs:ID"/>
<xs:attribute name="label" type="xs:string" use="required"/>
<xs:attribute name="default" use="optional" type="xs:string"/>
<xs:attribute name="documentRef" type="xs:string"/>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
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