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https://issues.apache.org/jira/browse/YOKO-203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matteo Vescovi resolved YOKO-203.
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Resolution: Fixed
Fixed
> IDL union type mapping
> ----------------------
>
> Key: YOKO-203
> URL: https://issues.apache.org/jira/browse/YOKO-203
> Project: Yoko - CORBA Server
> Issue Type: Bug
> Components: Idl2Wsdl
> Affects Versions: v1.0.0
> Reporter: Matteo Vescovi
> Assigned To: Matteo Vescovi
> Priority: Minor
> Fix For: v1.0.0
>
>
> According to the CORBA Binding for WSDL specification document, the mapping
> for IDL unions differs from the CORBA to WSDL/SOAP Interworking Specification
> (formal/03-11-02) in that IDL union maps to a pure xs:choice rather than to a
> discriminated choice. Just as with the any in the previous point, what
> matters to the application is the union value. The discriminator is required
> only in unions in which discriminator values do not correspond to any union
> case members, such that setting the discriminator to one of those values
> means that only the discriminator is sent across the wire. Such cases are
> better handled by nillable XML Schema types.
> However, IDL unions are currently mapped according to the CORBA to WSDL/SOAP
> Interworking Specification (formal/03-11-02).
> Following is an example of the mapping mandated by the CORBA to WSDL/SOAP
> Interworking Specification (formal/03-11-02):
> module Example {
> union myUnion switch (long) {
> case 0: long l;
> case 1: string str;
> case 2:
> case 3: float f;
> default: octet o;
> };
> };
> This union maps onto the following XML schema definition:
> <xsd:complexType name="Example.myUnion">
> <xsd:sequence>
> <xsd:element name="discriminator" type="xsd:int" />
> <xsd:choice>
> <!-- case 0 -->
> <xsd:element name="l" type="xsd:int"
> minOccurs="0" maxOccurs="1" />
> <!-- case 1 -->
> <xsd:element name="str" type="xsd:string"
> nillable="true" minOccurs="0" maxOccurs="1" />
> <!-- case 2, 3 -->
> <xsd:element name="f" type="xsd:float"
> minOccurs="0" maxOccurs="1" />
> <!-- default case -->
> <xsd:element name="o" type="xsd:byte"
> minOccurs="0" maxOccurs="1" />
> </xsd:choice>
> </xsd:sequence>
> </xsd:complexType>
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