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Consistency of WSDL Component property names

From: John Kaputin <KAPUTIN@uk.ibm.com>
Date: Tue, 08 Feb 2005 23:59:10 +0000
To: www-ws-desc@w3.org
Message-ID: <OF18C8DD4C.A4CF94B2-ON80256FA2.007E7E9F-80256FA2.0083B46F@uk.ibm.com>

I'd like to suggest some improvements in the consistency of property names
in the Component Model (WSDL 2.0 Part 1 spec, Section 2 Component Model)

ElementDeclaration is referred to by properties in various components:

Description has property {element declarations}  - a set of
InterfaceFault has property {element}                  - an
MessageReference has property {element}         - an ElementDeclaration

For clarity, could same name be used for properties that refer to the same
type of component (with adjustments for plural or singular):
Description {elements}
InterfaceFault {element}
MessageReference {element}


There is a similar inconsistency with the names of fault properties:

Interface {faults} - a set of InterfaceFault
InterfaceOperation {fault references} - a set of FaultReference
FaultReference {fault reference} - an InterfaceFault
BindingFault {fault reference} - an InterfaceFault

The use of {fault references} for InterfaceOperation makes sense, but its
use in FaultReference and BindingFault is confusing. For example, a
FaultReference {fault reference} refers to an InterfaceFault that must be a
member of the parent Interface {faults} so why not use the same property
name for both?

In this example, the {fault reference} property in FaultReference and
BindingFault could be simply {fault}, thus:
FaultReference {fault} - an InterfaceFault
BindingFault {fault} - an InterfaceFault


Perhaps property names could be made not only consistent but more
descriptive by basing them on the name of the Component they refer to. This
would facilitate the creation of APIs based closely on the WSDL Component
Model that are more descriptive (eg: the getter/setter methods for


Description {element declarations} - a set of ElementDeclaration
InterfaceFault {element declaration} - an ElementDeclaration
MessageReference {element declaration} - an ElementDeclaration


Interface {interface faults} - a set of InterfaceFault
InterfaceOperation {fault references} - a set of FaultReference
FaultReference {interface fault} - an InterfaceFault
BindingFault {interface fault} - an InterfaceFault

This would also clarify the use of operations and faults across Interfaces
and Bindings:

Interface {fault} - an InterfaceFault
Binding {fault} - a BindingFault

could become...

Interface {interface fault} - an InterfaceFault
Binding {binding fault} - a BindingFault


Interface {operations} - a set of InterfaceOperation
Binding {operations} - a set of BindingOperation

could become...

Interface {interface operations} - a set of InterfaceOperation
Binding {binding operations} - a set of BindingOperation

John Kaputin
Hursley Laboratory
Received on Thursday, 10 February 2005 13:04:03 UTC

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